The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander Nokton 25mm F0.95 and the Olympus M 25mm F1.8 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Voigtlander Nokton 25mm F0.95 is the longer of the two lenses at 70mm. The Olympus M 25mm F1.8 with a length of 41mm, is 29mm shorter. Besides being longer, the Voigtlander Nokton 25mm F0.95 also has a larger diameter of 58mm compared to the Olympus M 25mm F1.8's 56mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Olympus M 25mm F1.8 weighs 136g, 66% (274g) lighter than the Voigtlander Nokton 25mm F0.95's weight of 410g.
Filter Threads
The Voigtlander Nokton 25mm F0.95 has a filter size of 52mm whereas the Olympus M 25mm F1.8 has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Voigtlander Nokton 25mm F0.95:
And these are the 46mm filters that we recommend for the Olympus M 25mm F1.8:
Lens Mounts
Both the Voigtlander Nokton 25mm F0.95 and the Olympus M 25mm F1.8 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-1 II, Panasonic G9 II and OM System OM-5.
Focal Range
Both lenses have the same focal range of
25mm but while Voigtlander Nokton 25mm F0.95 has the fastest aperture of
F0.95, the Olympus M 25mm F1.8's widest aperture value is
F1.8.