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 Tamron 35-100mm F2.8 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. Tamron 35-100mm F2.8 is the longer of the two lenses at 119mm. The Voigtlander SEPTON 40mm f2 with a length of 32mm, is 87mm shorter. Besides being longer, the Tamron 35-100mm F2.8 also has a larger diameter of 81mm 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 360g (63%) lighter than the Tamron 35-100mm F2.8 which has a weight of 565g.
Filter Threads
The Voigtlander SEPTON 40mm f2 has a filter size of 52mm whereas the Tamron 35-100mm F2.8 has a 67mm 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 67mm filters that we recommend for the Tamron 35-100mm F2.8:
Lens Mounts
The Voigtlander SEPTON 40mm f2 has the Nikon Z lens mount whereas the Tamron 35-100mm F2.8 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Voigtlander SEPTON 40mm f2 is also available in the Sony E mount.
Tamron 35-100mm F2.8 is also available in Nikon Z mount.
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 Tamron 35-100mm F2.8 has a focal range of 35-100mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 52.5 - 150mm.
