The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM ED 20mm F1.4 Pro and the Voigtlander Nokton 25mm F0.95 Type II for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Voigtlander Nokton 25mm F0.95 Type II is the longer of the two lenses at 70mm. The OM ED 20mm F1.4 Pro with a length of 62mm is 8mm shorter. On the other hand, the OM ED 20mm F1.4 Pro has a larger diameter of 63mm compared to Voigtlander Nokton 25mm F0.95 Type II's 61mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. OM ED 20mm F1.4 Pro weighs 247g, which means it is 188g (43%) lighter than the Voigtlander Nokton 25mm F0.95 Type II which has a weight of 435g.
Lens Mounts
Both OM ED 20mm F1.4 Pro and Voigtlander Nokton 25mm F0.95 Type II has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-5, Panasonic GH6 and OM System OM-1.
Focal Range
OM ED 20mm F1.4 Pro is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of 40mm when used on a FourThirds format camera. Voigtlander Nokton 25mm F0.95 Type II is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of 50mm when used on a FourThirds format camera.