Canon EF 100-400mm f4.5-5.6 L IS USM

Canon EF 100-400mm f4.5-5.6 L IS USM The Canon EF 100-400mm f/4.5-5.6 L IS USM Lens has an excellent focal length range that includes the longest focal length found in a Canon zoom lens - 400mm. This long focal length and focal length range combined with very good image and build quality, make the 100-400 one of the most popular serious wildlife and sports lenses Canon sells. The Canon EF 100-400mm f/4.5-5.6 L IS USM Lens' wide focal length range makes it an excellent landscape lens. Compatibility with the Canon Extender EF 1.4x II and Canon Extender EF 2x II adds to the Canon EF 100-400mm f/4.5-5.6 L IS USM Lens' already-high versatility. The Image Stabilizer gives the equivalent effect of a shutter speed two stops faster Minimum focusing distance of 1.8 metres at all focal lengths Manual focusing possible in the AF mode (full-time mechanical manual focusing) The wide zoom ring is covered with rubber for linear movement HIGH PERFORMANCE TELPHOTO ZOOM LENS WITH IMAGE STABILZER The EF 100-400mm f/4.5-5.6L IS USM is Canon's fourth Image Stabilizer lens. It is a high-performance L-series telephoto zoom lens offering sophisticated features and high image quality which is to succeed the existing EF 100-300mm f/5.6L lens. Besides having an Image Stabilizer, this new lens also features enhancements such as ring USM for silent AF, rear focusing, a longer focal length range, and fluorite and Super UD elements which correct secondary chromatic aberrations for high image quality. It is the first EF zoom lens to have both rear focusing and a floating system to obtain high image quality at all focal lengths. Compatible with Extender EF 1.4x and EF 2x. The wide focal length range and long max focal length combined with excellent image quality make the Canon EF 100-400mm f/4.5-5.6 L IS USM Lens a highly versatile and a very popular lens. Canon 100-400mm Specifications: Image size: 24x36mm Macro feature: None Zoom type: 6-group linear zoom (zoom extension: 79.6mm) Front of lens barrel moves Lens mount type: Canon EF mount Focal length, aperture ratio: 100-400mm, 1:4.5-5.6 Minimum focusing distance: 1.8m Manual focusing: Set focus mode switch, operate manual focusing ring (full-time mechanical manual focusing system) Dimensions and weight: 92mm diameter x 189mm, 1360g (prototype weight) Magnification: At 100mm - 0.06x At 400mm - 0.20x Angle of view at infinity: Diagonal (43.2mm) - 24ø-6ø Vertical (24mm) - 14ø-3ø Horizontal (36mm) - 20ø-5ø Field: At 100mm - 393x591 At 400mm - 119x177 Coating: Super spectra coating Filter size: 77mm diameter, P=0.75mm. (Up to 1 filter attachable) Lens configuration: 17 elements in 14 groups (fluorite element for G3, Super UD glass for G7) Aperture blades: 8 Aperture control: Pulse control with EMD (enabled simultaneously with AF drive) Aperture value/indicator: Maximum: f/4.5-5.6 (indicator on lens barrel), Minimum: f/32-38 (f/32-40 for lenses featuring 1/3-stop increments Rotation angle: 62ø Drive system: Ring USM drive Drive noise: 40dB or less (based on Canon's Standard Test Method) Drive speed: H/0.54 to L/1.67 seconds or shorter (lens drive speed from infinity to minimum focusing distance) Depth of field markings: None Signal transmission: EOS signal transmission, including 5 types of information (including absolute distance information) 1 - Lens mode 2 - Lens type 3 - Metering information 4 - Focal length 5 - AF drive information Focusing range: 1.8m to infinity (at all focal lengths) Infrared index: Provided Focusing extension mechanism: Rear-focusing method, with focusing cam operating the floating elements, groups 4 and 6 Focusing distance limiting switch: Two focusing distance ranges can be set 1 - 1.8m-infinity 2 - 6.5m-infinity