Sigma MC-11 Canon EF-E Lens Mount Converter, Black

Product Information

Recognising the growing popularity of the Sony A-series, Sigma announced their own lens adapter earlier this year, the snappily titled Global Vision MC-11 Lens Mount Converter, which ostensibly supports 16 Sigma Canon Mount (EF) and Sigma Mount (SA) lenses ( current list here). Going one better than the Metabones adapter, the MC-11 also promises to support the full range of Sony AF modes, including Eye-AF. Ease of Use Effettivamente, come avevo sentito dire, posso confermare che l'adattatore Sigma lavora benissimo con le ottiche di produzione Canon, mentre, curiosamente, con le Sigma con attacco EF (o alcune di esse) tentenna un po'. L'autofocus è operativo e riesce quasi sempre ad agganciare correttamente il soggetto; tuttavia con la a7 risulta abbastanza lento. Using continuous shooting with intervals allowed me to get sharp shots of the bikers exiting the corner.

But I have passed down a test exercise with four different brands of electronic adapters over two mount systems and would like to see if the MC-11 might work where the MC-21 is not compatible. Obviously if I was returning to Sony FE I would not be impressed with the MC-11 either. Surely only those who buy exclusively Sigma EF mount lenses would buy an “MC”? Just one Canon or other brand EF lens and it may of may not be a “bonus lens” and you should have bought another adapter which will work all the Sigma EF lenses and give you a much wider range of bonuses. That is about where I am coming from. Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens with the focus mode switch set to MO was attached.I already shared my experience for birds in flight ( read the Red Kites article here) where I got an overall 50% keeper rate with the A7r II and 60% with the a6300, which I consider quite good. A6300, 1/2000, f/8, ISO 800 – 150-600mm Contemporary So, that's the innocent explanation of why the MC-11 does not have such good support for Canon EF lenses, but what about differences between the MC-11 and MC-21? Perhaps the origin here is the difference between translating E-to-EF and L-to-EF? Perhaps E has better facilities for adapted DSLR lenses, as it was designed to accommodate Sony's adapters to A lenses? Perhaps that means that the MC-11 is more forgiving of unsupported Canon lenses than the MC-21?

If you are the type of shooter who wanted form to equal function then the MC-11 converter will not disappoint. but what about differences between the MC-11 and MC-21? Perhaps the origin here is the difference between translating E-to-EF and L-to-EF? Perhaps E has better facilities for adapted DSLR lenses, as it was designed to accommodate Sony's adapters to A lenses? Perhaps that means that the MC-11 is more forgiving of unsupported Canon lenses than the MC-21? The new MOUNT CONVERTER MC-11 allows you to use your SIGMA SA-mount and SIGMA EOS-mount interchangeable lenses with the Sony E-mount camera body. MOUNT CONVERTER MC-11 is ideal for professional photographers who use different camera systems depending on the subject, as well as amateur photographers who enjoy using a variety of camera systems. Increasing the compatibility of lenses with different camera systems makes these assets more valuable than ever. In addition, users of Sony E-mount camera bodies will enjoy an immediate increase in the number of lenses available to them I have been puzzled by comments that the MC-11 has worked very well with EF lenses in general and I would have liked to know if it were more widely compatible with non Sigma EF mount lenses than the MC-21 was. For if it is as short on bonus lenses as the MC-21 is then it would only work on a relatively few “modern” Canon EF lenses. In my test of twenty Canon EF lenses on L-Mount it only supported 11 of them and two of them were MF lenses therefore for AF purposes the bonus was 9/18 or 50%.

Final Impressions

I'm not comparing to "most other adapters". I'm comparing to the Metabones adapter. Can you point to anyone who has done a comparison of the two and concluded that the Sigma adapter has wider and better compatibility than the Metabones adapter? There are no optics inside the MC-11, it’s designed to extend the flange depth so the Canon lens is the correct distance from the sensor – it extends the optical arrangement by 2.5cm. It also conveys the data that’s required to enable exposure control and autofocusing. This means that the MC-11 should enable the same image quality that you expect from your lenses, but bare in mind that the different sensor will have an impact. Performance