Optical system
Caliber 80mm
Focal length 90mm
Coke ratio 11.25
Eyepiece 1 10mm
Magnification 90x/270x
Eyepiece 2 25 mm
Magnification 36x/108x

Zenith mirror 48° just like zenith mirror
Base G3 Equatorial Mount
Linear field of view 1000 yards / m 61 ft (19m)
Optical coating multilayer broadband film
Barov Extender 3x
Limit star 12
Resolution Rayleigh limit 1.74 angular seconds
Resolution Du's limit 1.45 angular seconds
Light collection 13lx
Angle of view 1.2°
Main mirror connection method hoop / tail plate
Tripod stainless steel
Total weight 13.5kg