The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 90mm F3.5 SL II and the Leica Summarit-M 90mm f2.5 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. Leica Summarit-M 90mm f2.5 is the longer of the two lenses at 67mm. The Voigtlander 90mm F3.5 SL II with a length of 52mm, is 15mm shorter. On the other hand, the Voigtlander 90mm F3.5 SL II has a larger diameter of 63mm compared to the Leica Summarit-M 90mm f2.5's 55mm 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 90mm F3.5 SL II weighs 320g, which means it is 40g (11%) lighter than the Leica Summarit-M 90mm f2.5 which has a weight of 360g.
Filter Threads
The Voigtlander 90mm F3.5 SL II has a filter size of 52mm whereas the Leica Summarit-M 90mm f2.5 has a 46mm 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 90mm F3.5 SL II:
And these are the 46mm filters that we recommend for the Leica Summarit-M 90mm f2.5:
Lens Mounts
The Voigtlander 90mm F3.5 SL II has the Pentax KAF lens mount whereas the Leica Summarit-M 90mm f2.5 has the Leica M lens mount. Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount.
Voigtlander 90mm F3.5 SL II is also available in the Canon EF and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
90mm but while Voigtlander 90mm F3.5 SL II has the fastest aperture of
F3.5, the Leica Summarit-M 90mm f2.5's widest aperture value is
F2.5.