Sigma MC-21 Mount Converter Lens Adapter w/ Warranty + Accessories Bundle 2171 Robust yet lightweight

Robust yet lightweight

Traditional Chinese

built-in sensors include an altimeter

QuickMount system - converts easily from wall to floor use

The coolest feature is the ability for you or your child to customize their headset to make it their own

Sigma MC-21 Mount Converter Lens Adapter w/ Warranty + Accessories Bundle 2171 Robust yet lightweightEffective use of lens investment Attaching the MC 21 to your collection of SIGMAs CANON EF mount compatible lenses allows them to be used as L Mount system lenses, promoting the effective use of valuable lenses already owned. The MC 21 increases the number of interchangeable lenses manufactured by SIGMA that can be used with the L Mount system by 36 lenses. Compatible with the autocrop function, mounting APS C size image circle DC lenses to a camera