The Sigma TS-131 Tripod Socket is specifically designed for the MC-21 Mount Converter. This aluminum foot features a 1/4"-20 socket for attaching to an additional plate.

For Sigma MC-21 Mount Converter    1/4"-20 Socket    Aluminum Build

Related Questions and Answers

Q: 1. Is the TS-111 compatible with RRS lever release clamps? Sigma's site indicates it may not work with some lever type clamps.

A: Yes this is compatible and will work with the RRS lever clamping heads.

Q: 2. Is the model Sigma TS-111 2597ZN compatible with the new Sigma 100-400mm F5-6.3 DGDN OSC Sony E mount as looks like different answers and different model number MFR # ATC900?

A: It is not compatible. For that lens you need this one. https://www.bhphotovideo.com/c/product/1579433-REG/sigma_atc900_ts_111.html

Q: 3. Please what is the inner diameter of this collar?

A: The Sigma TS-141 Tripod Socket is designed for one lens and is only compatible with that lens--the Sigma 14mm f/1.4 DG DN Art Lens, There are no published dimensions for this tripod socket.

Q: 4. Will automatic focus bracketing of the S1 and S1r work with original Canon lenses?

A: This adapter is only recommended for use with Sigma EF mount lenses.

Q: 5. can someone post a picture of the ts-111 properly attached to a sigma100 --400m lens?

A: Hi Randall! Unfortunately this accessory isn't compatible with the Sigma 100-400mm.

Q: 6. The TS-111 is listed on the Sigma USA site as the collar that’s compatible with the new 100-400mm f5-6.3 DG DN OS C lens for E and L mounts, but the descriptions still don’t reflect that... Can anyone confirm if this is the correct collar for the new 100-400?

A: YES, the TS-111 is the also the proper collar for the 100-400mm.

Q: 7. Does this come with front (EF) and back (L) lens caps?

A: Yes, it comes with both.

Q: 8. Does this mount have a 1/4-20 thread on the bottom or is it just an arca clamp? I was unable to find any good images of the bottom of the tripod foot, but it appears from one of the customer images it may have a thread on the bottom.

A: Yeah, it has a 1/4-20 thread on the bottom and the base itself is an arca base.

Q: 9. Will this work with the sigma 100-400 for Canon?

A: The Sigma TS-111 Tripod Socket Kit is meant for the 100-400mm f/5-6.3 DG DN OS Contemporary Lens for Sony E & Leica L.

Q: 10. I'm a Manfrotto tripod head user, not Arca-Swiss. Can I still use it?

A: This collar still has a 1/4" thread at the bottom to use it with non-Arca type heads.