Metabones Contax Yashica Lens to Micro Four Thirds Speed Booster ULTRA 0.71x f/3.5-4.8 Anti-glare Film

Anti-glare Film

a 50mm f/1

Although this is not a permanent conversion

and this aperture also benefits working in difficult lighting

7mm Lens provides HD video in a small form factor

Metabones Contax Yashica Lens to Micro Four Thirds Speed Booster ULTRA 0.71x f/3.5-4.8 Anti-glare FilmMetabones Contax Yashica Lens to Micro Four Thirds Speed Booster ULTRA 0. 71x New optical design: advanced 5 element 4 group optical design incorporating ultra high index tantalum based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting. Like the revolutionary original Metabones Speed Booster announced in January 2013, the Speed Booster ULTRA has a magnification of 0. 71x, and