15mm Soligor Plössl, old version
Sharpness:
Very good sharpness.
x-axis: distance from optical
axis in °, y-axis: resolution in arc minutes
Apparent Field of View:
The apparent field of view is about 45°.
Contrast:
Very good.
Aberration:
-
Eye Relief:
Without any problems in use.
Mechanical Quality:
Proper quality. Equal to most so-called Super ploessls.
Summary:
Fine eyepiece for the money.