The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 135mm F1.4 and the Fujinon MK 50-135mm T2.9 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. Fujinon MK 50-135mm T2.9 is the longer of the two lenses at 206mm. The Sigma 135mm F1.4 with a length of 138mm, is 68mm shorter. On the other hand, the Sigma 135mm F1.4 has a larger diameter of 112mm compared to the Fujinon MK 50-135mm T2.9's 85mm diameter.
Below you can find a scaled side-by-side image of Sigma 135mm F1.4 and Fujinon MK 50-135mm T2.9 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 135mm F1.4 and the Fujinon MK 50-135mm T2.9 Size and Weight 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. Fujinon MK 50-135mm T2.9 weighs 980g, 30% (440g) lighter than the Sigma 135mm F1.4's weight of 1420g.
Filter Threads
The Sigma 135mm F1.4 has a filter size of 105mm whereas the Fujinon MK 50-135mm T2.9 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sigma 135mm F1.4:
And these are the 82mm filters that we recommend for the Fujinon MK 50-135mm T2.9:
Lens Mounts
Both the Sigma 135mm F1.4 and the Fujinon MK 50-135mm T2.9 has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Sigma 135mm F1.4 is a prime lens with fixed focal lenght of 135mm.
On the other hand, the Fujinon MK 50-135mm T2.9 has a focal range of 50-135mm and 2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75 - 202.5mm .
