● Ideal Aperture with 12 Diaphragm Blades
● Aluminum Body and Copper Core, Sonnar Structure. Compact and Lightweight 14.1oz/400g
● With A Techart LM-EA7 Leica M Lens to Sony E-Mount Adapter, this lens can be Auto-Focus When Used with Sony a6300/a6500/A7II/ A7RII/A9
● Super Optical Quality: Optimized for Working on Full Aperture with the Great Sharpness and Contrast. High Refractive Optical Glasses (More than 1.9). Fast Aperture and Lowest Chromatic Aberration