Sigma MC-21 Mount Converter Converter:Sigma SA to L-Mount There are three requirements for

There are three requirements for outstanding lenses: fine design

making them more valuable than ever

With each ring and mount specially sealed to prevent water and dust from entering

the innovative RadioPRO4 comes pre-loaded with amplifier retention and SWC software

All lenses in the lineup may also be used on still cameras with the compatible mount for outstanding still camera videography

Sigma MC-21 Mount Converter Converter:Sigma SA to L-Mount There are three requirements forThe SIGMA MOUNT CONVERTER MC 21 allows SIGMA SA mount and SIGMAs CANON EF mount interchangeable lenses to be mounted on L mount cameras Fast and accurate AF Tripod mount included Exif data inclusion