Fujifilm X lens

Fujifilm XF18mmF1.4 R LM WR

18 mm, f/1.4, made for APS-C. It mounts natively on 13 of our APS-C cameras; on the X-T50 it frames like 27 mm.

18 mm · 27 mm equiv. on X-T50
f/1.4
62 mm filter
370 g
Weather-sealed

75.6 mm long68.8 mm62 mm filter thread

Drawn from Fujifilm's published size: 68.8 × 75.6 mm. Details simplified.

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On your camera

The view, the weight with the camera (battery and card included) and what the maker says about each pair.

Every camera in our catalogue this lens mounts on: 13
Camera	View (35 mm equiv.)	With the camera	Fit and maker's notes
Fujifilm X-T5	27 mm	927 g	Fits and works
Fujifilm X-T50	27 mm	808 g	Fits and works
Fujifilm X-T30 III	27 mm	748 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-T30 II	27 mm	748 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-S20	27 mm	861 g	Fits and works
Fujifilm X-S10	27 mm	835 g	Fits and works
Fujifilm X-M5	27 mm	725 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-E5	27 mm	815 g	Fits and works
Fujifilm X-E4	27 mm	734 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-H2	27 mm	1,030 g	Fits and works
Fujifilm X-H2S	27 mm	1,030 g	Fits and works
Fujifilm X-T4	27 mm	977 g	Fits and works
Fujifilm X-Pro3	27 mm	867 g	Fits and works Native mount: it fits and works. Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.

What it frames

24 mm27 mm27 mm

Highlighted: this lens on the X-T50. A zoom's dashed frame is its longest view.

At its closest (20 cm from the sensor) it fills the frame of the X-T50 with a subject about 16 cm wide.

On the X-T50, to scale

Side view drawn from the published depth of the camera and length of the lens. 808 g together.

Every lens with a 62 mm thread

Other wide primes for Fujifilm X

The nearest in focal length, with the numbers that differ.

Fujifilm XF18mmF2 R27 mm equiv. · f/2 · 116 g (−254 g) · 52 mmCompare
Fujifilm XF16mmF1.4 R WR24 mm equiv. · f/1.4 · 375 g (+5 g) · 67 mmCompare
Fujifilm XF16mmF2.8 R WR24 mm equiv. · f/2.8 · 155 g (−215 g) · 49 mmCompare
Sigma 16mm F1.4 DC DN Contemporary24 mm equiv. · f/1.4 · 415 g (+45 g) · 67 mmCompare
Fujifilm XF14mmF2.8 R21 mm equiv. · f/2.8 · 235 g (−135 g) · 58 mmCompare
Viltrox AF 13mm F1.420 mm equiv. · f/1.4 · 420 g (+50 g) · 67 mmCompare

Questions about this lens

Which cameras does the Fujifilm XF18mmF1.4 R LM WR fit?

13 APS-C cameras in our catalogue: X-T5, X-T50, X-T30 III, X-T30 II, X-S20, X-S10, X-M5, X-E5, X-E4, X-H2, X-H2S, X-T4, X-Pro3.

What does it frame like on APS-C?

18 mm frames like 27 mm on the X-T50 (1.5x).

What filter size does it take?

62 mm screw-in filters. Every lens with a 62 mm thread.

Where these facts come from

Facts checked 9 Oct 2026 against the makers' specification pages. How we check

Size, weight, filter thread, close focus and magnification are Fujifilm's published figures. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount: Fujifilm X
Made for: APS-C sensors
Focal length: 18 mm
Maximum aperture: f/1.4
Lens stabilisation: No
Weather sealing: Yes, per the maker
Filter thread: 62 mm
Weight: 370 g
Size (diameter × length): 68.8 × 75.6 mm
Closest focus: 20 cm
Maximum magnification: 0.15x
Autofocus: Yes
Announced: 2021