Development of SIGMA MOUNT CONVERTER MC-31 Announced

Sigma issued a press release about their PL adapter for L Mount Cameras including their highly anticipated their Sigma FP Camera. No information yet on when it will be available or what the price will be. Although they say there will be a production model available at IBC, they also say appearance and specifications are subject to change. No word on its connectivity to be able to get metadata.

The press release from Sigma:

SIGMA Corporation (CEO: Kazuto Yamaki) is pleased to announce its development of SIGMA MOUNT CONVERTER MC-31, a converter that allows PL mount lenses to be used on L-Mount cameras.
By using SIGMA MOUNT CONVERTER MC-31, users can use PL mount cine lenses, which are widely used in the filmmaking industry, on the SIGMA fp and other L-Mount cameras.
A production version of this new product will be on display at IBC 2019, scheduled to take place in Amsterdam, the Netherlands, from September 13 to 17, 2019.
Launch: TBD Price: TBD Accessories: TBD
L-Mount is a registered trademark of Leica Camera AG.
Appearance and specifications are subject to change.

1. Shim adjustments MC-31 has shim adjustments on two points of the mount. Adjustments can be made with a shim kit (included) on the camera side of the mount, or a shim for ARRI digital cameras on the lens side.
2. All-metal construction for excellent durability With an aluminum-alloy body and strong brass mount and locking ring, MC-31 boasts excellent durability. It is also designed to be secured on the mount of the SIGMA fp with a screw thread, ensuring an even more secure connection between the lens and the camera. This allows users to shoot steady without the lens rattling even after the long-term use.
3. Tripod socket The removable tripod socket allows MC-31 to be attached to a tripod or other filmmaking accessories such as a camera cage.
4. Suitable for various shooting conditions With the screw thread removed, the stopper of the locking ring is released. This makes it possible to use MC-31 with a PL mount lens that requires tighter mounting than the MC-31’s specifications, allowing the lens to lock securely in place on the converter. The markings on the upper part of the converter are in the same luminous paint as the one used for SIGMA CINE LENS, helping make it easier to replace or adjust a lens in the dark.

For more information go to the Sigma website at

Written by Clint Milby

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