The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujinon MK 50-135mm T2.9 and the Sigma 60mm F2.8 DN 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 60mm F2.8 DN with a length of 56mm, is 150mm shorter. Besides being longer, the Fujinon MK 50-135mm T2.9 also has a larger diameter of 85mm compared to the Sigma 60mm F2.8 DN's 61mm 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 60mm F2.8 DN weighs 190g, 80% (790g) lighter than the Fujinon MK 50-135mm T2.9's weight of 980g.
Filter Threads
The Fujinon MK 50-135mm T2.9 has a filter size of 82mm whereas the Sigma 60mm F2.8 DN 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 82mm filters that we recommend you to consider for the Fujinon MK 50-135mm T2.9:
And these are the 46mm filters that we recommend for the Sigma 60mm F2.8 DN:
Lens Mounts
Both the Fujinon MK 50-135mm T2.9 and the Sigma 60mm F2.8 DN 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.
Sigma 60mm F2.8 DN is also available in Micro Four Thirds mount.
Focal Range
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.
On the other hand, the Sigma 60mm F2.8 DN is a prime lens with fixed focal lenght of 60mm which has an effective (full-frame 35mm equivalent) focal range of 90mm when used on a APS-C / DX format camera.
