Canon RF 28 mm F2.8 STM Camera Lenses is a Compact. lightweight. discrete for compact lens design with high image quality. for smooth. fast and quiet autofocus to prevent flare and ghosting. Focus/Control ring and AF/Control/MF switch. For easy control over camera settings or manual focus. Keep on shooting in low light and experiment with background blur. Specifications: Image Size: Full Frame. Angle of View (Horizontal. vertical. diagonal): 65 degrees. 46 degrees . 75 degrees. Lens Construction (Elements/Groups): 8/6. Special Optics: 3 x Pmo. Number of Diaphragm Blades: 7. Minimum Aperture: 22. Closest Focusing Distance (m): 0.23. Maximum Magnification (x): 0.17. Control Ring: combined/focus. Image Stabilizer OIS1: No. AF Actuator: STM. Coatings: Super Spectra. Fluorine: No. Lens Cap: E-55. Lens Hood: EW-55. Lens Case/Pouch: LP811. Rear End Cap: Lens Dust Cap RF. Extender Compatibility: Not compatible.