Metabones Canon EF Lens to Sony E-mount T Speed Booster ULTRA 0.71x II

Advanced Optical Performance for Sony E-Mount

The Metabones Canon EF to Sony E-mount T Speed Booster ULTRA 0.71x II utilizes a sophisticated 5-element, 4-group optical design to enhance the performance of full-frame Canon EF lenses on APS-C sensor cameras. By reducing the crop factor from 1.5x to 1.07x, this adapter allows you to maintain a wider field of view while gaining an additional stop of light. This makes it an essential tool for filmmakers and photographers using Sony E-mount and Super35 cameras who want to maximize their existing lens glass.

Precision Engineering and Tantalum Glass

This second-generation ULTRA design incorporates ultra-high index tantalum-based optical glass. This exotic material ensures exceptional corner sharpness, minimal distortion, and reduced vignetting. Whether you are using professional f/2.8 zooms or high-speed primes, the Speed Booster ULTRA II delivers resolution and contrast from the center to the edges of the frame. It effectively transforms a 50mm f/1.2 lens into a 35.5mm f/0.9, providing incredible depth of field control.

• Increased Aperture: Gain one full stop of light, turning an f/2.8 lens into an f/2.0.
• Wider Perspective: Reduces the crop factor of DX-sized sensors to nearly full-frame levels.
• Superior Optics: Advanced glass technology corrects for exit pupil distance across various SLR lenses.