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 Fujifilm 18-135mm F3.5-5.6 R OIS 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 Fujifilm 18-135mm F3.5-5.6 R OIS with a length of 98mm, is 78mm shorter. Besides being longer, the Fujifilm 50-140mm F2.8 R OI also has a larger diameter of 83mm compared to the Fujifilm 18-135mm F3.5-5.6 R OIS's 76mm diameter.
Below you can find a scaled side-by-side image of Fujifilm 50-140mm F2.8 R OI and Fujifilm 18-135mm F3.5-5.6 R OIS to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm 50-140mm F2.8 R OI and the Fujifilm 18-135mm F3.5-5.6 R OIS 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. Fujifilm 18-135mm F3.5-5.6 R OIS weighs 490g, 50% (505g) 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 Fujifilm 18-135mm F3.5-5.6 R OIS 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 Fujifilm 18-135mm F3.5-5.6 R OIS:
Lens Mounts
Both the Fujifilm 50-140mm F2.8 R OI and the Fujifilm 18-135mm F3.5-5.6 R OIS 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 .
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 Fujifilm 18-135mm F3.5-5.6 R OIS has a focal range of 18-135mm and 7.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-202.5mm when used on a APS-C / DX format camera.
