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Leica 50mm f/1.4 Summilux-M ASPH. M-Mount Lens with Built-In Hood, Black Anondized 6-Bit {E46} 11728

Model #390280
  • $4,602.00

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New in box complete with manufacturer's USA warranty. Not previously owned or used.
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
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Leica Summilux-M 50mm f/1.4 ASPH.: the refined standard.

The 2023 Summilux-M 50mm f/1.4 ASPH. carries forward a legendary optical formula in a redesigned housing that now matches the compact profile of the Summilux-M 35mm. At 337g and 59.3mm long, it wears unobtrusively on any M body. The 8-element, 5-group design has been updated with a revised internal element, and the optics are tuned specifically for high-resolution digital sensors, pulling full contrast and fine detail at f/1.4 where older designs begin to soften.

The jump from 9 to 11 aperture blades makes a tangible difference when shooting wide open, highlights render rounder and out-of-focus transitions read more naturally across the frame. The minimum focusing distance dropped from 70cm to 45cm, which opens up tighter framing on subjects that simply weren't accessible with the previous version. Rangefinder coupling works normally down to 70cm; from there to 45cm, focusing requires Live View, the Visoflex, or the Leica FOTOS app. The built-in retractable hood deploys with one hand and adds no extra pieces to lose in the field.

At f/1.4 with a 45.4° angle of view, this lens earns its place in serious kits. The 6-bit coding ensures automatic EXIF data and lens correction on digital M bodies, and the 46mm filter thread keeps front accessories straightforward.

Who It's For

Street photographers working digital M bodies get 6-bit coding for automatic corrections and a minimum focus distance of 45cm that brings context and subject into the same tight frame. Portrait shooters drawn to rangefinder shooting will find the 11-blade diaphragm renders background highlights with noticeably less geometric clipping than its predecessor. Documentary and travel photographers who prioritize discretion benefit from the compact 58.6mm diameter and 337g weight. Photographers migrating from film M systems to high-resolution digital sensors will find the updated optical formula holds up to modern sensor demands without requiring a lens change.

Key Features

  • 8-element, 5-group design optimized for high-resolution digital sensors
  • f/1.4 maximum aperture with 11-blade diaphragm for natural bokeh
  • Minimum focus distance of 45cm, down from previous 70cm
  • Compact 59.3mm housing matching Summilux-M 35mm profile
  • Built-in retractable lens hood deploys with one hand
  • 6-bit coding for automatic EXIF data and lens correction
  • 46mm filter thread
  • Leica M mount

FAQ

How does the 2023 version differ from the older Summilux-M 50mm f/1.4?
The redesigned housing is now compact like the 35mm version (337g, 59.3mm long), minimum focus distance improved from 70cm to 45cm, diaphragm increased from 9 to 11 blades for rounder bokeh, and internal optics were revised to pull better contrast and detail at f/1.4 on high-resolution digital sensors.
Can I focus at 45cm with my rangefinder?
Rangefinder coupling works normally down to 70cm. Below that, you'll need Live View, the Visoflex, or the Leica FOTOS app to focus accurately at 45cm.
What's the angle of view at 50mm?
45.4°, making it a true standard focal length - versatile enough for everything from environmental portraits to street work.
Does the lens have autofocus?
No. This is a manual-focus design typical of M-mount lenses. The 6-bit coding provides automatic EXIF data and lens correction on compatible M bodies, but focusing is all manual.
What's included with the lens?
The built-in retractable hood deploys with one hand and stays attached to the lens. It adds no extra pieces to manage in the field.
Will this lens work on M film cameras?
Yes. The M-mount is shared across Leica's film and digital M bodies. Older bodies won't have the 6-bit coding advantages, but the lens functions normally.
What filter size does it take?
46mm, which keeps front accessories straightforward and affordable compared to larger thread sizes.
SpecificationValue
Focal Length50mm
Max Aperture1.4
Min Aperture16
MountLeica M
Min Focus Distance1.5' / 45 cm
Lens FormatFull Frame
Angle Of View45.4°
Elements8
Groups5
Diaphragm Blades11
Filter Thread46mm
Length2.3" / 59.3 mm
Maximum Diameter2.3" / 58.6 mm
Package Weight2.05 lb
Box Dimensions6.3 x 4.7 x 4.7"
Weight11.9 oz / 337 g

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Leica
Focus Type Manual focus (only)
Lens Mount Leica M
Lens Type Standard / Normal
Max Focal Length 50mm
Min Focal Length 50mm