Metabones Nikon G to E-mount Speed Booster ULTRA

Nikon G to E mount Speed Booster ULTRA

Features:

• Industry's best aperture ring covers a 8-stop range markings, clearly indicating actual number of f-stops. No more guesswork! (Patent pending).
• Compatible with both Nikkor G lens & F lens (include non-AI & AI lens mounts).
• Advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell Photographic in the USA (patent pending).
• Increase maximum aperture by 1 stop.
• Increase MTF.
• Makes lens 0.71x wider.
• The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.

This Speed Booster ULTRA is NOT fully compatible with full-frame Sony A7, A7R and A7S. When the Speed Booster are used with Sony A7, A7R or A7S the camera is required to be used in the "APS-C Size Capture" mode.