TESTAR 50mm GUIDE SCOPE ZWO Lens The iOptron GEM45 is an

The iOptron GEM45 is an innovative next-generation German equatorial mount

the Delta Rho has a fixed primary mirror

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Ø 62mm + 1 x roller bearing Ø 72mm + 2 x roller bearing Ø 45mm – On bearings clutch system DEC axis

TESTAR 50mm GUIDE SCOPE ZWO Lens The iOptron GEM45 is anThe 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