The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 56mm F1.4 C 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 Sigma 56mm F1.4 C with a length of 60mm, is 15mm shorter. On the other hand, the Sigma 56mm F1.4 C has a larger diameter of 67mm 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. Sigma 56mm F1.4 C weighs 280g, which means it is 291g (50%) lighter than the Voigtlander Nokton 42.5mm F0.95 which has a weight of 571g.
Filter Threads
The Sigma 56mm F1.4 C has a filter size of 55mm whereas the Voigtlander Nokton 42.5mm F0.95 has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Sigma 56mm F1.4 C:
And these are the 58mm filters that we recommend for the Voigtlander Nokton 42.5mm F0.95:
Lens Mounts
The Sigma 56mm F1.4 C has the Fujifilm X lens mount whereas the Voigtlander Nokton 42.5mm F0.95 has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Sigma 56mm F1.4 C is also available in the Nikon Z and Canon RF mounts.
Focal Range
Sigma 56mm F1.4 C is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of
84mm when used on a APS-C / DX 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.
