L-Mount Alliance

Not to be confused with Canon L lens.

The L-Mount Alliance is an alliance between Leica Camera AG, Panasonic and Sigma, launched on 25 September 2018, whereby Panasonic and Sigma will make use of the L-Mount standard initially developed by Leica and will offer cameras and lenses utilising this lens mount with improved firmware and full compatibility among these Alliance products.[1][2]

On the same day, Panasonic announced its S1R and S1 full-frame L-mount cameras,[3] and Sigma announced a full-frame L-mount camera using the company's unique Foveon sensor technology.[4][5] Panasonic's cameras will launch with three new lenses, and Sigma will initially release the same L-mount variants of existing lenses as they are producing for the Sony E-mount.[2][6]

According to Sigma CEO, Kazuto Yamaki, the "L-mount system is not exactly the same as the existing one. We updated it a little bit to work better with such lenses through lens adapters."[2]

Six cameras and 39 native lenses have been announced for the L-Mount by 2020.

Expansion

Next company to join the alliance was German cinema lens maker Ernst Leitz Wetzlar GmbH in 2021[7], later renamed Leitz Cine.[8] It since has been followed by a number of other camera and lens manufacturers.

L-Mount Alliance members and their products
№ Member Since Mainstream
cameras 		Lenses Specialized/cinema
cameras and gimbals 		Drones
1 Leica 25 September 2018
2 Panasonic 25 September 2018
3 Sigma 25 September 2018
4 Leitz Cine 14 October 2021[7]
5 DJI 15 June 2022[9]
6 Astrodesign 14 July 2023[10]
7 Samyang 14 July 2023[10]
8 Blackmagic Design 15 September 2023[11]
9 Sirui 20 March 2025[12]
10 Viltrox 1 September 2025[13]
11 Freefly Systems 17 April 2026[14]

Despite not being alliance members, some other brands, such as 7Artisans, TTartisan, AstrHori and Meike, have also introduced their autofocusing lenses for L-mount.

See also

References

  1. ^ Bracaglia, Dan (25 September 2018). "Leica, Panasonic and Sigma will work together, announce L-mount alliance". DPReview. Retrieved 25 September 2018.
  2. ^ a b c Etchells, Dave (2 October 2018). "Sigma interview at Photokina 2018: CEO Kazuto Yamaki gives us a peek inside the L-mount alliance". Imaging Resource. Retrieved 7 October 2018.
  3. ^ Goldstein, Mark. "Panasonic S1R and Panasonic S1 35mm Full-frame Mirrorless Cameras". Photography Blog. Retrieved 25 September 2018.
  4. ^ Butler, Richard. "Sigma to take Foveon full frame and adopt L mount". DPReview. Retrieved 26 September 2018.
  5. ^ Goldstein, Mark. "Sigma to Develop L-Mount Camera with Foveon Sensor, Release Canon EF to L-mount Adapter". Photography Blog. Retrieved 26 September 2018.
  6. ^ "Sigma Photokina 2018 Press Event (live streaming) by pttl.gr" on YouTube
  7. ^ a b "Ernst Leitz Wetzlar GmbH joins the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
  8. ^ "Ernst Leitz Wetzlar GmbH renamed Leitz Cine GmbH". Leitz Cine GmbH. Retrieved 19 April 2026.
  9. ^ "DJI joins the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
  10. ^ a b "Astrodesign and Samyang join the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
  11. ^ "Blackmagic Design joins the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
  12. ^ "SIRUI joins the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
  13. ^ "Viltrox Joins the L-Mount Alliance: A New Era of Possibilities for Creators". Viltrox. Retrieved 19 April 2026.
  14. ^ "Freefly Systems Inc. joins the L-Mount Alliance". Leica Camera AG. Retrieved 19 April 2026.
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