Solar observation in H-alpha is the most spectacular way to see the suns constantly changing features, including Sunspots, Solar Flares and other features on its surface. This H-Alpha solar telescope has a 40mm aperture with a half-width of < 0.7 Angtröm - B500 blocking filter and Helical focuser.
The LS40THa/B500 is a complete telescope for observing the Sun in H-alpha light, with 40mm free aperture (no central obstruction) and 400mm focal length.
The Etalon filter with mechanical tilt tuning achieves a half-value width of <0.7 Angström and focusing is done using a 1.25" helical focuser. The zenith mirror contains the blocking filter is internally and is equipped with a holder for 1.25 inch eyepieces. This telescope's ease of use and simple setup makes it ideal for getting started with H-Alpha solar observation.
Note: Lunt Solar telescopes come with B500, B600 & B1200 filters with the larger ones providing a wider field of view and less shading on the edges. These telescopes are ideal of visual observation of the Sun however as they have a very small back focus, only cameras with a very sort distance to the sensor can be used for photography.
Aperture: 40mm (2-lens lens)
Focal length: 400mm
Half-value width: < 0.7 Angström
Tuning: Mechanical tilt tuning
Blocking Filter: B500 with 1.25 inch connector
Focuser: Helical focuser
Dovetail : Standard GP Vixen
1/4-20 thread (standard thread for photo tripods)
Sun viewfinder included
LS40THa Solar Telescope
B500 Blocking Filter in Zenith Mirror
1.25 inch Helical focuser
GP Vixen rail
Please Note: Items in stock and ready for dispatch immediately are usually delivered within 24-48hrs. Some items may be 'Special Order Items' and require additional lead time before being dispatched eg. 5 - 10 Working days - This will be highlighted on the product page before purchase.
All orders are shipped using our reputable courier partners to ensure your items arrive safely and promptly. While we do offer International Delivery, we are unable to ship large Telescopes and Mounts outside of Ireland.
REPUBLIC OF IRELAND
Est. Delivery Time after Dispatch: 24 - 48 hrs
Standard Express Shipping: Ireland Nationwide: from €9.95
Note: Larger telescopes which contain multiple boxes include an additional surcharge. Shipping is calculated automatically at the checkout.
- CLICK & COLLECT -
You can also avail of our FREE 'Click & Collect' service at the checkout, where you can order online and collect from our head office. Depending on the items and availability, these can be ready for collection within a few hours. "NOTE: Please wait until we let you know your order is ready before you arrive, to arrange a suitable time for collection."
Est. Delivery Time after Dispatch: 24 - 48 hrs
Standard Express Shipping: Norther Ireland: from €19.50+
Standard Express Shipping rate applies up to a max order weight of 30kg Nationwide. - Large heavy items from 30kg+ include an additional surcharge, depending on the overall weight.
Unfortunately due to Brexit we are currently unable to ship to Mainland UK at this time.
Est. Delivery Time after Dispatch: 24 - 72 hrs
Standard Express Shipping: European Union: from €18.95+
Shipping available for items upto a max order total weight or volumetric weight of 27kg.
If your country is not listed below please contact us for more information.
Standard EU Delivery Regions: Germany, France, Belgium, Poland, Luxumbourg, Netherlands, Sweden, Denmark, Portugal, Spain, Austria, Italy, Poland, Czech Republic, Croatia, Malta, Greece
US & CANADA
Est. Delivery Time after Dispatch: 48 - 72 hrs
Standard Express Shipping: US & Canada: from €28.50+
Shipping service available for items upto a max order total weight or volumetric weight of 20kg.
* Customs / Import duties may apply in these regions. For more information please contact your local tax/customs office.
IMPORTANT: Its essential that when placing an order, you include a valid 'Contact Telephone Number' for the delivery address or for the person receiving the item. This is necessary to avoid potential delays or problems with your delivery.
Please Note: Delivery times listed above are estimated. These are calculated from when your order is Completed & Dispatched (not from when the order is placed) and times may also vary for some remote post codes. Delivery service takes place Mon-Fri (excl. Bank/Public Holidays).
Shipping Disclaimer: All of our parcels are sent via a 3rd party registered courier service to ensure safe and prompt delivery. While we endeavor to ensure that all parcels are delivered within the specified time frame, 'Horizon Astronomy' can not be held responsible for delays due to adverse weather conditions or other courier/technical related issues outside of our control.