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Canon EF 17-40mm F/4L USM Lens

Model Specifications

Brand Canon Model EF 17-40mm F/4L USM
Mount Canon EF Max FLM 1X
Focal Range 17 - 40mm View Angle 104 - 57°
Max ApertureF4Min ApertureF22
Min Focus28cmMagnification0.24X
Filter Size77mm Aperture Blades
Size (D x L)84 x 97mm Weight500g
TiltN / A ShiftN / A
StabilizationNo ProtectionWeatherproof
Zoom Mechanism Internal Focus Mechanism Internal
Focus Motor Super Sonic Focus Drive AF with quick-shift
Hood BayonetFeaturesRear gelatin filter holder.
Perspective RectilinearIntroduced

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Canon 17-40mm F4 Facts

Canon EF 17-40mm F/4L USM
Weatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Zoom LensZoom LensRectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.
17-40mm Focal-Range F4 Constant Aperture
77mm Filter Thread AF with quick-shift
Canon EF Mount 1 Max Crop-Factor
500g Lens Weight 84 x 97mm (D x L)
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