Enhance your macro photography with this lens adapter ring set. [Macro Lens Ring]: The EF lens ring helps extend the lens's focal length for close-up shots; it won't alter the optical quality, meaning there's no image degradation. [Compatibility]: These macro lens rings are suitable for most Cano_n cameras with an EF mount; EOS EF EFS series mount lens for DSLR camera. [Specification]: Autofocus macro lens ring type 13mm & 21mm & 31mm; Magnification: 0.24–1.47 times; Focus range: 4.2–21 cm / 1.65–8.26 inches. [Package Included]: 3 x Macro Extension Tube Rings + 2 x Lens Caps + 1 x Storage Bag [Use Alone or Stacked]: To protect your lens motor, we suggest using manual focus mode when combining 2 or 3 rings together. Features: Made from high-quality plastic material, lightweight, sturdy, and durable. 3 rings create 7 different combinations, extending the lens's focal length for close-up shots without altering the optical quality, meaning no image degradation. Provides better image quality than close-up filters, a great replacement for expensive macro lenses for macro photography. The electronics retain the camera's light metering and autofocus function. Fits tightly to the camera's EF mounts. Great accessory for photo enthusiasts. Specification: Material: Plastic Color: Black Mount: EF Lens Ring Type: 13 mm & 21 mm & 31 mm Magnification: 0.24–1.47 times Focus Range: 4.2–21 cm/1.65–8.26 inches Manual Focusing Length: 0.53–5 cm/0.12–1.97 inches Suitable for Canon cameras with EF mount Weight: Approx. 145 g Package List: 1 x Lens Adapter Ring Set 2 x Lens Covers 1 x Storage Bag