Bresser Messier Dual Speed Focuser Upgrade CAA Rotator very good optics and are

very good optics and are a very rugged by design

ASIAIR PLUS Features:

Equatorial Mode keeps celestial targets precisely tracked so stars remain sharp and deep-sky objects stay steady in frame for longer exposures

fully manual control remains an option too

Number of objects in the Database: 4000+

Bresser Messier Dual Speed Focuser Upgrade CAA Rotator very good optics and areThis precision focuser gear assembly is specifically designed for the 2. 5" Messier HexafocFocuser range on many of the Bresser Messier range of optics. Its extremely easy to install and allows for much more high focusing precision, especially useful for astrophotography. The required hex key tool and setscrew (M3) is also included. Features: Upgrades the standard 2. 5" Hexafoc to a DeLuxe Dual Speed Hexafoc. Gear Set ratio 1: 8