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Canon EF Lens to Micro Four Thirds Camera Adapter, T CINE Speed Booster ULTRA 0.71x Magnification (Fifth Generation)

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
$681.92
Sep 13 · Macy's
Best price
$681.92
−0% vs high
14-day high
$681.92
All stores
$682$682$682
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $681.92 at Macy's. Highest: $681.92. Current best is 0% below the 14-day high.

About this product

The Metabones T CINE Speed Booster ULTRA 0.71x adapter enables Canon EF lenses to be used on Micro Four Thirds cameras with enhanced optical performance. This precision-engineered accessory reduces the crop factor from 2.0x to 1.4x, effectively widening the field of view and bringing lens coverage closer to full-frame equivalence. It also increases the effective aperture by one stop, improving low-light capability and enabling shallower depth of field for cinematic results. The adapter features a robust metal construction with a 5-element 4-group optical design using high-index tantalum glass, ensuring sharp image quality. Autofocus remains fully functional with compatible Canon EF lenses, delivering fast and accurate focusing. It is designed for reliable, long-term use and requires only wipe-cleaning for maintenance.

  • 0.71x magnification
  • 1-stop aperture boost
  • 5-element 4-group optics
  • full autofocus support
  • metal build quality
  • wipe clean maintenance

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Canon EF Lens to Micro Four Thirds Camera — Price History