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.

 

back