KIPON Ibelux 40mm f/0.85 Mark III

Focal length: 40 mm
Aperture: f/0.85
Weight: 1150 g
Filter diameter: 67 mm
Min. focus distance: 75 cm
Length: 128 mm

At a Glance

On Fujifilm X with an APS-C sensor, this lens becomes a manual standard prime equal to 60 mm on full frame. The f/0.85 aperture gathers a lot of light and gives very shallow depth of field. At 1.15 kg it is heavy. It focuses down to 75 cm and suits everyday shooting, street work and low light.

Good for

Everyday
Street
Low light

Worth knowing

No autofocus: focusing is manual only.
At 1.2 kg it is heavy: a monopod or tripod helps for longer sessions.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 40 mm
Max. focal length: 40 mm
Max. aperture (min. zoom): f/0.85
Max. aperture (max. zoom): f/0.85
Min. aperture: f/22
Elements: 10
Groups: 8
Weight: 1,150 g (2.54 lb)
Filter diameter: 67 mm
Min. focus distance: 75 cm (29.53 in)
Length: 128 mm (5.04 in)
Diameter: 74 mm (2.91 in)

Manufacturer data: kipon.com, kipon.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the KIPON Ibelux 40mm f/0.85 Mark III fit?

The KIPON Ibelux 40mm f/0.85 Mark III fits all Fujifilm X-Mount cameras. There its field of view equals 60 mm in full-frame terms (crop factor 1.5).

Fujifilm X-Mount cameras

APS-C:: Fujifilm X-T30 III,Fujifilm X-E5,Fujifilm X-M5,Fujifilm X-T50,Fujifilm X-S20,Fujifilm X-T5,Fujifilm X-H2,Fujifilm X-H2S,Fujifilm X-T30 II,Fujifilm X-E4,Fujifilm X-S10,Fujifilm X-T4,Fujifilm X-T200,Fujifilm X-Pro3,Fujifilm X-A7,Fujifilm X-T30,Fujifilm X-T3,Fujifilm X-T100,Fujifilm X-H1,Fujifilm X-A5,Fujifilm X-E3,Fujifilm X-T20,Fujifilm X-A10,Fujifilm X-A3,Fujifilm X-T2,Fujifilm X-E2S,Fujifilm X-Pro2,Fujifilm X-T1 IR,Fujifilm X-T10,Fujifilm X-A2,Fujifilm X-T1,Fujifilm X-E2,Fujifilm X-A1,Fujifilm X-M1,Fujifilm X-E1,Fujifilm X-Pro1