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Lens
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Focal Length
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100-400mm
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Maximum and Minimum Aperture
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(Max.) f/5.6 – f/8 (f/8 at 400mm position)
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(Min.) f/32 – f/45 (f/45 at 400mm position)
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Lens Mount Type
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RF Mount; Metal Mount
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Minimum Focusing Distance
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3.94 feet (1.2m) at 100mm
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2.89 feet (0.88m) at 200mm
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3.44 feet (1.05m) at 400mm
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Maximum Magnification
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0.41x, at 400mm (0.09x at 100mm)
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Field of View, at Minimum Focus Distance
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Approx.
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(100mm) — 10.2 x 15.2 in. (260 x 386mm)
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(400mm) — 2.2 x 3.3 in. (57 x 85mm)
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Angle of View (Diagonal)
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Approx. 24° – 6°10"
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Extender RF Compatibility
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Compatible with Canon Extender RF1.4x ! RF2x
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Yes
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Equivalent Focal Length ! Maximum Aperture
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RF1.4x — 140mm–560mm, f/8–11
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RF2x — 200–800mm, f/11–16
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Maximum Close-focusing Magnification
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RF1.4x — 0.12x – 0.58x
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RF2x — 0.18x – 0.83x
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Autofocus with EOS R Series Cameras (as of September 2021)
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Possible with either extender, at all zoom settings
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Image Stabilizer, with EOS R series Cameras (as of September 2021)
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Possible with either extender, at all zoom settings
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Optical Design
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Lens Construction
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12 elements in 9 groups
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Special Elements
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(One) UD-glass element
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(One) Aspherical element
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Lens Coating
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Canon SSC (Super Spectra Coating)
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Filter Size Diameter
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Ø67mm
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Aperture Blades
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9; circular shape
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Focusing
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Focusing Drive System
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Nano USM; rear focusing system
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Full-time Manual Focusing
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Yes (Lens Electronic MF)
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Dual Pixel CMOS AF Coverage (Horizontal x Vertical)
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EOS R, EOS RP
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Approx. 88% x 100%
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With Extender RF1.4x — approx. 80% x 80%
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With Extender RF2x — approx. 40% x 60%
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EOS R5, EOS R6
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Approx. 90% x 100%
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Face+Tracking horizontal: approx. 100% x 100%
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With Extender RF1.4x — approx. 80% x 80%
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With Extender RF2x — approx. 40% x 60%
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Image Stabilization
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IS on–off
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Image Stabilizer switch, on lens barrel
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Optical Image Stabilization
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Provided
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5.5 stops optical IS correction (at 400mm)
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Conforms to CIPA test standards, using EOS R
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Coordinated IS (with EOS R-series cameras having In-Body Image Stabilization)
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Provided
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6 stops Coordinated IS correction (at 400mm)
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Conforms to CIPA test standards, using EOS R-series cameras with In-Body Image Stabilization
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IS Mode Selection
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None (Automatic switching to panning correction IS, when panning is detected)
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Panning Mode Support (SCN mode)
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Supported
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Exterior Design
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Control Ring
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Provided (with click-stops)
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Programmable via “Customize Dials” in camera’s Custom Functions menu
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58 clicks per revolution
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Clicks can be removed by Canon service center, for a service fee
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Manual Focus Ring
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Electronic ring system
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Full-time Manual focus possible
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No physical limit to ring rotational angle
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Distance Scale
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None
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Distance scale available in EVF or Live View LCD screen of compatible EOS R cameras
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Distance Limiter Switch
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None
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Dust ! Weather Resistant Construction
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None
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Dimensions, Weight
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Maximum Outer Diameter x Length
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Approx. 6.48 in. x ø3.13 in. (164.7 x ø79.5mm)
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Weight
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Approx. 22.4 oz. / 1.4 lb. / 635g
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Accessories
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Lens hood
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Canon ET-74B
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Optional accessory, sold separately
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Lens Cap
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(Front) Canon E-67 II (center pinch-type) (Bundled)
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(Rear) Canon Dust Cap RF
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Dust Cap
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Canon Lens Dust Cap RF (Bundled)
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Lens Case
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Canon Lens Case LP-1224
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Optional accessory, sold separately
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Extension Tubes
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None (No Canon RF mount extension tubes)
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Close-up Lenses 250D ! 500D
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None (no 67mm size available)
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