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MC-21 Mount Converter, Sigma SA Lenses to Leica L Mount Cameras

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$189.00
Sep 13 · Macy's
Best price
$189.00
−0% vs high
14-day high
$189.00
All stores
$189$189$189
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $189.00 at Macy's. Highest: $189.00. Current best is 0% below the 14-day high.

About this product

The Sigma MC-21 Mount Converter enables Sigma SA mount lenses to be used on Leica L-Mount cameras. This adapter preserves image quality and supports seamless autofocus with compatible lenses, allowing photographers to expand their lens options across Sigma, Leica, and Panasonic L-Mount systems. It works with 29 Sigma SA mount lenses, including select Art, Sports, and Contemporary series models, and maintains functionality with APS-C crop sensors. The converter features a durable build and includes a USB cable for firmware updates. It is designed for professional and enthusiast use in photography.

  • Sigma SA to Leica L-Mount adapter
  • Works with 29 Sigma lenses
  • Preserves autofocus performance
  • Durable metal construction
  • Firmware update via USB
  • Wipe clean maintenance

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MC-21 Mount Converter, Sigma SA Lenses — Price History