Test Results

Art.–Nr. SOL-PL-04

Soligor Ploessl 4mm

Sharpness:

Sharp to the diffraction limit of the measurement device in the center, but not good towards the edges.

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

Apparent Field of View:

The apparent field of view is approx. 48°

Contrast:

For this focal length astonishing good.

Aberration:

Nothing noticeable.

Eye Relief:

Very short eye relief because of the short focal length. Folding back the rubber eye cup make it easier.

Mechanical Quality:

Like the Skywatcher and TS Super Ploessls.

Summary:

Fine for a 4mm eyepiece.

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