Akara Labs

Leica M Mount Lens Precision 6-Bit Encoder

£28.00 GBP

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Kit Encoder Kit (includes pens) Encoder Only

Quantity

Leica M Mount 6-Bit Encoder. The coder clips on to un-encoded lenses and allows quick and easy coding of any M mount lens.

Once the lens is encoded, your Leica camera will know which focal length lens it has mounted and record that information in to your photos (meta data) which will then be displayed in Lightroom and any other software allowing you to filter your photos by lens and focal length.

Your Leica will also apply various adjustments including vignetting, chromatic aberration and barrel distortion for cleaner JPG images and less post processing for RAW files.

Any other manufacturer lens can be coded to the closest Leica equivalent, generally improving the quality of your photos through the automatic corrections applied and the recording of meta data for lens length (28mm, 50mm etc).

For coding third party lenses, some experimentation may be required to find the closest and best match.

Why are there two options?

Encoder Kit:

If you purchase the Kit, white and black pens are included along with the 6-bit coder, instructions and table of lenses and what to code them to. These pens are fully compatible with the Leica 6-bit sensor.

Encoder Only:

Exactly the same as the kit, but without the pens. You will need a compatible black marker; many black markers do not work with the Leica 6-bit sensor or do not adhere to the metal on the lens as well but there are also plenty that work perfectly.

The recommend pen is the Black Uni-ball Super Ink Marker Pen 0.9. A white pen (Posca PC1-MR) is usually not required but can help with successful coding for some cameras (usually the M8 and M240 are more picky).

If you have a lens not listed in the table below, mounting your camera on a tripod and photographing a scene uncoded, then photographing the same scene with a few of the closest codes will allow you to compare and choose the best one for your particular setup. This should only take around 20 minutes for more than one lens due to it only taking around 20 seconds or so to clean a previous code off a lens and then re-coding it.

A few lenses can have a screw where a 1-bit should be, filling this in with white allows you to then either leave it as white or place a black mark on top of it for successful coding.

Note: The QR code on the encoder takes you to the instructions online which includes the table of lens codes. If you are out and about with the encoder and pen in your bag, this should hopefully help code your lens quickly.

Matt Osbourne, a professional model photographer reviewed version 1 of our encoder. See what he thought about it here:

A short introduction and tutorial can be found here:

Please see this excellent table below from lavidaleica.com (The original table was posted on Carsten Whimster's site (site no longer active) and with thanks to Sean Reid, Jan Dvorak, Dante Stella and others who had made it possible).

Thanks also goes out to many others in the Leica community who are providing valuable information that allow us all to code our lenses effectively.

Product photos by the fantastic and talented Rikard Landberg - https://www.rikardlandberg.com

Lens Name	Black	Chrome	Code	Picture	Framelines	Other Lenses
Tri-Elmar-M 16-18-21mm f/4 ASPH	11626	-	010000	⬜⬛⬜⬜⬜⬜	28/90	Voigtländer 15mm f/4.5
Super-Elmar-M 18mm f/3.8 ASPH	11649	-	110100	⬛⬛⬜⬛⬜⬜

Tri-Elmar-M 16-18-21mm f/4 ASPH	11626	-	010000	⬜⬛⬜⬜⬜⬜	28/90	Voigtländer 15mm f/4.5
Super-Elmar-M 18mm f/3.8 ASPH	11649	-	110100	⬛⬛⬜⬛⬜⬜	50/75	Zeiss Distagon T* 4/18 ZM
Super-Elmar-M 21mm f/3.4	11145	-	110011	⬛⬛⬜⬜⬛⬛	28/90
Elmarit-M 21mm f/2.8	11134	-	000001	⬜⬜⬜⬜⬜⬛	28/90	Konica M-Hexanon 21-35mm f/3.4-4.0 (1) Voigtländer 21mm f/1.8 Ultron
Elmarit-M 21mm f/2.8 ASPH	11135	11897	011000	⬜⬛⬛⬜⬜⬜	28/90	Voigtländer 21mm f/4 Color Skopar Zeiss Biogon T* 2.8/21 ZM Kobalux 21mm f/2.8
Summilux-M 21mm f/1.4 ASPH	11647	-	101111	⬛⬜⬛⬛⬛⬛	28/90
Elmar-M 24mm f/3.8 ASPH	11648	-	110010	⬛⬛⬜⬜⬛⬜	24/35 or 35/135	Voigtländer 25mm f/4 Snapshot Skopar
Elmarit-M 24mm f/2.8 ASPH	11878	11898	011001	⬜⬛⬛⬜⬜⬛	24/35 or 35/135	Zeiss Biogon T* 2.8/25 ZM (with mount fix)
Summilux-M 24mm f/1.4 ASPH	11601	-	110000	⬛⬛⬜⬜⬜⬜	24/35 or 35/135
Tri-Elmar-M 28-35-50mm f/4 ASPH	11890 11625	11894	101010	⬛⬜⬛⬜⬛⬜	28/90, 24/35, 50/75
Summaron-M 28mm f/5.6			001011	⬜⬜⬛⬜⬛⬛	28/90
Elmarit-M 28mm f/2.8 (III)	11804	-	000011	⬜⬜⬜⬜⬛⬛	28/90
Elmarit-M 28mm f/2.8 (IV)	11809	-	011011	⬜⬛⬛⬜⬛⬛	28/90
Elmarit-M 28mm f/2.8 ASPH	11606	-	011100	⬜⬛⬛⬛⬜⬜	28/90	Zeiss Biogon T* 2.8/28 ZM Konica M-Hexanon 28mm f/2.8
Summicron-M 28mm f/2 ASPH	11604	-	011010	⬜⬛⬛⬜⬛⬜	28/90	Voigtländer 28mm f/1.9 Ultron Voigtländer 28mm f/2.0 Ultron II Voigtländer 28mm f/3.5 Color Skopar Zeiss Biogon T* 2.8/25 ZM
Summarit-M 35mm f/2.5	11643	-	101011	⬛⬜⬛⬜⬛⬛	24/35 or 35/135	Voigtländer 35mm f/2.5 Color Skopar
Summicron-M 35mm f/2 (IV)	11310	11311	000110	⬜⬜⬜⬛⬛⬜	24/35 or 35/135	Zeiss Biogon T* 2/35 ZM Minolta M-Rokkor 40mm f/2.0 (3)
Summicron-M 35mm f/2 ASPH	11879	11882	011110	⬜⬛⬛⬛⬛⬜	24/35 or 35/135	Voigtländer 35mm f/1.7 Ultron
Summilux-M 35mm f/1.4 ASPH	11874	11883	011101	⬜⬛⬛⬛⬜⬛	24/35 or 35/135	Voigtländer 40mm f/1.4 Nokton
Summilux-M 35mm f/1.4 Steel rim			001100	⬜⬜⬛⬛⬜⬜		Thambar 90mm f/2.2
Elmar-M 50mm f/2.8	11831 (11824)	11823	100010	⬛⬜⬜⬜⬛⬜	50/75
Summarit-M 50mm f/2.5	11644	-	101100	⬛⬜⬛⬛⬜⬜	50/75	Voigtländer 50mm f/2.5 Color Skopar
Summicron-M 50mm f/2 (III)	11817	-	010111	⬜⬛⬜⬛⬛⬛	50/75	Konica M-Hexanon 50mm f/2
Summicron-M 50mm f/2 (IV, V)	11819 11826	11825 11816	100001	⬛⬜⬜⬜⬜⬛	50/75	Zeiss Planar T* 2/50 ZM
APO-Summicron-M 50mm f/2 (VI)	11141	-	101001	⬛⬜⬛⬜⬜⬛	50/75
Summilux-M 50mm f/1.4 (II)	11868	11856	000101	⬜⬜⬜⬛⬜⬛	50/75	Summarit 5cm f1.5
Summilux-M 50mm f/1.4 ASPH	11891	11892	100000	⬛⬜⬜⬜⬜⬜	50/75	Voigtländer 50mm f/1.5 Nokton Zeiss C Sonnar T* 1.5/50 ZM
Noctilux-M 50mm f/1	11821 11822	-	011111	⬜⬛⬛⬛⬛⬛	50/75
Noctilux-M 50mm f/0.95 ASPH	11602	-	110001	⬛⬛⬜⬜⬜⬛	50/75
Summarit-M 75mm f/2.5	11645	-	101101	⬛⬜⬛⬛⬜⬛	50/75	Voigtländer 75mm f/2.5 Color Heliar
APO-Summicron-M 75mm f/2 ASPH	11637	-	100100	⬛⬜⬜⬛⬜⬜	50/75
Summilux-M 75mm f/1.4	11810 11814 11815	-	100011	⬛⬜⬜⬜⬛⬛	50/75
Macro-Elmar-M 90mm f/4	11633	11634	100111	⬛⬜⬜⬛⬛⬛	28/90
Macro-Adapter-M	14409	-	101000	⬛⬜⬛⬜⬜⬜	28/90?
Tele-Elmarit-M 90mm f/2.8 (II)	11800	-	000100	⬜⬜⬜⬛⬜⬜	28/90	Konica M-Hexanon 90mm f/2.8
Elmarit-M 90mm f/2.8	11807	11808	100110	⬛⬜⬜⬛⬛⬜	28/90
Summarit-M 90mm f/2.5	11646	-	101110	⬛⬜⬛⬛⬛⬜	28/90
Summicron-M 90mm f/2 (II)	11136	11137	000111	⬜⬜⬜⬛⬛⬛	28/90
APO-Summicron-M 90mm f/2 ASPH	11884	11885	100101	⬛⬜⬜⬛⬜⬛	28/90
Elmarit-M 135mm f/2.8 (I/II)	11829	-	001001	⬜⬜⬛⬜⬜⬛	28/90
APO-Telyt-M 135mm f/3.4	11889	-	110101	⬛⬛⬜⬛⬜⬛	35/135

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Great product!

It works as promised. Great product.

It didn't work on any of my lenses

I paid extra for them to send me a pen and I could not code any of my lenses

Hi Brandon, sorry to hear that it didn't work for you. Please get in touch and we can trouble-shoot what the issue might be.

Brilliant and simple piece of kit

About 10 years ago I spent a fortune sending my old lenses to Leica to get them coded. Not only an expensive touch of madness, but I was without my lenses for ages. With this kit, I can alter any old lenses or new non Leica lens in minutes, and essentially for no cost. Now all my lenses have good exif data automatically, and benefit from lens correction and IBIS on SL system. So happy. Works so well. Thank you Ankara Labs!

The product works well on both my Leica M11. I was easy to apply to my Voigtlander lenses. So far I am very happy.

Simple, safe, effective hack for 3rd party M mount lenses

Don’t hesitate. If you have 3rd party lenses for the Leica M mount, get Akara Labs 6-bit encoder. It works! I’ve encoded 4 Voigtlander lenses and my M10 recognizes them without a glitch! Thanks Akara Labs!

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Leica M Mount Lens Precision 6-Bit Encoder