Akara Labs

6-Bit Encoder Kit (for Leica M Mount Lenses)

£28.00 GBP

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Kit Encoder Kit

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

Please be aware that you may be charged import duty/tax by your own country if purchasing from outside of the UK, this is also explained on the checkout page. We have no control over these fees and we do not benefit from them in any way.

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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from 206 reviews

good!

I ordered from Japan, but a different product arrived by mistake. When I contacted the company, they responded immediately and even provided additional service as compensation. The product itself is exactly as I imagined—excellent quality—but what impressed me most was their outstanding customer service. I look forward to purchasing more items from them in the future.

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11/01/2025

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Facilité

Très facile de mise en place des codes.

Lamotte

6-Bit Encoder Kit (for Leica M Mount Lenses)

It's a really good product.

I had already purchased the X-E5 skin and loved it. Since I had an X100VI, it seemed sensible to also get one for that camera. So, I did.

The improvements over the bare camera are immense. It provides protection; the grip, especially the thumb grip, make it really easy to hold; it's really light - adds nothing to the weight (unlike the Smallrig one) and it takes about 2 seconds to whip it off to get to the battery compartment.

It's well worth it.

Alan Sharkey

10/30/2025

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The FUJIFILM X-E5 Slim Skin Case fits perfectly on the camera, almost like a custom glove. It noticeably improves handling, giving a more secure and comfortable grip during shooting sessions. The added layer of protection is an appreciated bonus without adding bulk. A smart accessory that complements the X-E5 beautifully.

Jeff Pettibone

10/29/2025

Easy to use and well made

The template is easy to use and very accurately made. My M11-p recognized all 5 lenses I've coded without issues.

Chris T

10/27/2025

Great case!!

C.M.

10/25/2025

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Fits well, is very slim and unobstrusive, and makes me feel better about putting my M10 down on hard surfaces.

Eric Norris

10/21/2025

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M10P protector

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10/18/2025

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It was an excellent shop.

I made a mistake with my order this time, but the manufacturer handled it professionally and even offered a special suggestion for the order, which I really appreciate.
The products are also consistently reliable, so I plan to place orders regularly from now on.

makoto oka

10/15/2025

The cover fits like a glove.

The first case I bought was for the Leica M3. I was completely won over by it and immediately ordered two more for my M10 and M6. It fits perfectly, provides additional protection and is easy to remove. Great workmanship, stays in place without any additional aids.

Antonio Costa

10/14/2025

It works

maury

10/10/2025

Innovative product that simply works. Provides me with exif information for my Zeiss and Voitlander m-mount lenses. Used with the Leica m to l converter, so i can not determine if it works for other converters. Very happy with the product and it exceeded my expectations.

Christopher

10/07/2025

Tellement mieux que l'étui Leica!

Léger, pratique, il a tout pour plaire.

François Cuneo

Leica Q3 / Q3 43 · Slim Skin Case

It's a fantastic product

When I purchased my X_E5, it was because it was light. But the grip was quite narrow. So I purchased smallrig grip but that added weight and no gripfor my thumb. I then found Akara labs and decided to take a chance on this product. I am so glad I did. It adds no weight but gives the perfect amount of grip both front and back. It is easy to put on and once ther, takes about 2 seconds to remove enough to get at the battery/SD card or tripod mount.

I did chat to the support team and they were very responsive.

Highly recommended.

09/30/2025

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The skin was great and tight with no sliping.

Steve Riley

09/24/2025

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6-Bit Encoder Kit (for Leica M Mount Lenses)