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Leica 50mm f/2 Summicron-M (Type 5) M-Mount Lens with Built-In Hood, Chrome, 6-Bit {E39} 11816

Model #229835
  • $1,915.00

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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.
EX+ Excellent Plus
With Caps; Made in Germany
$1,915.00
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Leica 50mm f/2 Summicron-M: the classic M-mount normal lens in chrome.

The Summicron-M 50mm f/2 is the lens that has defined the Leica M system for generations of photographers. At f/2 maximum aperture, it handles available-light work with confidence while staying compact enough to complement the rangefinder form factor that M shooters prize. The chrome finish is a deliberate aesthetic choice, it pairs with chrome-bodied M cameras and carries a distinctly traditional look that black-finish alternatives simply don't replicate.

The 6-bit coding communicates lens identity directly to Leica's digital M bodies, enabling in-camera correction profiles that account for this specific optic. That matters most when shooting wide open, where digital sensors are most sensitive to vignetting and distortion. The built-in retractable hood is practical than decorative: extended, it shields the front element during shooting without requiring a separate accessory in your bag. The 39mm filter thread accepts standard screw-in filters when the hood is retracted.

For M-mount shooters who want a 50mm that carries the full lineage of the system, this is the lens the platform was built around.

Who It's For

Street photographers working with digital M bodies get direct value from the 6-bit coding, which triggers in-camera lens profiles and removes the guesswork from post-processing corrections. Documentary shooters drawn to the rangefinder's low profile will appreciate the f/2 aperture for indoor and low-light work without flash. Collectors and photographers who shoot chrome-body Leica M cameras will find the finish match deliberate and satisfying. Film M shooters benefit from the built-in retractable hood keeping the front element protected without adding bulk to a minimalist kit.

Key Features

  • 50mm fixed focal length, f/2 maximum aperture
  • Leica M-mount with 6-bit encoding for digital bodies
  • Built-in retractable lens hood
  • 39mm filter thread
  • Chrome finish
  • Compact design for rangefinder systems

FAQ

What does 6-bit coding do?
The 6-bit encoding communicates lens identity to Leica M digital bodies, enabling in-camera correction profiles for vignetting and distortion-particularly useful when shooting wide open.
Is the hood removable?
Yes. The hood retracts into the lens barrel when not in use and extends for shooting. When retracted, the 39mm filter thread is accessible for screw-in filters.
Does this work on film M cameras?
Yes. The Summicron-M 50mm f/2 mounts on any Leica M-mount body, film or digital. The 6-bit coding is used only by digital M bodies; film cameras ignore it.
What's the practical difference between f/2 and faster apertures?
f/2 handles available-light work capably while keeping the lens compact-a deliberate balance for rangefinder shooting. If you need faster maximum aperture for dimmer conditions, Leica's M-mount lineup includes faster 50mm options worth exploring.
Why chrome instead of black?
Chrome finish pairs visually with chrome-bodied M cameras and carries the traditional aesthetic of the system. It's a deliberate choice, not a limitation.
What filters fit this lens?
The 39mm filter thread accepts standard screw-in filters when the hood is retracted.
Is the built-in hood adequate for lens protection?
The retractable hood shields the front element during shooting without requiring a separate accessory. Extended, it provides physical protection; retracted, it doesn't add bulk to your bag.
SpecificationValue
Focal Length50mm
Max Aperturef/2
MountLeica M
Filter Thread39mm
FinishChrome
Encoding6-Bit
Built In HoodYes

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
Filter Size 39mm
Focus Type Manual focus (only)
Lens Mount Leica M
Lens Type Standard / Normal
Max Focal Length 50mm
Min Focal Length 50mm