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Leica Tri-Elmar-M 16-18-21mm f/4 ASPH

Leica M-Mount

Leica Tri-Elmar-M 16-18-21mm f/4 ASPH

Focal length
16–21 mm
Aperture
f/4
Weight
335 g
Filter diameter
67 mm
Min. focus distance
50 cm
Length
72 mm
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At a Glance

This Leica M lens for full frame offers three focal lengths, 16, 18 and 21 mm, in one body. The f/4 aperture stays constant, and at 335 g it is compact. Focusing is manual only, with a minimum focus distance of 0.5 m. It fits landscape, architecture, interiors and travel.

Good for

  • Landscape
  • Architecture
  • Interiors
  • Travel

Worth knowing

  • 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
16 mm
Max. focal length
21 mm
Max. aperture (min. zoom)
f/4
Max. aperture (max. zoom)
f/4
Min. aperture
f/22
Elements
10
Groups
7
Weight
335 g (0.74 lb)
Filter diameter
67 mm
Min. focus distance
50 cm (19.69 in)
Length
72 mm (2.83 in)
Diameter
54 mm (2.13 in)

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

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Compare with other lenses

Which cameras does the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH fit?

The Leica Tri-Elmar-M 16-18-21mm f/4 ASPH is a full-frame lens for Leica M-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Leica M-Mount cameras its field of view equals 24-32 mm in full-frame terms.

Leica M-Mount cameras

Full frame:
Leica M EV1,Pixii Max,Leica M11-D,Leica M11-P,Leica M11 Monochrom,Leica M11,Leica M10-R,Leica M10 Monochrom,Leica M-E (Typ 240),Leica M10-P,Leica M10-D,Leica M10,Leica M-D (Typ 262),Leica M (Typ 262),Leica M Monochrom (Typ 246),Leica M Edition 60,Leica M-P (Typ 240),Leica M (Typ 240),Leica M-E (Typ 220),Leica M Monochrom (Typ 230),Leica M9-P,Leica M9
APS-C:
Pixii+ (A2572+),Pixii (A2572),Pixii (A1571),Pixii (A1112)

With the Leica M-Adapter L the lens can also be used on Leica L-Mount cameras.

Leica Tri-Elmar-M 16-18-21mm f/4 ASPH compared

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

LensLeica Tri-Elmar-M 16-18-21mm f/4 ASPHVenus Laowa 12-24mm f/5.6Carl Zeiss Distagon T* 4/18 ZMVoigtlander 21mm F4 Color Skopar Pancake II
Focal length16-21 mm12-24 mm18 mm21 mm
Max. aperturef/4f/5.6f/4f/4
Weight335 g497 g350 g136 g
Filter diameter67 mm77 mm58 mm39 mm
Min. focus distance50 cm15 cm50 cm50 cm
Length72 mm84 mm71 mm25.4 mm
Autofocusnononono
Image stabilizationnononono
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Leica Tri-Elmar-M 16-18-21mm f/4 ASPH: FAQ

Does the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH have autofocus?

No, the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH has no autofocus; you focus it manually.

Does the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH have image stabilization?

No, the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH weigh?

The Leica Tri-Elmar-M 16-18-21mm f/4 ASPH weighs 335 g. It is 72 mm long with a diameter of 54 mm.

What filter size does the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH use?

The Leica Tri-Elmar-M 16-18-21mm f/4 ASPH takes 67 mm screw-in filters.

How close can the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH focus?

The minimum focus distance of the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH is 50 cm, measured from the sensor plane.

Is the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH a full-frame lens?

Yes, the Leica Tri-Elmar-M 16-18-21mm f/4 ASPH covers full frame. On APS-C cameras its field of view equals 24-32 mm in full-frame terms.

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