Fixed wide-angle eyepieces which, on the larger Opticron tubes, provide slightly lower magnification with really large fields of view. With screw shell and good glasses adaptation.
Product information
Length: 40 mm
Weight: 151 grams
Eye distance (eye-relief): 22 mm
Lens diameter: 25 mm
Warranty: 10 years
Provides the following magnification / field of view/1000m depending on which tube it is used on:
MM3/MM4 50 ED/45: 13xW / 75 m
MM3/MM4 60 ED/45: 17xW / N/A
MM4 77 ED/45: 20xW / N/A
ES 80: 23xW / 45m
HR 66: 20xW / 52m
HR 80: 27xW / 39m