Akara Labs

Leica M Mount Lens Precision 6-Bit Encoder

£28.00 GBP

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Kit Encoder Kit

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15% discount on any Slim Skin Case with code May15 when purchasing a 6-bit Kit

Leica M Mount 6-Bit Encoder kit (includes pens, encoder, instructions and table of codes). The coder clips on to un-encoded lenses and allows quick and easy coding of any (not limited to) M/LM, ZM and VM mount lens.

Once the lens is encoded, your Leica M and SL2/SL3 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.

An added benefit for SL2 and SL3 users when used with the Leica M adapter, is setting the correct image stabilisation for the lens length.

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 but all M mount lenses can be coded.

The kit includes a compatible white and black pen, along with the 6-bit coder, instructions, and table of lenses and what to code them to.

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.

For SL2 and SL3 users you will also get the benefit of correct stabilisation automatically. An excellent video by Jonathan Harris at Worldwide Camera Exchange explains in more detail here:

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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Not received,

Was just wondering where the order is. Do you have tracking.

Hi Stephen, you should have received an email with the tracking number automatically from us, please check your spam. I will send you an email after replying here, with the tracking links for your own records, rather than posting it publically.

Having checked the tracking, the last movement was on the 16th May with the note from Indonesian mail stating: 'Incorrectly addressed. Returned to sender. REVERE, Indonesia'

If you could please double check the address you specified for delivery, once it has arrived back with us we can amend and re-send.

excellent, my M now recognises all my lenses

have a collection of M Mounts. LLL, Voig and Zeis.
everything now coded and recognised. My LLL 50mm 1.2 noctilux wasn’t on your sheet, but a quick google found the 6 bit code
Very simple. My voigs didn’t need the white pen.

It does work.

Had some initial problems getting this to work in my M240. But after sending an email in to customer services and getting a very prompt and helpful reply managed to get it to code my 2 lenses. Worth the effort to save having to remember to change the lens setting manually.

Works like a charm!

Great little bit of kit. Easy to follow instructions. Worked first time on my Voigtlander Apo Lanthar coding it as an Apo Summicron.

Solves an important issue

Excellent although I did take a few iterations to get my lenses coded, including checking that my M262 was working with a new lens as none of mine worked to start with! Problems included having screws where the code should be (heavily flood the location) and for my 90/2.8 Tele-Elmarit-M I used the straight 90/2.8 Elmarit code as there is only a single location which clashed with the screw. Coding lens is particularly important for wide angle glass as pixels are sensitive to the direction of light whereas emulsion is not.

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Leica M Mount Lens Precision 6-Bit Encoder