The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander SEPTON 40mm f2 and the Venus 33mm F0.95 CF APO 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. Venus 33mm F0.95 CF APO is the longer of the two lenses at 83mm. The Voigtlander SEPTON 40mm f2 with a length of 32mm, is 51mm shorter. Besides being longer, the Venus 33mm F0.95 CF APO also has a larger diameter of 72mm compared to the Voigtlander SEPTON 40mm f2's 68mm 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. Voigtlander SEPTON 40mm f2 weighs 205g, which means it is 385g (65%) lighter than the Venus 33mm F0.95 CF APO which has a weight of 590g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Nikon Z Mount for size comparison purposes.
Standard Lenses in Nikon Z Mount for Size Comparison
Filter Threads
The Voigtlander SEPTON 40mm f2 has a filter size of 52mm whereas the Venus 33mm F0.95 CF APO 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 52mm filters that we recommend you to consider for the Voigtlander SEPTON 40mm f2:
And these are the 62mm filters that we recommend for the Venus 33mm F0.95 CF APO:
Lens Mounts
Both the Voigtlander SEPTON 40mm f2 and the Venus 33mm F0.95 CF APO has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Voigtlander SEPTON 40mm f2 is also available in the Sony E mount.
Venus 33mm F0.95 CF APO is also available in Four Thirds and Fujifilm X mounts.
Focal Range
Voigtlander SEPTON 40mm f2 is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
60mm.
On the other hand, the Venus 33mm F0.95 CF APO is a prime lens with fixed focal lenght of 33mm which has an effective (full-frame 35mm equivalent) focal range of 49.5mm when used on a APS-C / DX format camera.