Test Results

Art.–Nr. TS-PL-20

TS Ploessl 20mm

Sharpness:

Very good sharpness within 30° field of view. Towards the edge not convincing.

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

Apparent Field of View:

The apparent field of view is approx. 45°

Contrast:

Very good contrast because of good multicoating and use of just four lenses.

Aberration:

Very slight cushion distortion.

Eye Relief:

Comfortable.

Mechanical Quality:

Simple, but not bad. Unfortunately no blackened filter thread.

Summary:

Very good and inexpensive Ploessl. Just a small minus for insufficient edge sharpness.

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