Standard prime · Medium format

Fujifilm GF55mmF1.7 R WR

The Fujifilm GF55mmF1.7 R WR is a medium format prime lens (55 mm, f/1.7) for Fujifilm G-mount. It belongs to the standard prime class — ideal for street, documentary, everyday and low-light shooting.

55 mmf/1.7Fujifilm G-mount
55 mm
Focal length
f/1.7
Maximum aperture
53°
Diagonal angle of view (Medium format)
Medium format
Designed for

Specifications#

Model
GF55mmF1.7 R WR
Lens type
Standard prime
Focal length
55 mm
Maximum aperture
f/1.7
Image circle
Medium format (43.8×32.9 mm)
Projection
Rectilinear
Lensfun correction profile
Yes — distortion/vignetting/TCA

Equivalent focal length on different cameras#

Field of view and depth-of-field equivalence when this lens is used on bodies with different sensor sizes (natively or via an adapter).

Camera formatAt 55 mmEquiv. aperture (DoF)
Full frame55 mm · 43°f/1.7
APS-C82 mm · 29°f/2.5
APS-C (Canon)88 mm · 27°f/2.7
Micro Four Thirds110 mm · 22°f/3.4
Medium format 44×3343 mm · 53°f/1.3

Depth of field & background blur#

Computed on its native Medium format format (CoC 38 µm). “Blur @2 m” is the size of an out-of-focus point at infinity, as a percentage of frame width, with the subject at 2 m — a simple bokeh index.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
55 mmf/1.74.0 cm16.6 cm1.07 m4.45 m46.9 m2.1%
55 mmf/49.5 cm39.5 cm2.65 m13.3 m20.0 m0.9%
55 mmf/819.2 cm81.3 cm6.59 m9.9 km10.0 m0.4%

Handheld & night-sky limits#

NPF assumes typical 20–24 MP sensors (≈6 µm pixels on full frame, ≈3.9 µm on APS-C, ≈3.3 µm on Micro Four Thirds).

BodyMin. handheld shutter (longest focal)500 rule at 55 mmNPF at 55 mm, f/1.7
Full frame1/60 s9 s4 s
APS-C1/80 s6 s3 s
APS-C (Canon)1/80 s6 s3 s
Micro Four Thirds1/100 s5 s3 s

Frequently asked questions#

Is the Fujifilm GF55mmF1.7 R WR full frame?

No — it is designed for Medium format sensors.

What is the Fujifilm GF55mmF1.7 R WR equivalent to on APS-C?

Its focal length is already the real value for Medium format: 55 mm frames like 43 mm on full frame.

What is the Fujifilm GF55mmF1.7 R WR good for?

As a standard prime it suits street, documentary, everyday and low-light shooting.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources