Bresser Messier NT203s/800 OTA features a fast parabolic main mirror and a Hexafoc focuser. It is an excellent tool for astrophotography. This is an aluminum tube with a classical design. The large primary mirror of 203 mm diameter allows for delivering deeper images and a faster optical system. The 85 mm secondary mirror prevents vignetting. The excellent 2.5" Hexafoc focuser makes focusing easy due to its large diameter and smoothness and shifting-free operation. You will love astrophotography with this optical tube. It is easy to take pictures due to the tube rings with a 44 mm universal standard dovetail and a high-end finderscope with a crosshair and laser-engraved scale.

Features:

• Aperture: 203 mm
• Focal length: 800 mm
• Focal ratio: f/3.9
• Backfocus fully inward focused: 60 mm
• 85 mm secondary mirror for optimal illumination
• Diffraction limited optics with parabolic main mirror
• Large knobs for primary and secondary mirror adjustment

The kit includes:

• Aluminum tube with optics
• Tube rings with a handle and camera mounting feature
• 8x50 finderscope with a reticle
• 26 mm Super Plössl