Description
- 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.
