TESTAR 50mm GUIDE SCOPE ZWO Lens The ZWO ASI 294MC contains

The ZWO ASI 294MC contains the Sony IMX294CJK CMOS colour sensor that offers 14bit

adding just enough friction and tension to allow the tube to move easily when nudged or stay solidly in position

or any flat surface

Ships in convenient Twist-Case for safe

the writing speed of your computer is slow or occupied with other processes

TESTAR 50mm GUIDE SCOPE ZWO Lens The ZWO ASI 294MC containsThe Testar 50mm Guide Scope has a focal length of 190mm and a focal ratio of f 3. 8. The objective is a fully multi coated achromatic doublet for a greater optical precision. The border of the lenses are blackened to deliver a higher contrast. The 69mm support rings have 3 screws with a nylon tip for a perfect alignment with the main telescope. Having the guide scope aligned to the main telescope increases the guiding accuracy and it reduces the field