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Leica·CW ID: 823·MFR ID: 11145

M 21mm f3.4 ASPH

Name: Leica M 21mm f3.4 ASPH
Brand: Leica
SKU: 823
Price: 4000.0 USD
Availability: InStock
Rating: 5.0 (1 reviews)

$4,000.00

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Brand Leica System Leica M

The Leica Super-Elmar-M 21mm f/3.4 ASPH is a compact, lightweight wide-angle for the M-System, delivering a virtually distortion-free 91-degree view with uniform edge-to-edge sharpness. An 8-element design with an aspherical element and anomalous-partial-dispersion glass keeps color aberrations in check even on high-contrast subjects.

For architecture, street, and landscape work on your M, this is the wide-angle we recommend when size and precision matter. Come try it in the shop, and our team can help you match it to your body.

Buy from an authorized Leica dealer like Camera West to ensure a genuine product with full manufacturer warranty and expert support.

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Compact wide-angle prime for the M-System
91-degree diagonal angle of view
8 elements in 7 groups, 1 aspherical element (2 surfaces)
Anomalous-partial-dispersion glass for color correction
Virtually distortion-free with uniform edge sharpness
Click-stop diaphragm with half stops, to f/16
Closest focusing distance 0.7 m
Leica M bayonet with 6-bit encoding
E46 filter thread
Screw-on metal lens hood included
Lightweight (approx. 10.5 oz / 300 g)
Made in Germany

Scope of Delivery:

Lens
Front lens cap
Rear lens cap M
Screw-on metal lens hood

Limited Warranty:

The lens carries Leica's limited warranty from the date of purchase at an authorized Leica dealer, including accessories in their original packaging. Registering a Leica Account extends coverage by an additional 12 months. Purchasing from an authorized dealer such as Camera West ensures your lens is a genuine, warranty-eligible product backed by Leica's official service network.

General

Designation: Leica Super-Elmar-M 21 f/3.4 ASPH. (Order no. 11145)

Lens type: Wide-angle prime lens for the Leica M-System

Lens mount: Leica M bayonet with 6-bit encoding

Weight: Approx. 300 g (10.5 oz)

Optical Design

Focal length: 21 mm

Aperture range: f/3.4 to f/16

Elements / groups: 8 / 7

Aspherical surfaces: 2

Angle of view: 91° / 80° / 59° (diag./horiz./vert.), full-frame

Focusing

Focusing range: 0.7 m to infinity

Closest focusing distance: 0.7 m

Focus type: Manual, rangefinder-coupled

Aperture

Aperture type: Click-stop diaphragm with half-increment settings

Smallest aperture: f/16

Dimensions

Filter thread: E46

Length: Approx. 43 mm (1.7 in)

Largest diameter: Approx. 53 mm (2.1 in)

Learn More

Compact Wide-Angle Precision

With a 91-degree diagonal angle of view in a lens weighing only about 10.5 oz, the Super-Elmar-M 21 pairs seamlessly with M-System cameras and delivers virtually distortion-free images with uniform sharpness across the frame.

Advanced Optical Correction

An 8-element, 7-group design includes one aspherical element (two aspherical surfaces) and special glass with anomalous partial dispersion to minimize color aberrations, even on demanding high-contrast subjects.

Precise Manual Focus

A click-stop diaphragm with half-increment settings stops down to f/16, and rangefinder-coupled focusing reaches a 0.7 m close-focus distance for confident, deliberate composition.

Built for the M-System

The lens carries a Leica M bayonet with 6-bit encoding and an E46 filter thread, and ships with a separate screw-on metal lens hood for effective protection against stray light.

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