Bresser Messier 305 Dobsonian Telescope - 12"

The Bresser Messier 12" Dobsonian really does take your Astronomy journey to another level. This well loved telescope series even provides good portability due to its lightweight fibreglass telescope tube and optics of this size offer some of the best views you will see of our Solar System and beyond.

Thanks to the powerful telescope aperture of 305mm, you get significantly more light-gathering capacity than with the smaller models and are therefore not limited to observing the moon and the planets of our solar system - At this kind of aperture you can really observe further out into the universe and observe globular clusters, nebulae and galaxies in even greater detail & clarity. Many finer details start to become clearly visible in most deep-sky objects: globular clusters are clearly resolved into individual stars and gas nebulae, which can only barely be seen with smaller devices, start to show some structure. 

The device is unrivalled in its versatility: The excellent large Hexafoc focuser has an aperture of 65mm - so there is no noticeable obstruction from the focuser tube even with large wide-field eyepieces. 

Thanks to the large altitude wheels, even these heavier eyepieces are held effortlessly. And if a particularly large number of accessories is attached, such as a binocular attachment, then the entire tube can be moved inside the tube clamps - and everything is balanced again in a flash. The unrivalled rigidity of the focuser makes focusing very easy - so photography with this telescope is also possible. 

In addition, the new 12" Bresser Messier makes it easy to transport the device as compactly as possible - the rocker box can be dismantled in a few simple steps because the parts are assembled with metal quick-release connectors. This quickly turns the bulky rocker box into a handy flat package of individual parts.

The package also includes a high-quality objective solar filter for safe observation of sunspots, eclipses and planetary transits.

Features:

• Type: Reflector telescope 
  
• Telescope for night and solar observation
  
• Lightweight but very stable GRP telescope tube
  
• Primary mirror diameter: 12" (305 mm) parabolic main mirror 
  
• Focal length: 1,525 mm 
  
• Aperture ratio: f/5
• Maximum useful magnification: 610x 
  
• Theoretical. resolving power: 0.45 arcseconds 
  
• Easy to balance the tube by sliding it inside the tube rings
  
• Visual limiting magnitude: 14.5 mag 
  
• Tube: GRP tube with adjustable tube rings and aluminium altitude bearings 
  
• Focuser: 2.5" HEXAFOC focuser with 2" and 1 1/4" adapter 
  
• Shifting-free focusing even with heavy accessories 
  
• Secondary mirror bracket: very thin 4-arm steel spider 
  
• Tube rings and altitude wheels made from aluminum
  
• Different sized adjustment and counter screws on the mirror cell 
  
• Use of the optics also on EQ mounts (with optional dovetail bar) 
  
• Mount: Dobsonian system 
  
• Dismantlable rocker box 
  
• Accessory tray for one 2" and two 1 1/4" eyepieces, mounted on the front side 
  
• Eyepiece: BRESSER Super Plössl 25 mm (1 1/4") 
  
• Viewfinder: 6x30 viewfinder
  
• Hybrid viewfinder shoes (Art. 0620158) included (2 pcs)
  
• Tube weight without accessories: 16 kg
  
• Tube weight with accessories: 18.9 kg 
  
• Rocker box weight: 14.8 kg 
  
• Total weight: 33.7 kg 
  
• Overall dimensions: 60 x 60 x 163 cm

Whats included:

1. Reflector Tube with Newtonian optics 
   
2. Aperture solar filter 
   
3. 6x30 viewfinder 
   
4. Hybrid viewfinder shoes (2 pcs)
   
5. 25mm Super-Plössl eyepiece (Ø 31.7mm / 1.25") 
   
6. 1 extension tube 37.5mm for 2.5" Hexafoc 
   
7. 1 eyepiece adapter Ø 31.7 to 50.8mm 
   
8. 2 tube rings 
   
9. 2 altitude wheels 
   
10. Rocker box with 2 base plates and mounting material (disassembled for self-assembly)