Art. –Nr. RE-UWA-15
Ultra Wide Angle 15mm
Sharpness:
Very good at the center, but towards the edges at things turn worse.
x-axis: distance from optical
axis in °, y-axis: resolution in arc minutes
Apparent Field of View:
Our measurement gives 75° - somewhat less than the manufacturer data.
Contrast:
Very good contrast.
Aberration:
Slight cushion distortion, noticeable field curvature.
Eye Relief:
Short eye relief. Do not use if you wear eye glasses.
Mechanical Quality:
Simple, but good quality with rubber eye guard, grip coated body. Fully
multicoated and blackened inside.
Summary:
Not too bad for the price. 2” are not really necessary at this focal
length, but may be comfortable when switching between long and medium focal
length.