The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic Leica 12-35mm F2.8 and the Voigtlander Nokton 42.5mm F0.95 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 42.5mm F0.95 is the longer of the two lenses at 75mm. The Panasonic Leica 12-35mm F2.8 with a length of 74mm, is 1mm shorter. On the other hand, the Panasonic Leica 12-35mm F2.8 has a larger diameter of 68mm compared to the Voigtlander Nokton 42.5mm F0.95's 64mm 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. Panasonic Leica 12-35mm F2.8 weighs 306g, which means it is 265g (46%) lighter than the Voigtlander Nokton 42.5mm F0.95 which has a weight of 571g.
Filter Threads
Both the Panasonic Leica 12-35mm F2.8 and the Voigtlander Nokton 42.5mm F0.95 have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Panasonic Leica 12-35mm F2.8 and the Voigtlander Nokton 42.5mm F0.95 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-3 Astro, OM System OM-5 II and OM System OM-3.
Focal Range
Panasonic Leica 12-35mm F2.8 has a focal range of 12-35mm and
2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-70mm when used on a FourThirds format camera.
On the other hand, the Voigtlander Nokton 42.5mm F0.95 is a prime lens with fixed focal lenght of 43mm which has an effective (full-frame 35mm equivalent) focal range of 86mm when used on a FourThirds format camera.