Sell Viltrox EF-E II Speed Booster 0.71x Auto Focus Lens Adapter for Canon EF Lens to Sony E-Mount Camera A9 A7rIII A7rII A7I best price

Feature: With auto focusing function Suppot CDAF and PDAF focus model Can increase the lens 3 f-stop, increasing the amount of light into the virtual background, can better highlight the theme Reduced imaging focal length, the actual focal length after using EF-E for 0.71 times the focal length Let half frame cameras can take photos as full frame cameras Aperture can be accurate through ring expansion corresponding action Zinc alloy technology, stable and reliable Signal transmission using PIN gold needle, greatly enhance its transmission performance Ring at the bottom with 1/4 screws, which can easy installed on the tripod or other fixed bracket Upgraded Function(Comparison with EF-E I): 1.Two Auto Focus model : a) PDAF(phase detection auto focus): Focus speed is faster. b) CDAF (contrast detection auto focus):Focus success rate is higher 2.Firmware upgrade can be operated via the USB port. 3.Support more Canon lenses and Sony E mount cameras Notice: 1.To update adapter firmware, latest firmware can be download from official website, connect adapter to computer with USB cable and copy the file into adapter memory. Do not required to attach lens or camera. 2.To change AF mode, switch to desired AF mode on adapter, then turn off camera, take out battery, insert battery and turn camera back on again for camera to recognize new AF mode as a new lens. Slow focus will happen on low end lenses in CDAF mode. 3.VG series does not support AF. Specifications Optical configuration: 4 elements 4 groups Focus length multiplier: 0.71 Tripod socket: Cu 1/4" * 1 Max. diameter and length: 71 * 83mm / 2.8 * 3.3in Product size: 8 * 6.5 * 4cm / 3.1 * 2.6 * 1.6in Product weight: 202g / 7.1oz Package size: 10 * 9 * 6cm / 3.9 * 3.5 * 2.4in Package weight: 307g / 10.9oz Notes: -This Speed Booster adapter 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. -It cannot be used in EF-S lens. Package List: 1 x Viltrox EF-E II adapter 1 x Tripod Mount Knob 1 x Front Cover 1 x Rear Cover Suitable for: Compatible lens: Canon EF series lens (include Tamron,Sigma,Tokina,Zeiss etc EF mount lens), don't suit for EF-S lens Compatible camera and camcorder E-mount full frame camera A9,A7RIII, A7RII, A7SII, A7II, A7S, A7R, A7,A7M, A7MII E-mount APS-C frame camera A6500,A6300,,A6000,A5100, A5000, A3000,QX1, NEX-7, NEX-6,NEX-5, NEX-5N, NEX-5R, NEX-5T, NEX-3, NEX-C3, NEX-F3,NEX-3N E-mount camcorder NEX-VG30,NEX-EA50,NEX-VG900,NEX-FS700,NEX-FS100,NEX-VG10,NEX-VG20