Art. –Nr. SKY-SP-06.3
Skywatcher Super Ploessl 6,3mm
Sharpness:
Sharpness is good nearly for the full field of view. Only close to the
edges a little bit blurred.
x-axis: distance from optical
axis in °, y-axis: resolution in arc minutes
Apparent Field of View:
Field of view is approx. 46°.
Contrast:
Only good contrast.
Aberration:
Nothing noticeable.
Eye Relief:
Very short eye relief because of the short focal length. To have a view
of the whole apparent field of view you have to get very close to the lens.
Mechanical Quality:
Fine. You do not need more to keep it for a long time.
Summary:
Still a good eyepiece, but the 7.5mm version is clearly better.