Canon Telephoto EF 400mm f/5.6 L USM Autofocus Lens
- 1 x Canon EF 400mm f/5.6L USM Autofocus Lens
- 1 x 77mm Snap-On Lens Cap
- 1 x Lens Dust Cap E (Rear)
- 1 x Tripod Mount Ring
- 1 x LZ1132 Pouch Case
- 1 x Built-In Hood
- Fast auto-focus
- Superior build quality
- Super-sharp images
- Hand hold capacity is wonderful
- Not to heavy to be able to wear on your neck
This high-performance lens was designed with portability and handling ease in mind. One Super UD-glass element, whose characteristics are similar to fluorite, and one UD-glass element result in sharp pictures from corner-to-corner. The lens also has a built-in hood and a detachable tripod mount.
The Canon EF 400mm f/5.6 L USM Lens is relatively light in weight but very solidly built. It feels long and narrow in your hand - and feels even lighter than it is. This feel is most similar to the Canon EF 300mm f/4.0 L IS USM Lens. The built-in slide-out lens hood is very convenient.
A member of the Canon L Lens Series, the Canon EF 400mm f/5.6 L USM Lens' overall optical and mechanical performance are excellent.
The 400 f/5.6 L internally focuses very fast and quietly thanks in part to a Ring USM (Ultrasonic Motor). FTM (Full Time Manual) focusing is featured and attached filters do not rotate.
CA (Chromatic Aberration) is very well controlled. Color, saturation and contrast are excellent. Bokeh (background blur quality) is very nice thanks in part to an 8-blade aperture. Vignetting is very well controlled. Very minor pincushion distortion is present, but it will not be noticed in most (if any) of your images.
The Canon EF 400mm f/5.6 L USM Lens performs superbly in the sharpness department. Even wide open, the 400 f/5.6 produces very sharp images right into full frame corners - That is if you keep the lens still during the exposure ...
The Canon EF 400mm f/5.6 L USM Lens is a partially weather sealed lens. A lens mount gasket is not present, but the switches and focusing ring have moderate dust and moisture resistance. A front filter should be used for sealing purposes.
The Canon EF 400mm f/5.6 L USM Lens is compatible with and performs very well with the Canon Extender EF 1.4x. Do note that autofocus will be lost on Canon non-pro bodies when using this combination. 1-Series bodies should retain AF capabilities, but only with the center AF point. The 1.4x adds barrel distortion, CA and some reduction in sharpness. The 400 f/5.6 is also compatible with the Canon Extender EF 2x. No Canon bodies will autofocus this 800mm f/11 combination and further degradation of image quality will be noticed. Expect a very dark viewfinder if using the 400 + 2x combo. A notable of minor importance is that the lens diameter at the 400's mount is slightly narrower than the extenders.
The Canon EF 400mm f/5.6 L USM Lens is popular for bird photography and especially birds in flight as it offers lots of reach for a reasonable cost in a relatively light package. Good vignetting performance helps keep even blue skies as they should be - evenly blue. Other uses include general wildlife photography and well-lit field sports.
|Focal Length||400 mm|
|Camera Mount Type||Canon EF|
|Format Compatibility||35mm Film / Full-Frame Digital Sensor
|Angle of View||6°|
|Minimum Focus Distance||11.48'?(3.5 m)|
|Maximum Reproduction Ratio||1:8.3|
|Filter Thread||77 mm|
|Dimensions (DxL)||Approx. 3.5 x 10.1" (8.89 x 25.65cm)|
|Weight||2.75 lb (1.25kg)|
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