Test Results

 

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.

 

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