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KIPON Ibelux 40mm f/0.85 Mark III

Canon RF

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
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At a Glance

For Canon RF with an APS-C sensor, this KIPON is a manual short telephoto prime equal to 64 mm on full frame. The f/0.85 aperture allows very short shutter times and extremely shallow depth of field, which suits portraits. The lens is heavy at 1.15 kg. It focuses down to 75 cm.

Good for

  • Portraits

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
  • No autofocus: focusing is manual only.

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

Technical Specifications

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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 is designed for APS-C sensors. On APS-C Canon RF cameras its field of view equals 64 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Canon RF cameras

Full frame (in APS-C mode):
Canon EOS R8 Mark II,Canon EOS R6 V,Canon EOS R6 Mark III,Canon EOS C50,Canon EOS R1,Canon EOS R5 Mark II,Canon EOS C400,Canon EOS C80,Canon EOS R8,Canon EOS R6 Mark II,Canon EOS R5 C,Canon EOS R3,Canon EOS R5,Canon EOS R6,Canon EOS Ra,Canon EOS RP,Canon EOS R
APS-C:
Canon EOS R50 V,Canon EOS R100,Canon EOS R50,Canon EOS R7,Canon EOS R10,Canon EOS C70

KIPON Ibelux 40mm f/0.85 Mark III compared

Key specs side by side with the most similar Canon RF lenses.

LensKIPON Ibelux 40mm f/0.85 Mark IIISG-image MF 35mm F0.95SG-image MF 35mm F1.2Voigtlander 40mm F1.2 Nokton
Focal length40 mm35 mm35 mm40 mm
Max. aperturef/0.85f/0.95f/1.2f/1.2
Weight1,150 g393 g200 g400 g
Filter diameter67 mm52 mm46 mm58 mm
Min. focus distance75 cm35 cm40 cm30 cm
Length128 mm62 mm33 mm56.4 mm
Autofocusnononono
Image stabilizationnononono
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KIPON Ibelux 40mm f/0.85 Mark III: FAQ

Does the KIPON Ibelux 40mm f/0.85 Mark III have autofocus?

No, the KIPON Ibelux 40mm f/0.85 Mark III has no autofocus; you focus it manually.

Does the KIPON Ibelux 40mm f/0.85 Mark III have image stabilization?

No, the KIPON Ibelux 40mm f/0.85 Mark III has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the KIPON Ibelux 40mm f/0.85 Mark III weigh?

The KIPON Ibelux 40mm f/0.85 Mark III weighs 1,150 g. It is 128 mm long with a diameter of 74 mm.

What filter size does the KIPON Ibelux 40mm f/0.85 Mark III use?

The KIPON Ibelux 40mm f/0.85 Mark III takes 67 mm screw-in filters.

How close can the KIPON Ibelux 40mm f/0.85 Mark III focus?

The minimum focus distance of the KIPON Ibelux 40mm f/0.85 Mark III is 75 cm, measured from the sensor plane.

Is the KIPON Ibelux 40mm f/0.85 Mark III a full-frame lens?

No, the KIPON Ibelux 40mm f/0.85 Mark III is an APS-C lens. On APS-C cameras its field of view equals 64 mm in full-frame terms.

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