Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera)

Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera)

Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera)

B&H # SIMC21C MFR # 89E969

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Product Highlights

  • EF-Mount Lens to L-Mount Body
  • Integrated LED Displays Compatibility
  • Maintains Autofocus and Auto-Exposure
  • Supports In-Camera Correction Features
  • Flocked Interior Reduces Reflections
  • Removable Tripod Mount
  • Retains EXIF Data
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Lens Mount: Sigma EF

Sigma EF Sigma SA
New Release!
$0 VA Sales Tax Collected on This Item
$249.00
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Sigma MC-21 Overview

  • 1Description

The MC-21 Mount Converter enables the use of Sigma EF-mount lenses on L-mount mirrorless camera bodies, and maintains full lens performance, including autofocus in AF-S mode and auto-exposure, as well as in-camera correction and image stabilization technologies. An integrated LED can be used to display select Sigma lens compatibility with the adapted camera body, and the adapter also has pre-loaded lens data to support peripheral illumination, chromatic aberration, and distortion corrective functions. In order to maintain a high degree of image quality, the interior of the adapter is flocked to reduce reflections, and it also retains full EXIF data to benefit post-production and file management. Additionally, a removable tripod mount is included for more stable mounting when working with heavier lenses.

Per Sigma, this Mount Converter/Lens Adapter is compatible with a select number of Sigma's own EF-mount lenses, and may or may not be suitable for use with other manufacturers' EF-mount lenses.

Compatibility
Cameras
Panasonic S1R
Panasonic S1


Lenses
12-24mm f/4 DG HSM Art
14-24mm f/2.8 DG HSM Art
24-35mm f/2 DG HSM Art
24-70mm f/2.8 DG OS HSM Art
24-105mm f/4 DG OS HSM Art
60-600mm f/4.5-6.3 DG OS HSM Sports
70-200mm f/2.8 DG OS HSM Sports
100-400mm f/5-6.3 DG OS HSM Contemporary
120-300mm f/2.8 DG OS HSM Sports
150-600mm f/5-6.3 DG OS HSM Sports
150-600mm f/5-6.3 DG OS HSM Contemporary
14mm f/1.8 DG HSM Art
20mm f/1.4 DG HSM Art
24mm f/1.4 DG HSM Art
28mm f/1.4 DG HSM Art
35mm f/1.4 DG HSM Art
40mm f/1.4 DG HSM Art
50mm f/1.4 DG HSM Art
70mm f/2.8 DG Macro Art
85mm f/1.4 DG HSM Art
105mm f/1.4 DG HSM Art
135mm f/1.8 DG HSM Art
500mm f/4 DG OS HSM Sports
17-70mm f/2.8-4 DC Macro OS HSM Contemporary
18-35mm f/1.8 DC HSM Art
18-200mm f/3.5-6.3 DC Macro OS HSM Contemporary
18-300mm f/3.5-6.3 DC Macro OS HSM Contemporary
50-100mm f/1.8 DC HSM Art
30mm f/1.4 DC HSM Art
UPC: 085126937232
In the Box
Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera)
  • Front and Rear Caps
  • Tripod Mount
  • Tripod Mount Tool
  • Limited 1-Year Warranty
  • Limited 3-Year U.S.A. Warranty Extension
  • Table of Contents
    • 1Description

    Sigma MC-21 Specs

    Adapter
    Camera Mount Leica L
    Lens Mount Canon EF
    Physical
    Tripod Mounting Thread 1/4"-20 Female
    Packaging Info
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 7.0 x 4.5 x 2.5"

    Sigma MC-21 Reviews

    MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to L-Mount Camera) is rated 3.5 out of 5 by 8.
    Rated 3 out of 5 by from Nice but not perfect Ladapteur est solide, compatible avec les objectif Sigma, Canon et autres marque (y compris les objectif manuel) Lautofocus continue nexiste pas encore, lautofocus fonctionne bien selon les objectifs (pas forcément plus reactif avec des lens sigma quavec les autres) Il peut donner du vignettage sur certains objectif Full frame (cest le cas du canon 16-35mm) Jattends vraiment une mise a jour pour lAF-C, avec les lens Sigma serait un minimum Je lai testé sans problemes avec les canon 24-70mm, 70-200mm, 24-105mm, le rokinon 24mm, le laowa 12mm, le Tamron et le sigma 150-600. Leger problème de vignettage avec le canon 16-35mm II (il vignette jusquà 25mm)
    Date published: 2019-05-15
    Rated 5 out of 5 by from Feels like part of the camera Ive never used an adapter that didnt have some play in the connection...UNTIL this one. Its amazing. It is so secure that it feels like part of the camera when you click it in. Way to go Sigma & Panasonic!
    Date published: 2019-05-03
    Rated 2 out of 5 by from Slow autofocus and no support for Leica SL I was optimist this would be a great adapter and support decent autofocus on the Panasonic S1. Unfortunately it was a huge disappointment. Single point autofocus is very slow to the point that manual focusing would be faster. Continuous autofocus is not supported at all and it doesnt work on the Leica SL.
    Date published: 2019-05-20
    Rated 4 out of 5 by from It works, but its like stepping back in time Its just okay. Fit to body is great. Lens fit to adapter has a little play. MC-11 had better fit. Focus wise, its slow contrast focus. Its probably 10 times slower than with the native Panny 50. It makes sense as the native lens has motors made for the AF system. But I hope Sigma will optimize the focus to hunt a smaller distance. Instead of going so far beyond focus and then so close in front of subject, I feel like it could do a faster focus in a shorter range. Also not having continuous is a deal breaker for many. But knowing the speed of single focus, I dont see how continuous would even be usable :( So overall, if you shoot still basic subjects, it works great! If you shoot weddings, fast street, fast portraiture, or of course sports, it really cont play the game. HOPEFULLY Sigma and Panny will work together to get it working better. Otherwise, its going to be a big bummer if you have a large collection of EF glass.
    Date published: 2019-05-16
    Rated 1 out of 5 by from DOES NOT WORK WITH LEICA CAMERAS Unfortunately Leica pulled support for this adapter. Who knows why. Please update description, B&H.
    Date published: 2019-05-03
    Rated 5 out of 5 by from Must have for new S1 system Works great with every lens I own from manual to Canon, Sigma, Tamron. Lens info transferred to RAW photos minus the Tamron. Tripod foot is removable. AFS works. No AFC. Lens image stabilization works when recording video not when paused. For stills, IS engages on half shutter press.
    Date published: 2019-05-15
    Rated 4 out of 5 by from Decent I have used this as a short term substitute until more budget friendly L-mount lenses are available.  It works well enough.  Single point autofocus works.
    Date published: 2019-05-16
    Rated 4 out of 5 by from Highest praise: it works! It works well with my 24-70 lens. I intend to borrow a 70-200 lens to test it and will report back
    Date published: 2019-05-15
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    when is it due to be released?

    when is it due to be released?
    Asked by: Youngbird
    BH now shows April 18th
    Answered by: Tim
    Date published: 2019-04-03

    Does the adapter reduce the field of view?

    Does the adapter reduce the field of view?
    Asked by: Daniel
    No it does not reduce the field of view.
    Answered by: Michele
    Date published: 2019-05-17

    Can the lenses of the Canon L line be adapted? ...

    Can the lenses of the Canon L line be adapted? Like the 24-105mm II and the 85mm 1.4?
    Asked by: Isaac
    I contacted Sigma directly because I own a number of Canon "L" lenses and a Leica CL. Below is the response from Sigma: Thank you for contacting Sigma USA. Our MC-21 is designed for Sigma Art, Sport, and Contemporary lenses only. Unfortunately the MC-21 will not work with any of the current Leica cameras, but will with future models. Fred Langstaff | Customer support | SIGMA Corporation of America | TEL: 1-800-896-6858
    Answered by: Ira
    Date published: 2019-04-24

    Will adapter work with the Canon EF 16-35 f/2.8 ...

    Will adapter work with the Canon EF 16-35 f/2.8 III, EF 24-70 f/2.8 II and EF 70-200 f/2.8?
    Asked by: Timothy
    This adapter will physically mount the lenses without issue. All electronic functions should work as well but are not supported by Sigma. What that means is Sigma will not guarantee the adapter if you use non-Sigma lenses. Most users do not report issues using Canon lenses with this adapter.
    Answered by: Dennis A
    Date published: 2019-05-03

    Can I adapt canon L series to the Panasonic S1 ...

    Can I adapt canon L series to the Panasonic S1 with this adapter? Like the 24-105mm II and 85mm 1.4
    Asked by: Isaac
    The Sigma MC-21 Mount Converter/Lens Adapter (Sigma EF-Mount Lenses to Leica L) adapts EF-Mount Lenses to an L-Mount Body. Both the Canon EF 24-105mm f/4L IS II USM Lens and the Canon EF 85mm f/1.4L IS USM Lens are EF mount lenses and thus qualify.
    Answered by: Dennis A
    Date published: 2019-04-12

    Does this adapter have a rubber ring around the ...

    Does this adapter have a rubber ring around the lens mount to prevent dust and moisture?
    Asked by: Brian

    Will this adapter maintain weather sealing ...

    Will this adapter maintain weather sealing between lens and body?
    Asked by: Keegan

    Will continues out focus work on any of these ...

    Will continues out focus work on any of these adapters?
    Asked by: Patrick
    I tested the MC-21 with my S1 at NAB. I only tested in video and it certainly works very well with with one-push single AF in 4k video. I did not notice if continues did or not.
    Answered by: Clifford
    Date published: 2019-04-29
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    Sigma MC-21 Q&A

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