Jrifedptry - Lens Adapter Ring for Lens to EF

High Quality: All-metal precision machining, aluminum alloy ring body with fine copper bayonet ( not wear the lens), , the inner wall is painted and matt treated to avoid reflection on the CMOS and affect the imaging. Function: manual operation, manual focus, manual aperture adjustment, manual exposure with the camera body, aperture priority exposure, and focus. Product weight: 38g Workmanship: The workmanship is very delicate, and it is closely and smoothly combined with the bayonet.