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Fujifilm X lens

Viltrox AF 28mm F4.5

28 mm, f/4.5, made for full frame. It mounts natively on 13 of our APS-C cameras; on the X-T50 it frames like 42 mm.

  • 28 mm · 42 mm equiv. on X-T50
  • f/4.5
  • No front thread
  • 60 g

Viltrox has not published this lens's size, so we do not draw it.

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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. Viltrox makes this lens for each mount; Viltrox publishes the cameras it supports and lens firmware updates on its own site. It is made for full-frame sensors and covers APS-C with room to spare.

Every camera in our catalogue this lens mounts on: 13
CameraView (35 mm equiv.)With the cameraFit and maker's notes
Fujifilm X-T542 mm617 gFits and works
Fujifilm X-T5042 mm498 gFits and works
Fujifilm X-T30 III42 mm438 gFits 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 II42 mm438 gFits 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-S2042 mm551 gFits and works
Fujifilm X-S1042 mm525 gFits and works
Fujifilm X-M542 mm415 gFits 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-E542 mm505 gFits and works
Fujifilm X-E442 mm424 gFits 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-H242 mm720 gFits and works
Fujifilm X-H2S42 mm720 gFits and works
Fujifilm X-T442 mm667 gFits and works
Fujifilm X-Pro342 mm557 gFits 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

41 mm41 mm42 mm
Highlighted: this lens on the X-T50. A zoom's dashed frame is its longest view.

At its closest it fills the frame of the X-T50 with a subject about 21 cm wide.

On the X-T50, to scale

The maker has not published this lens's length, so the pair is not drawn.

Other standard primes for Fujifilm X

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

Questions about this lens

Which cameras does the Viltrox AF 28mm F4.5 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. It is made for full frame, so it also fits the full-frame cameras on its mount.

What does it frame like on APS-C?

28 mm frames like 42 mm on the X-T50 (1.5x).

What filter size does it take?

No front 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 Viltrox's published figures. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount
Fujifilm X
Made for
Full-frame sensors (covers APS-C too)
Focal length
28 mm
Maximum aperture
f/4.5
Lens stabilisation
No
Weather sealing
No
Filter thread
No front thread
Weight
60 g
Size (diameter × length)
Not published
Closest focus
Not published
Maximum magnification
0.11x
Autofocus
Yes
Announced
2024
Note
Body-cap pancake with a fixed aperture