Test
Results
Art. –Nr. SKY-APEX-28
Skywatcher Apex 28mm 2”
Sharpness:
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. 52°, a little bit less than the
manufacturer data.
Contrast:
Very good contrast.
Aberration:
Nothing noticeable.
Eye Relief:
Very comfortable.
Mechanical Quality:
Relatively simple, but not bad.
Summary:
A fine and optically good eyepiece, but the 52° field of view at 28mm can
be reached with 1 ¼ inch barrel size also. Do not use with telescopes faster
than F/6.