Canon RF 200-800 mm F6.3-9 IS USM Telephoto Camera Lenses is a greater reach with flexibility and freedom. Compact. weather resistant design 2050 g. 314 mm length. Optical Image Stabilisation 5.5-stops Optical. Nano USM motor for smooth. fast and quiet autofocus. Combined Focus and Control ring for easy control over camera settings or manual focus. UD lens elements for high image quality and reduced chromatic aberration. Specifications: Image Size: Full Frame. Angle of View (Horizontal. vertical. diagonal): 10 degrees - 2 degrees 35'. 7 degrees - 1 degrees 40'. 12 degrees - 3 degrees 05'. Lens Construction (Elements/Groups): 17/11. Special Optics: 3 x UD. Number of Diaphragm Blades: 9. Minimum Aperture: 32 - 54. Closest Focusing Distance (m): 0.8m (at 200mm). Maximum Magnification (x): 0.25x (at 200mm). Control Ring: Yes. Image Stabilizer OIS1: 5.5 stops2. Image Stabilizer IBIS x OIS3: 5.5 stops. AF Actuator: Nano USM. Coatings: Super Spectra. Lens Cap: E-95. Lens Hood: ET-101. Lens Case/Pouch: LZ1438. Rear End Cap: Lens Dust Cap RF. Extender Compatibility: Compatible with RF Extender only. Other Accessories: Lens Strap 40. Focal Length: 280 - 1120mm. Maximum Aperture: 9 - 13. Maximum Magnification: 0.37. AF Possible: Yes. Image Stabilizer: Yes. Specifications with 2x Extender: . Focal Length: 400 - 1600mm. Maximum Aperture: 13 - 18. Maximum Magnification: 0.54. AF Possible: Yes. Image Stabilizer: Yes.