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Sigma 40mm F1.4 DG HSM Art

Leica L-Mount Autofocus

Sigma 40mm F1.4 DG HSM Art

Focal length
40 mm
Aperture
f/1.4
Weight
1295 g
Filter diameter
82 mm
Min. focus distance
40 cm
Length
155 mm
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At a Glance

With an f/1.4 aperture and weather sealing, this 40 mm lens for L-Mount and full frame covers street, reportage and everyday work. It is heavy at 1.3 kg. A brass mount and a nine-blade rounded diaphragm are part of the design. A hyper sonic motor drives the autofocus. The minimum focus distance is 40 cm.

Good for

  • Street
  • Reportage
  • Everyday

Worth knowing

  • At 1.3 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

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Min. focal length
40 mm
Max. focal length
40 mm
Max. aperture (min. zoom)
f/1.4
Max. aperture (max. zoom)
f/1.4
Min. aperture
f/16
Elements
16
Groups
12
Weight
1,295 g (2.85 lb)
Filter diameter
82 mm
Min. focus distance
40 cm (15.75 in)
Max. magnification
1:6.5 (0.15×)
Length
155 mm (6.1 in)
Diameter
87.8 mm (3.46 in)

Manufacturer data: sigma-global.com, sigmaphoto.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 Sigma 40mm F1.4 DG HSM Art fit?

The Sigma 40mm F1.4 DG HSM Art is a full-frame lens for L-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C L-Mount cameras its field of view equals 60 mm in full-frame terms.

L-Mount cameras

Full frame:
Leica SL3-P,Leica SL3-S,Sigma BF,Panasonic Lumix S1II,Panasonic Lumix S1IIE,Panasonic Lumix S1RII,Leica SL3,Panasonic Lumix S9,Blackmagic PYXIS 6K,Panasonic Lumix S5II,Panasonic Lumix S5IIX,Blackmagic Cinema Camera 6K,Panasonic Lumix BS1H,Leica SL2-S,Panasonic Lumix S5,Sigma fp L,Leica SL2,Panasonic Lumix S1,Panasonic Lumix S1R,Panasonic Lumix S1H,Sigma fp,Leica SL (Typ 601)
APS-C:
Leica CL,Leica TL2,Leica TL,Leica T (Typ 701)

Sigma 40mm F1.4 DG HSM Art compared

Key specs side by side with the most similar L-Mount lenses.

LensSigma 40mm F1.4 DG HSM ArtTTArtisan AF 40mm f/2Panasonic Lumix S 40mm F2Sigma 35mm F1.4 DG DN Art
Focal length40 mm40 mm40 mm35 mm
Max. aperturef/1.4f/2f/2f/1.4
Weight1,295 g–144 g645 g
Filter diameter82 mm52 mm62 mm67 mm
Min. focus distance40 cm40 cm30 cm30 cm
Length155 mm–40.9 mm109.5 mm
Autofocusyesyesyesyes
Image stabilizationnononono
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Sigma 40mm F1.4 DG HSM Art: FAQ

Does the Sigma 40mm F1.4 DG HSM Art have autofocus?

Yes, the Sigma 40mm F1.4 DG HSM Art has autofocus.

Does the Sigma 40mm F1.4 DG HSM Art have image stabilization?

No, the Sigma 40mm F1.4 DG HSM Art has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Sigma 40mm F1.4 DG HSM Art weigh?

The Sigma 40mm F1.4 DG HSM Art weighs 1,295 g. It is 155 mm long with a diameter of 87.8 mm.

What filter size does the Sigma 40mm F1.4 DG HSM Art use?

The Sigma 40mm F1.4 DG HSM Art takes 82 mm screw-in filters.

How close can the Sigma 40mm F1.4 DG HSM Art focus?

The minimum focus distance of the Sigma 40mm F1.4 DG HSM Art is 40 cm, measured from the sensor plane.

Is the Sigma 40mm F1.4 DG HSM Art a full-frame lens?

Yes, the Sigma 40mm F1.4 DG HSM Art covers full frame. On APS-C cameras its field of view equals 60 mm in full-frame terms.

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