Test Results

Art. –Nr. SKY-SP-17

Skywatcher Super Ploessl 17mm

Sharpness:

Sharpness is very good within 30° apparent field of view. Only close to the edges not convincing.

x-axis: distance from optical axis in °, y-axis: resolution in arc minutes

Apparent Field of View:

Field of view is approx. 46°.

Contrast:

Due to the multi coating and use of just four lenses a very good contrast.

Aberration:

Close to the edge slight cushion distortion.

Eye Relief:

Comfortable.

Mechanical Quality:

Fine. You do not need more to keep it for a long time.

Summary:

A good eyepiece. Just the missing sharpness at the edge is a little bit disappointing.

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