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Leica Summilux-M 21mm f/1.4 ASPH

A fast 21mm for the M system: f/1.4 with a floating element for close-range sharpness, 580g, and filters via a Series VII drop-in in the hood. Low-light interiors, night street and astro on M bodies.

Starting from
£7300 new
Available at 2 retailers
Check price at Clifton Cameras
✓ Available at 2 retailers 🔒 No signup needed 📦 UK stock only
RetailerPrice
Clifton Cameras
Clifton Cameras
£7300
Check on Clifton Cameras →
Amazon
Amazon
—
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Prices are synced live from UK retailers. Not every product will be stocked by every retailer; older models may only be available second hand.
Core
Released
2008
Focal Length
21mm
Aperture
f/1.4
Compatible Mount
Leica M-mount
Filter Size
None (no front filter thread)
Dimensions
69.5mm diameter × 66mm length
Weight
580g
Weather Sealed
No
Optics & Focus
AF Motor
Manual focus only (rangefinder coupled)
Optical IS
None (relies on body IS if available)
Aperture Blades
9
Magnification
0.034x
Min. Focus Distance
0.7m

Select up to 2 cameras to compare against the Summilux-M 21mm f/1.4 ASPH. It's always pinned as the baseline.

Select 1–3 cameras to compare

7 cameras compatible with the Leica M-mount mount.

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M10
£4000
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£5200
Leica M EV1
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Leica M EV1
£6799
M11-P
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M11-P
£7500
M11
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£7999
M11 Monochrom
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M11 Monochrom
£8300
GearScore™ — Suitability by Genre

Base score — computed from verified specs for an enthusiast shooting photo and video. Camera Match adjusts it for your skill level and priorities.

Portrait
5.8
Street
5.2
Travel
3.7
Wedding & Events
2.9
Filmmaking
4.4
Documentary
2.8
Landscape
5.7
Casual
2.1
Food
4.1
Architecture
5.8
Astrophotography
7.6
Underwater
5.1
✅ Great For
🌌
Astrophotography 7.6 Strong on maximum aperture, focal length and optical quality.
⚠️ Not Ideal For
📷
Casual 2.0 Held back by value for money and focal length. Scored down: manual focus only.
🎥
Documentary 2.8 Held back by video handling and autofocus. Scored down: manual focus only.
💍
Wedding & Events 2.9 Held back by autofocus and focal length. Scored down: manual focus only.
📝 How suitability scores are calculated GearScore™ genre scores are calculated from this camera's verified specifications — autofocus, sensor, weight, weather sealing and more — weighted by what matters for each type of photography. Where a spec sheet misses something (e.g. a manual-focus rangefinder for street), we apply a documented editorial adjustment. Scores are not based on customer reviews. See our full methodology →
Price History — Summilux-M 21mm f/1.4 ASPH