The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 18-120mm F4 and the Fujifilm 55-200mm F3.5-4.8 R LM 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 XF 18-120mm F4 is the longer of the two lenses at 124mm. The Fujifilm 55-200mm F3.5-4.8 R LM OIS with a length of 118mm, is 6mm shorter. Besides being longer, the Fujifilm XF 18-120mm F4 also has a larger diameter of 77mm compared to the Fujifilm 55-200mm F3.5-4.8 R LM OIS's 75mm diameter.
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Below you can find a scaled side-by-side image of Fujifilm XF 18-120mm F4 and Fujifilm 55-200mm F3.5-4.8 R LM OIS to get a better idea of how their sizes compare in real life.
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 XF 18-120mm F4 weighs 460g, which means it is 120g (20%) lighter than the Fujifilm 55-200mm F3.5-4.8 R LM OIS which has a weight of 580g.
Filter Threads
The Fujifilm XF 18-120mm F4 has a filter size of 72mm whereas the Fujifilm 55-200mm F3.5-4.8 R LM OIS has a 62mm 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 XF 18-120mm F4:
And these are the 62mm filters that we recommend for the Fujifilm 55-200mm F3.5-4.8 R LM OIS:
Lens Mounts
Both the Fujifilm XF 18-120mm F4 and the Fujifilm 55-200mm F3.5-4.8 R LM 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-S20, Fujifilm X-T5 and Fujifilm X-H2.
Focal Range
Fujifilm XF 18-120mm F4 has a focal range of 18-120mm and
6.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-180mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm 55-200mm F3.5-4.8 R LM OIS has a focal range of 55-200mm and 3.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 82.5-300mm when used on a APS-C / DX format camera.