The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander Nokton 42.5mm F0.95 and the Kamlan 50mm F1.1 II for their suitability to various photography scenarios:
Size and Weight Comparison
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. Voigtlander Nokton 42.5mm F0.95 weighs 571g, which means it is 29g (4%) lighter than the Kamlan 50mm F1.1 II which has a weight of 600g.
Filter Threads
The Voigtlander Nokton 42.5mm F0.95 has a filter size of 58mm whereas the Kamlan 50mm F1.1 II has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Voigtlander Nokton 42.5mm F0.95:
And these are the 62mm filters that we recommend for the Kamlan 50mm F1.1 II:
Lens Mounts
The Voigtlander Nokton 42.5mm F0.95 has the Micro Four Thirds lens mount whereas the Kamlan 50mm F1.1 II has the Canon EF-M lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-1 II, Panasonic G9 II and OM System OM-5 for the Micro Four Thirds Mount and , and for the Canon EF-M Mount.
Kamlan 50mm F1.1 II is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
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.
On the other hand, the Kamlan 50mm F1.1 II is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.