PRESERVE IMAGE QUALITY - Maintains your lens's original optics and performance, ensuring no degradation in image sharpness or clarity when adapting Canon EOS lenses to Fujifilm GFX cameras. RETAIN AUTOFOCUS FUNCTIONALITY - Enables full autofocus capabilities, allowing for quick and precise focusing with Canon EF/EF-S lenses on Fujifilm G-mount cameras for sharp, detailed images. CONTROL APERTURE EASILY - Seamlessly adjust the aperture settings directly from your Fujifilm GFX camera body, providing complete control over depth of field and exposure for creative photography. ENHANCE LENS COMPATIBILITY - Expands the range of lenses usable with your Fujifilm GFX system, opening up creative possibilities by adapting Canon EOS (EF / EF-S) D/SLR lenses effortlessly.