Fujifilm GF45-100mmF4 R LM OIS WR is listed for Fujifilm G with Medium format coverage. Its verified front filter size is Ø82 mm. The supplied research links this exact mount variant to manufacturer evidence. Body-specific AF, crop and adapter behavior remain separate checks.
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Verified specifications
| Field | Value |
|---|---|
| Mount | Fujifilm G |
| Image format | Medium format |
| Front filter thread | Ø82 mm |
| Model ID | fujifilm-gf45-100mmf4-r-lm-ois-wr-fujifilm-g |
| Focal length | 45–100 mm |
| Maximum aperture | f/4 |
| Filter attachment type | screw_in |
| Weight | 35.5 oz (approx.; 1005 g maker value) |
| Length | 5.69 in (approx.; 144.5 mm maker value) |
| Maximum barrel diameter | 93 mm |
| Maximum magnification | 0.13× |
| Optical stabilization | Maker states yes |
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Compare the exact model code and rear mount in each listing. Amazon results may contain another mount or generation; the search is not a compatibility verdict.
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Search camera lenses on AmazonChoosing a camera
Look for the Fujifilm G designation on the camera specification, then verify the exact model code and mount variant against its support page. The maker lists a 45–100 mm focal range and f/4 maximum aperture. A physical mount match is a starting point; still AF, movie AF, crop behavior, stabilization and firmware need separate checks.
Choosing a filter
A circular screw-in filter with a matching documented thread size is only a mechanical candidate. Magnetic filters, wide frames and stacked rings need separate system and vignetting checks. When no front thread is specified, do not buy a size from the focal length or barrel diameter.
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Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.