CANON RF-S 55-210mm F5-7.1 IS STM

Canon RF-S55-210mm F5-7.1 IS STM

Lens Specifications
•    Lens Type: RF-S Telephoto Zoom Lens 
•    Lens Mount: Canon RF Mount 
•    Focal Length: 55–210mm 
•    35mm-Equivalent Focal Length on APS-C: Approx. 88–336mm 
•    Maximum Aperture: f/5–7.1 
•    Minimum Aperture: f/22–32 
•    Designed primarily for Canon EOS R-series APS-C cameras 
•    When mounted on a compatible full-frame EOS R-series camera, the camera automatically switches to 1.6× crop mode. 

Optical Design
•    Lens Construction: 11 elements in 8 groups 
•    Special Elements: 2 UD Elements + 1 PMo Aspherical Element 
•    Aperture Blades: 7

Autofocus & Focusing
•    AF Drive System: Leadscrew-Type STM (Stepping Motor) 
•    Provides smooth and quiet autofocus for stills and video 
•    Full-Time Manual Focus: Supported with compatible EOS R-series cameras 
•    Focus / Control Ring: Dual-function electronic ring 
•    Focus or control-ring function is selected through the camera menu 
•    On EOS R5 / R6 / R / Ra / RP, the ring can only function as a focusing ring 
•    AF/MF Switch: None — focus mode is selected through the camera menu 

Close Focusing
•    Minimum Focusing Distance at 55mm: Approx. 1.0m / 3.28 ft. 
•    Minimum Focusing Distance at 210mm: Approx. 0.73m / 2.4 ft. 
•    Maximum Magnification at 55mm: 0.05× 
•    Maximum Magnification at 210mm: 0.28× 

Image Stabilization
•    Optical Image Stabilizer: Built-in 
•    Lens IS: Up to 4.5 stops 
•    Canon rates this at 210mm with EOS R10, based on CIPA standards 
•    Coordinated IS: Up to 7.0 stops with a compatible IBIS-equipped camera 
•    Canon rates the 7-stop figure at 210mm with EOS R7, based on CIPA standards. 

Filter
•    Filter Diameter: 55mm 

Dimensions & Weight
•    Maximum Diameter: Approx. 69.0mm 
•    Length: Approx. 92.9mm 
•    Weight: Approx. 270g 

Compatible Cameras
•    Compatible with Canon EOS R-series APS-C cameras 
•    Compatible with supported full-frame EOS R-series cameras in automatic 1.6× crop mode 
•    No mount adapter required 
•    Canon notes that when using this lens with EOS R7 or EOS R10, firmware Version 1.3.0 or later should be installed.