News tagged ‘focal reducer’

Wednesday, 23 Jan 2013

The Speed Booster Is An Incredible Lens Attachment for Mirrorless Cameras

The Speed Booster Is An Incredible Lens Attachment for Mirrorless Cameras

Sitting between a mirrorless camera and an SLR lens, the Speed Booster claims to increase maximum aperture by a stop and increase optical performance. Sounds too good to be true?

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