The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm GF 45-100mm F4 R LM OIS WR and the Fujifilm GF 100-200mm F5.6 R LM OIS WR 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 GF 100-200mm F5.6 R LM OIS WR is the longer of the two lenses at 183mm. The Fujifilm GF 45-100mm F4 R LM OIS WR with a length of 145mm, is 38mm shorter. On the other hand, the Fujifilm GF 45-100mm F4 R LM OIS WR has a larger diameter of 93mm compared to the Fujifilm GF 100-200mm F5.6 R LM OIS WR's 90mm diameter.
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Below you can find a scaled side-by-side image of Fujifilm GF 45-100mm F4 R LM OIS WR and Fujifilm GF 100-200mm F5.6 R LM OIS WR 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 GF 45-100mm F4 R LM OIS WR weighs 1005g, which means it is 45g (4%) lighter than the Fujifilm GF 100-200mm F5.6 R LM OIS WR which has a weight of 1050g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Fujifilm G Mount for size comparison purposes.
Telephoto Lenses in Fujifilm G Mount for Size Comparison
Filter Threads
The Fujifilm GF 45-100mm F4 R LM OIS WR has a filter size of 82mm whereas the Fujifilm GF 100-200mm F5.6 R LM OIS WR 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 82mm filters that we recommend you to consider for the Fujifilm GF 45-100mm F4 R LM OIS WR:
And these are the 67mm filters that we recommend for the Fujifilm GF 100-200mm F5.6 R LM OIS WR:
Lens Mounts
Both the Fujifilm GF 45-100mm F4 R LM OIS WR and the Fujifilm GF 100-200mm F5.6 R LM OIS WR has the same Fujifilm G lens mount. Some of the latest released cameras that are compatible with the Fujifilm G lenses are Fujifilm GFX 100 II, Fujifilm GFX 50S II and Fujifilm GFX 100S.
Focal Range
Fujifilm GF 45-100mm F4 R LM OIS WR has a focal range of 45-100mm and
2.2X zoom ratio .
On the other hand, the Fujifilm GF 100-200mm F5.6 R LM OIS WR has a focal range of 100-200mm and 2.0X zoom ratio .