Soligor ED 25mm
Very good sharpness for the whole field of view.
x-axis: distance from optical axis in °, y-axis: resolution in arc minutes
Apparent Field of View:
The apparent field of view is approx. 44° - a little bit less than given by the manufacturer.
A very good manufactured eyepiece of high quality.
A long eye relief eyepiece of high quality. Surely worth its money.