The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kase 85mm F1.4 and the Fujifilm 50-140mm F2.8 R OI 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. Fujifilm 50-140mm F2.8 R OI is the longer of the two lenses at 176mm. The Kase 85mm F1.4 with a length of 99mm, is 77mm shorter. Besides being longer, the Fujifilm 50-140mm F2.8 R OI also has a larger diameter of 83mm compared to the Kase 85mm F1.4's 82mm diameter.
Below you can find a scaled side-by-side image of Kase 85mm F1.4 and Fujifilm 50-140mm F2.8 R OI to get a better idea of how their sizes compare in real life.
Comparison image of the Kase 85mm F1.4 and the Fujifilm 50-140mm F2.8 R OI 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. Kase 85mm F1.4 weighs 580g, which means it is 415g (41%) lighter than the Fujifilm 50-140mm F2.8 R OI which has a weight of 995g.
Filter Threads
Both the Kase 85mm F1.4 and the Fujifilm 50-140mm F2.8 R OI have the same Filter thread size of 72mm .
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Kase 85mm F1.4 and the Fujifilm 50-140mm F2.8 R OI has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Kase 85mm F1.4 is also available in the Sony E , Nikon Z and Leica L mounts.
Focal Range
Kase 85mm F1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm .
On the other hand, the Fujifilm 50-140mm F2.8 R OI has a focal range of 50-140mm and 2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 75-210mm when used on a APS-C / DX format camera.