Test Results

 

Art. –Nr. SKY-LE-05

Skywatcher Long Eye Relief 5mm

 

Sharpness:

Sharp down to the diffraction limit of the measurement system in the center, slightly blurred at the edges.

 

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

 

Apparent Field of View:

Field of view is just approx. 37°.

 

Contrast:

Between good and very good.

 

Aberration:

Noticeable cushion distortion.

 

Eye Relief:

Very comfortable.

 

Mechanical Quality:

Good quality with rubber eye guard, grip coated body.

 

Summary:

Not a bad eyepiece, but the small apparent field of view and the distortion are contrary to a really good rating.

 

 

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