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 Samsung 50-150mm F2.8 S 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 Samsung 50-150mm F2.8 S with a length of 154mm, is 22mm shorter. Besides being longer, the Fujifilm 50-140mm F2.8 R OI also has a larger diameter of 83mm compared to the Samsung 50-150mm F2.8 S's 81mm 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. Samsung 50-150mm F2.8 S weighs 920g, 7% (75g) lighter than the Fujifilm 50-140mm F2.8 R OI's weight of 995g.
Filter Threads
Both the Fujifilm 50-140mm F2.8 R OI and the Samsung 50-150mm F2.8 S 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
The Fujifilm 50-140mm F2.8 R OI has the Fujifilm X lens mount whereas the Samsung 50-150mm F2.8 S has the Samsung NX 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 Samsung NX1, Samsung NX3000 and Samsung NX30 for the Samsung NX 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 Samsung 50-150mm F2.8 S has a focal range of 50-150mm and 3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 75-225mm when used on a APS-C / DX format camera.