TECHNICAL SPECIFICATION
Parameters Value
Clear Aperature mm 163
Focal ratio f/5.5
Focallength mm 894
Back focus, mm 40
Photographic field of View 2° 30 ‘
Optical quality for wave length (λ)0,63 mkm
(P-V) λ / 6 or better
CKO (RMS) 0,041
Magnification of system Depend on focal length of eyepiece
Central obstruction 26 %
Focusing 2” focuser
Material of body parts aluminum
Material of primary and secondary mirrors K7, LK5 (Pyrex), with reflective aluminum coating and SiO2 protected
Tube (length, diameter) 840,210
Tubeweight kg 9 |