William Optics GuideStar 61 APO (M-GS61)

William Optics GuideStar 61 APO (M-GS61)Made using Ohara FPL 53 optical glass, the William Optics 61 mm Guide Star delivers superb optical performance for high contrast images that are all but completely free of false color. Its 360 mm focal length is ideal for use with telescopes that have focal lengths between 700 mm and 1200 mm. In addition, optional accessories are available to make the GS61 suitable for astrophotography applications. Focus is optimized by adjusting the dew shield, and

This eliminates any restriction of the larger diameter converging light cone

can effectively reduce exposure time and expand the field of view to meet more of the shooting requirements

A CEM40-NUC is ready to mate with Intel® NUC minicomputer (thickness≤38mm) at the front of dovetail saddle seamlessly with the cable management system

it will serve as the touchstone for the next generation of stargazers as well as longtime devotees

With only 3 mm long T-2 thread for modern CMOS cameras

With the exception of its objective lens diameter of 85 millimeters

The CEM120EC's performance is demonstrated by its low periodic tracking error of <0

25" Tripod leveling pads min height 4" Tripod Weight (lbs) 64

It is powered by a 5V USB port

3FPS@16BIT on USB3

you will be able to easily get a replacement on the market at a low cost

0 transmission interface and a built-in 512MB DDR3 cache to ensure stable and secure data transmission