Aputure AMOF10FRESNEL F10 Fresnel Light AttachmentShape Your Light: Aputure F10 Fresnel Attachment The Aputure F10 Fresnel is a versatile light modifier designed to enhance your Aputure LED lights. With its 10 inch glass Fresnel lens and adjustable beam angle, it allows for precise control over light intensity and direction. Up to 200,000 lux @ 3. 28' with the Aputure LS 600d 15 to 45 variable beam angle 10" Glass Fresnel lens Dual lens optical design, Compatible with F10 Barn Doors Seamless focus