{"title":"Askar Sharpstar","description":"\u003cp\u003eHorizon Astronomy is an Authorised ASKAR SARPSTAR Retailer for Europe. If you are looking for a specific Askar Sharpstar product not listed below please \u003ca href=\"https:\/\/www.horizonastronomy.ie\/pages\/contact-us\" rel=\"noopener\" target=\"_blank\"\u003econtact us here\u003c\/a\u003e - and we would be happy to help you.\u003c\/p\u003e","products":[{"product_id":"askar-fra400-72-apo-quintuplet","title":"Askar FRA400 - 72 APO (Quintuplet)","description":"\u003cp\u003e\u003cstrong\u003eAskar is the new line of specialised telescopes for astrophotography with particular emphasis on optical and also mechanical quality.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Anotation 'FRA' represents refractor telescopes with an integrated corrector element for a flat and corrected field of view. The FRA series is mainly used for astrophotography.\u003cbr data-mce-fragment=\"1\"\u003eThe ASKAR FRA400 is a Petzval 5-element Apochromat with 400mm focal length, f\/5.6 focal ratio and 72mm aperture. 2 ED glasses are installed in the front lens for improved colour correction. This APO is also suitable for cameras up to full frame sized sensors.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe dew cap also provides good protection against stray light and is retractable. The large focuser also holds heavy cameras and allows for precise focusing thanks to the microfocus adjustment wheel. A 2\", 1.25\" and an M68x1 thread are available for additional connections. Also included with this telescope is an adapter up to M48 x 0.75, which is ideal for all cameras with a standard 55mm working distance. \u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cem\u003eNote: To access the female M48 thread for 2\" filters, unscrew the adapter.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture: 72mm\u003c\/li\u003e\n\u003cli\u003eFocal length: 400mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/5.6\u003c\/li\u003e\n\u003cli\u003eTelescopic type: 5-Element Quintuplet Apo with 2-Element ED Lens\u003c\/li\u003e\n\u003cli\u003eTransport length: 317 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 2.56 kg\u003c\/li\u003e\n\u003cli\u003eConnection camera side: M68x1 male thread, 2\" and 1.25\" receptacle\u003c\/li\u003e\n\u003cli\u003eFilter thread: 2\" filter thread (M48x0.75) is integrated in the camera adapter (accessible after unscrewing the adapter)\u003c\/li\u003e\n\u003cli\u003ePhoto adapter: M68x1 female thread - M48x0.75 male thread - length 63.5mm\u003c\/li\u003e\n\u003cli\u003eHoles in pipe clamps: M6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-element quintuplet design with corrector\u003c\/li\u003e\n\u003cli\u003eTwo ED lens's for very good correction of color\u003c\/li\u003e\n\u003cli\u003e44mm image circle with full illumination and correction\u003c\/li\u003e\n\u003cli\u003eWorking distance for visual observation or focal length reduction\u003c\/li\u003e\n\u003cli\u003eStable 3\" RAP focuser with micro reduction gear and 360° rotation\u003c\/li\u003e\n\u003cli\u003e2\" and 1.25\" connector as well as M68x1 male thread for screw on adaptions\u003c\/li\u003e\n\u003cli\u003eLong adapter from M68 to M48x0.75 Camera connection with 2\" filter thread (accessible after unscrewing the adapter)\u003c\/li\u003e\n\u003cli\u003eFlexible GP\/EQ5 level dovetail bar with photo tripod connection and carrying handle with flexible slotted hole\u003c\/li\u003e\n\u003cli\u003eFinder shoe for standard viewfinder holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003col\u003e\n\u003cli\u003eCNC tube rings\u003c\/li\u003e\n\u003cli\u003eGP\/EQ5 level dovetail bar\u003c\/li\u003e\n\u003cli\u003eCarry Handle\u003c\/li\u003e\n\u003cli\u003ePhoto adapter to M48x0.75\u003c\/li\u003e\n\u003cli\u003eFinder shoe (mounted)\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":43634011013363,"sku":"FRA400T","price":1349.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/products\/Askar-FRA400-APO-Telescope_5.jpg?v=1675799142"},{"product_id":"askar-fra500-90-apo-quintuplet","title":"Askar FRA500 - 90 APO (Quintuplet)","description":"\u003cp\u003e\u003cstrong\u003eAskar is the new line of specialised telescopes for astrophotography with particular emphasis on optical and also mechanical quality.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Anotation 'FRA' represents refractor telescopes with an integrated corrector element for a flat and corrected field of view. The FRA series is mainly used for astrophotography.\u003cbr data-mce-fragment=\"1\"\u003eThe ASKAR FRA500 is a Petzval 5-element Apochromat with 500mm focal length, f\/5.6 focal ratio and 90mm aperture. 2 ED glasses are installed in the front lens for improved colour correction. This APO is also suitable for cameras up to full frame sized sensors.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe dew cap also provides good protection against stray light and is retractable. The large focuser also holds heavy cameras and allows for precise focusing thanks to the microfocus adjustment wheel. The focuser offers a range of connections for all common astro thread sizes. Also included is an adapter to M48 x 0.75, which is ideal for all cameras with a 55mm working distance. This adapter also has a space to screw in 2\" filters.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture: 90mm\u003c\/li\u003e\n\u003cli\u003eFocal length: 500mm\u003c\/li\u003e\n\u003cli\u003eAperture ratio: f\/5.6\u003c\/li\u003e\n\u003cli\u003eTelescopic type: 5-element quintuplet APO with 3-element ED lens\u003c\/li\u003e\n\u003cli\u003eTransport length: 410mm\u003c\/li\u003e\n\u003cli\u003eWeight: 4.1 kg\u003c\/li\u003e\n\u003cli\u003eConnection camera side: M68x1, M54x0.75, M52x0.75 indoor and M48x0.75\u003c\/li\u003e\n\u003cli\u003eFilter thread: A 2\" filter thread (M48x0.75) is integrated into the camera adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5-element quintuplet design with corrector in tube Two ED glasses in a triplet lens for very good correction of the color.\u003c\/li\u003e\n\u003cli\u003e55mm image circle with full illumination and correction.\u003c\/li\u003e\n\u003cli\u003eStable 3.5\" RAP focuser with micro reduction gear and 360° rotation.\u003c\/li\u003e\n\u003cli\u003eAdapters to M68x1, M54x0.75, M52x0.75 and M48x0.75 are all included.\u003c\/li\u003e\n\u003cli\u003eFrom the M48 thread you have a comfortable working distance for all common astro cameras and DSLR Cameras.\u003c\/li\u003e\n\u003cli\u003eFlexible Losmandy Level dovetail bar with photo tripod connection and carrying handle with flexible slotted hole.\u003c\/li\u003e\n\u003cli\u003eFinder shoe for standard viewfinder holder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003col\u003e\n\u003cli\u003eCNC Tube Clamps\u003c\/li\u003e\n\u003cli\u003eLosmandy Level Dovetail Bar\u003c\/li\u003e\n\u003cli\u003eCarry Handle\u003c\/li\u003e\n\u003cli\u003ePhoto Adapter\u003c\/li\u003e\n\u003cli\u003eFinder Shoe (Assembled)\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":43634026086643,"sku":"FRA500","price":2449.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/products\/Askar-FRA500-APO-Telescope_2.jpg?v=1675800572"},{"product_id":"askar-fra300-60-apo-quintuplet","title":"Askar FRA300 - 60 APO (Quintuplet)","description":"\u003cp\u003eThe Askar FRA300 is a 60mm f\/5 Quintuplet Astrograph Telescope. These telescope designs place great emphasis on optical, as well as mechanical quality making them the perfect instrument for Astrophotography and the product designation 'FRA' stands for a Refractor telescope with an integrated corrector element for a flat and corrected field of view.\u003cbr\u003e\u003cbr\u003eThe Askar FRA300 is a 5-element Petzval apochromat with a 300mm focal length, f\/5 and 60mm aperture. There are 2 ED glass elements built into the lens for good correction of chromatic aberration. This APO is also corrected for cameras up to a full frame sensor.\u003cbr\u003e\u003cbr\u003eThe dew shield also provides good protection against stray light and is retractable. The large focuser holds heavy cameras and the dual-speed gearing allows very precise focusing. \u003cbr\u003e\u003cbr\u003eThere are T2, M48 and M54 threads also available for different connection types. The working distance is optimized for all popular cameras, from mirrorless systems and DSLR's to astro cameras (CMOS and CCD).\u003c\/p\u003e\n\u003cp\u003eWhile this telescope was designed for Astrophotography, it is also suitable for visual observations too.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture: 60mm\u003c\/li\u003e\n\u003cli\u003eFocal length: 300mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/5\u003c\/li\u003e\n\u003cli\u003eTelescope type: 5-element (quintuplet) apo with 2-element ED lens\u003c\/li\u003e\n\u003cli\u003eTransport length: 300mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.15kg\u003c\/li\u003e\n\u003cli\u003eCamera side connection: M76x1 M54x0.75 male thread, M48x0.75 male thread and T2 male thread\u003c\/li\u003e\n\u003cli\u003eDrawtube travel: 20mm\u003c\/li\u003e\n\u003cli\u003eFilter thread: 2\" filter thread (M48x0.75) is integrated in the camera adapter (accessible after unscrewing the adapter)\u003c\/li\u003e\n\u003cli\u003eWorking distance: 45-65mm from the T2\/M48\/M54 connection thread and 55-75mm from the M76x1 external thread\u003c\/li\u003e\n\u003cli\u003eDew shield diameter: 92mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTelescope OTA\u003c\/li\u003e\n\u003cli\u003eCNC tube rings\u003c\/li\u003e\n\u003cli\u003eGP\/EQ5 style dovetail bar \u0026amp; Handle\u003c\/li\u003e\n\u003cli\u003ePhoto adapter to M48, M54 and T2\u003c\/li\u003e\n\u003cli\u003eFinder shoe (mounted)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003col\u003e\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":48163083878735,"sku":"FRA300","price":1299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/AskarFR300TelescopeAstrography_4.jpg?v=1704820884"},{"product_id":"sharpstar-61-edph-iii","title":"Sharpstar 61 EDPH III (incl. x0.75 Reducer)","description":"\u003cp\u003e\u003cstrong\u003eSharpstar 61EDPH III 61mm Triplet Apochromat:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote\u003c\/span\u003e: These Telescopes are ordered directly from the Manufacturer which can have an additional lead time. Feel free to contact us for more info if needed.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe 61EDPH series has long been popular with astrophotography amateurs, in order to have a better user experience for users, Sharpstar has optimized the 61EDPH II and launched the 61EDPH III which has more diverse functions and greater performance.\u003c\/p\u003e\n\u003cp\u003eThe 61EDPH III still has high-quality optical standards like before and adopts an air-spaced triplet APO design. However, compared to the 61EDPH II, it has an upgraded two pieces low dispersion ED glass for more excellent imaging performance. 61EDPH III (without reducer) has a focal length of 360mm, a focal ratio of f5.9, and supports the 44mm full-frame image circle. Its also a high-quality portable telescope.\u003c\/p\u003e\n\u003cp\u003eThe 61EDPH III upgraded the handle of the 61EDPH II to a multifunctional handle, which provides an additional universal Vixen style finder base. In addition to this, the 61EDPH III is equipped with a 200mm long Vixen style dovetail plate, easier to connect to the equatorial mounts and accessories, and makes the OTA easier to balance on the mount. As before, the tube uses high-quality CNC machining, high-grade surface painting, and polished oxidation, which is both elaborate and durable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe x0.75 Reducer (included)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe special full-frame reducer: On this reducer, one end of the reducer features an M68×1 thread to connect to the focuser drawtube, the other end of the reducer has an M48×0.75 male thread with built-in 2\" filter thread. The back focus is 55mm. If it needs to be extended, this reducer can also be split to reveal an M54×0.75 female thread, and then the back focus becomes 75mm. The reducer adopts an air-spaced quadruplet structure, supporting full-frame imaging. With the reducer installed, the focal ratio of 61EDPH III is reduced to f\/4.5 and the focal length reduced to 270mm.\u003c\/p\u003e\n\u003cp\u003eAn optional full-frame flattener and a full-frame reducer are available for the 61EDPH III, providing users with even more options:\u003cbr\u003eThe special full-frame flattener: One end of the flattener features an M68×1 male thread to connect to the focuser drawtube, the other end of the flattener has an M48×0.75 male thread with built-in 2\" filter thread. The back focus is 55mm. If it needs to be extended further, the flattener can be split to reveal an M54×0.75 female thread, and the back focus becomes 81.5mm. The flattener adopts an air-spaced triplet structure, the peripheral light reduction control is excellent and can effectively improve the curvature of the field which improves the corner image quality, and reduces aberrations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLens: Air-spaced triplet apo (including two ED glasses)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCorrector: Air-spaced quadruplet design, fully multi-coated\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAperture: 61mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal length: 270mm (Reducer installed)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/4.4 (Reducer installed)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLimiting visual magnitude: 10.7\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eResolution: 1.93 arc seconds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eImage circle: 44mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocuser: 2.5\" dual-speed rack-and-pinion precision focuser, 360 rotatable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBack side connections: M48x0.75 male thread, M54x0.75 male thread with increased back focus\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBack side connections without reducer:    M68x1 male thread, 2\", 1.25\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBack focus: 55mm (75mm from M54 thread)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFinder shoe: For Vixen type finder brackets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting options: Vixen style dovetail bar (200mm) with 1\/4-20 photo thread and 6 M6 threads, handle with ARCA-SWISS slot\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTube material: Aluminum\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransport length: 272mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTube outer diameter: 75mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDew shield diameter: 82.6mm (87.2mm with cap)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelescope height: 144mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 2.4kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cem\u003eSharpStar 61EDPH III Triplet APO Refractor\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e0.75x reducer\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003e2\" and 1.25\" eyepiece adapters\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eCovers\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eFinder shoe\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eTube ring\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eDovetail bar\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eHandle\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":55671974363471,"sku":"61EDPH-BUNDLE","price":1395.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/Sharpstar61-EDPH-III-APO-Refractor-Telescope_1.jpg?v=1754238918"},{"product_id":"sharpstar-61-edph-iii-field-flattening-corrector","title":"Sharpstar 61 EDPH III - Field Flattening Corrector","description":"\u003cp\u003e\u003cstrong\u003eSharpstar 1.0x Full-Frame Field Flattener for 61EDPH III\u003c\/strong\u003e\u003cbr\u003eThanks to the triplet design, this image field corrector provides very good correction of the image field while simultaneously providing very good illumination up to full frame format for sharp astrophotos.\u003c\/p\u003e\n\u003cp\u003eThe corrector has a male M68x1 thread on the telescope side for secure screw connection to the focuser of the 61EDPH III apo. On the camera side, the corrector has an M48x0.75 connection thread and a working distance of 55 mm. The camera adapter also offers a connection for 2\" nebula filters.\u003c\/p\u003e\n\u003cp\u003eThe camera adapter can be removed for individual adaptations. An M54x0.75 female thread is then available with a working distance of 81.5mm.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfigurated: Air-spaced triplet design, fully multi-coated\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntended for telescopes: Sharpstar 61EDPH III\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal length extension: 1.0x (no change)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCorrected and illuminated field of view: 44mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelescope side connection: M68x1 female thread for 61EDPH III focuser\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCamera side connection: M54x0.75 female male thread, M48x0.75 male thread with \u003c\/li\u003e\n\u003cli\u003e2\" filter thread\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBackfocus: 55mm from M48 thread, 81.5mm from M54 thread\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 0.4kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eFlattener\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eDust caps\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":55672053825871,"sku":"SHFLAT61","price":349.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/Telescope-Field-Flattner61EDPHIII.jpg?v=1754240041"},{"product_id":"askar-130pphq","title":"Askar 130PHQ Astrograph","description":"\u003cp\u003e\u003cstrong\u003eAskar 130PHQ Quadruplet APO Astrograph:\u003cbr\u003e\u003c\/strong\u003e\u003cbr\u003eThe Askar 130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of flattener or making tedious connection to match the distance, astrophotographers can simply equip it with any possible imaging devices, make the target stay at the focus, and then the whole optical system is perfect for imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eHigh quality imaging optics:\u003c\/em\u003e\u003cbr\u003e130PHQ has an aperture 23mm larger than 107PHQ. 130PHQ has a focal ratio of f\/7.7 and a focal length of 1000mm. The Petzval-like quadruplet lens with two ED glasses offers excellent control of chromatic and other aberrations. With its self-flattening design, 130PHQ offers strong advantages in astronomical photography. It supports a medium frame 60mm image circle, has a fine spot diagram with only tiny distortion of the peripheral stars, and its central RMS radius is less than 2 microns.\u003c\/p\u003e\n\u003cp\u003eThe Askar 130PHQ is a true all-rounder with f\/7.7 - it is designed as a telescope for almost all applications:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith 1000mm focal length and the large corrected field of view, extended objects can be imaged. But equally, fine details of objects can be brought out when cameras with high resolution are used.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe use of different cameras with different flange focal lengths is no problem. Simply focus and you are always at the correct distance.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe focuser has large travel, so you can find the focus without problems.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe working distance or backfocus from the 2\" receptacle is long enough to use 2\" star diagonals. This turns the flatfield apo into a wide field telescope or even a planetary telescope, depending on the eyepiece used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePractical features:\u003c\/em\u003e\u003cbr\u003e130PHQ comes with a telescopic lens hood, a high quality CNC machined and painted tube and attractive decorative parts. The rigid 3.4\" focuser comes with M68, M54, and M48 adapters and a finder base. When used with the optional 3\" 0.7x flat field reducer, the telescope can reach a focal ratio of f\/5.4 and a focal length of 700mm, effectively reducing exposure time considerably. The multifunctional handle comes with a central slot for attaching an M6 screw with an M6 screw hole. It has a standard Losmandy style dovetail plate, together with sturdy double tube ring and is perfectly suited for both viewing and imaging.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe photographic 3.4\" Rack \u0026amp; Pinion focuser:\u003c\/em\u003e\u003cbr\u003eThe CNC focuser is optimized for photography and can handle a load of up to 8kg. The adjustment range is very generous. The focusing is done via rack and pinion which is decoupled from the bearing of the draw tube. This guarantees fine and precise adjustment even at maximum load. In addition to the 1.25\" and 2\" receptacle, the focuser also offers threads for screw on adaptations.\u003c\/p\u003e\n\u003cp\u003eEvery single APO is checked in the technical department before it is put into storage in order to guarantee its consistently delivered to you in the highest quality.\u003cbr\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eThe mechanics are tested and the focuser is optimally adjusted.\u003cbr\u003eThe lens is cosmetically checked and cleaned. The quality team also check that all counter screws are correctly tightened. These often loosen during transportation.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe optics are collimated and the result is checked on the optical bench. The telescope is given a serial number.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn optical test is carried out, which is enclosed with the telescope (star images and ronchi image on the optical bench in autocollimation).\u003cbr\u003eOnly then are the telescopes handed over to the warehouse and prepared for dispatch.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAperture size: 130mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal length: 1000mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/7.7\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eObjective lens: Air-spaced quadruplet apo, consisting of a triplet (including two ED glasses) and a single element\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eImage circle: 60mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEyepiece connections: 2\", 1.25\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocuser: 3.4\" dual-speed rack and pinion, max. load 8 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocuser travel: 95mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVisual back-focus with focuser fully retreated: 148.5 mm (from the end of 2\" eyepiece holder)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRear-end threads: M86x1 male, M68×1 male, M54×0.75 male, M48×0.75 male\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRear-end filter adapter: M54×0.75-M48×0.75 (M48×0.75 filter thread inside)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePhotographic back-focus from base with focuser fully retreated:    186mm (from M86×1 thread), 156mm (from M68×1 thread), 136mm (from M54×0.75 thread), 116mm (from M48×0.75 thread)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDew shield diameter: 169mm front, 162mm back\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTube diameter: 146mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal length with 1.25\" receptacle: 842.5mm \/ 889.5mm (dew shield retracted \/ fully stretched)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal length with 4-piece adapter: 1011.5mm \/ 1061.5mm (dew shield retracted \/ fully stretched)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFinder base: Vixen style finder shoe\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMount connection: Losmandy style dovetail plate\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet weight: 10.2kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGross weight: 12.5kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e130PHQ OTA with adapter M86 to 2\"\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eAdapter 2\" to 1.25\"\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003ePair of tube rings\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eHandle\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eLosmandy style dovetail plate, length 300 mm\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eSet of 4-piece photographic adapters\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eUser manual\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eTransport case\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":55672154128719,"sku":"AS130PHQ","price":3869.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/Icon-Askar-130-PHQ-APO-Refractor-Telescope.jpg?v=1754241306"},{"product_id":"askar-field-flattener-reducer","title":"Askar Field Flattener (x0.7 Reducer) - For PHQ Astrographs","description":"\u003cp\u003e\u003cstrong\u003eAskar 0.7x Reducer for 107PHQ, 130PHQ and 151PHQ.\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAskar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ, 130PHQ \u0026amp; 151PHQ. It has a triplet design with one ED glass.\u003c\/p\u003e\n\u003cp\u003eThis reducer, connected with the Askar astrographs, can effectively shorten the exposure time and dramatically increase your field of view, bringing more convenience and possibilities for your deep-sky astrophotography.\u003c\/p\u003e\n\u003cp\u003eThe 0.7x reduction gives PHQ a shortened focal ratio of 4.9 and shorter exposure time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Focal reducer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for telescopes: Askar 107PHQ, 130PHQ and 151PHQ\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReduction factor: 0.7x\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptical design: Triplet with on ED glass\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelescope connection: 3\" barrel, 80mm diameter\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFilter thread telescope side: M77x1 female\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnection threads: M68x1 male, M54x0.75 male, M48x0.75 male\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBackfocus: 55mm from flange of M48 thread\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eReducer\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eAdapter set\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eDust covers\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":55672330486095,"sku":"ASREDPHQ2","price":565.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/Icon-Askar_130PHQ_Field_Flattener_1.jpg?v=1754245420"},{"product_id":"sharpstar-z4","title":"Sharpstar Z4 100 APO","description":"\u003cp\u003e\u003cstrong\u003eAskar Sharpstar Z4 100mm f\/5.5 6-Element Flatfield Apo.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNote\u003c\/span\u003e: These Telescopes are ordered directly from the Manufacturer which can have an additional lead time. Feel free to contact us for more info if needed.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe Z4 is a sextuplet astrograph with three pieces of lens at the front and three pieces at the back, and two of them are ED glasses.\u003c\/p\u003e\n\u003cp\u003eJust like other Sharpstar astrographs, the Z4 is designed as self-flattening so there is no need to calculate the back focus. You can just focus the target and the optical system is perfectly corrected for imaging. It is especially ideal for capturing stunning wide-field images of the deep sky over a 36mm (APS-C) sized image circle, however the Z4 is not recommended for use with full-frame cameras.\u003c\/p\u003e\n\u003cp\u003eThe tube ring has a handle on the top which makes it easy to carry and assemble. The handle is also designed as a slot where you can mount a finder base etc.\u003c\/p\u003e\n\u003cp\u003eThe entire tube has a length of just 482mm with the dew shield retracted and it weighs just 4.3kg. It has a back focus of 77mm, so common M48-rings will work fine when using DSLR cameras or you can use astronomical cameras with accessories.\u003c\/p\u003e\n\u003cp\u003eThe Z4 uses a large 3.4\" focuser with a 1:10 fine adjustment knob and a 360° rotator for easy focusing and angle adjustment. It has M86, M68, M54, M48 adapters, and the M48 one has an internal thread that can fit 2\" filters.\u003c\/p\u003e\n\u003cp\u003eA 300mm Vixen-style dovetail plate also makes it easier to balance on the equatorial mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpec:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eObjective lens: Fully air-spaced sextuplet apo (including two ED glasses)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAperture: 100mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocal Length: 550mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio: f\/5.5\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eImage circle: 36mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFocuser: 3.4\" rack and pinion, dual speed\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBack focus: 77mm from the M48 thread\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRear-end thread: M48x0.75 male thread\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapters: M86x1-M68x1, M68x1-M54x0.75, M54x0.75-M54x0.75, M54x0.75-M48x0.75 (with M48x0.75 filter thread)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDew Shield: Retractable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal length: 482mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight of tube without tube ring and dovetail bar: 4.3kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight tube incl. tube ring and dovetail bar: 5.6kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGross weight incl. case and all accessories: 9.3kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWhats included:\u003c\/em\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eTelescope\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eStandard finder shoe\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eTube ring\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eDovetail plate (Vixen style)\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eHandle\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003e4-piece photographical adapter\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eWarranty card\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\n\u003cem\u003eManual\u003c\/em\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-style: italic;\"\u003e\u003cem\u003eHard case\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Askar Sharpstar","offers":[{"title":"Default Title","offer_id":55677016179023,"sku":"ASZ4","price":2645.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/files\/Sharpstar-Askar-Z4-APO-Refractor-Telescope.jpg?v=1754319692"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/1924\/6275\/collections\/Brand_Header_47bdb083-619b-47bd-b90e-872f49e788dc.jpg?v=1779097524","url":"https:\/\/www.horizonastronomy.ie\/en-it\/collections\/askar.oembed","provider":"Horizon Astronomy • Telescope Center","version":"1.0","type":"link"}