This item can allow the C/Y series lens to be used perfectly on camera from Sony?∨ increasing aperture to get nearly full-frame effect.Features:This item can allow the C/Y series lens to be used perfectly on camera from Sony.Manual focus.Special optical configuration?∨ 4 elements 4 groups.With 1/4 Screw hole?∨ can be attached to tripod mount.Comes with covers and a plastic case for protection and ease of transport.Specifications:Compatible lens: C/Y series lensCompatible cameras: for Sony E-mount seriesOptical configuration: 4 elements 4 groupsMax. diameter and length: 71 * 83mm / 2.8 * 3.3inPackage size: 10.5 * 9.5 * 6cm / 4.1 * 3.7 * 2.4inPackage weight: 319g / 11.26ozPackage List:1 * Adapter 1 * Screwdriver2 * Covers1 * Box"
