eTone Metal Bayonet Mount EF-S to EF Repair Parts Lens Converter Adapter for Canon 10-18mm f/4.5-5.6 is Lens Digital SLR Camera Lens Mount Converter

Canon EF S10 18 Lens To EF Lens Mount Adapter', Compatible: Canon EF S 10 18mm IS STM f/4. 5 5. 6 lens Material: Aluminum Alloy Package: 1x EF lens mount with 4x screws Feature: 1This lens mount is for EF S 10 18mm lens to EF mount modification. Please note that the EF S mount lens is design for APS size camera, the image circle is smaller then 135mm full frame (24x36mmcamera. So we are not recommend to use the EF S lens to shoot photos on a full frame camera, because it will result dark corner but it's good for shooting videos at 16:9 mode by using a full frame camera. 2You can still use the modified EF mount lens on an APS size camera, nothing changed. You just change from a plastic mount to a metal mount, more durable.