The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 50-140mm F2.8 R OI and the Nikon 70-200mm f4G ED VR 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. Nikon 70-200mm f4G ED VR is the longer of the two lenses at 179mm. The Fujifilm 50-140mm F2.8 R OI with a length of 176mm, is 3mm shorter. On the other hand, the Fujifilm 50-140mm F2.8 R OI has a larger diameter of 83mm compared to the Nikon 70-200mm f4G ED VR's 78mm 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. Nikon 70-200mm f4G ED VR weighs 850g, 14% (145g) lighter than the Fujifilm 50-140mm F2.8 R OI's weight of 995g.
Filter Threads
The Fujifilm 50-140mm F2.8 R OI has a filter size of 72mm whereas the Nikon 70-200mm f4G ED VR 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 72mm filters that we recommend you to consider for the Fujifilm 50-140mm F2.8 R OI:
And these are the 67mm filters that we recommend for the Nikon 70-200mm f4G ED VR:
Lens Mounts
The Fujifilm 50-140mm F2.8 R OI has the Fujifilm X lens mount whereas the Nikon 70-200mm f4G ED VR has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2 for the Fujifilm X Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Focal Range
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.
On the other hand, the Nikon 70-200mm f4G ED VR has a focal range of 70-200mm 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 105 - 300mm.