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Canon EF 800mm f/5.6L IS USM

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Canon EF 800mm f/5.6L IS USM
Canon EF 800mm f/5.6L IS USM
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  • Four-stop Image Stabilizer with tripod detection
  • Fluorite, UD and super-UD lens elements
  • Super Spectra lens coating
  • 8 aperture blades circular opening
  • Dust and moisture resistant
  • Metal mount
Canon EF 800mm f/5.6L IS USM
Canon EF 800mm f/5.6L IS USM
MTF Charts: 
Canon EF 800mm f/5.6L IS USM

Overview

Description by Canon:

The EF 800mm f/5.6L IS USM super-telephoto provides huge magnification, making it suited to wildlife and sports photography, as well as specialist applications, such as surveillance.

  • L-series construction
  • Four-stop Image Stabilizer with tripod detection
  • Fluorite, UD and super-UD lens elements
  • 4.5kg magnesium alloy build
  • Super Spectra lens coatings
  • USM autofocus with full-time manual focus

A super-telephoto lens, boasting very high magnification and excellent image quality.

L-series quality
The L-series is Canon's flagship professional lens range, representing the best in precision-designed EF optics. L-series lenses combine superior performance with superlative handling, and are resistant to dust and moisture.

Four-Stop Image Stabilizer

Image Stabilizer (IS) technology allows the use of shutter speeds up to four times slower than normal, with no perceptible increase in image blur. Automatic panning detection turns off IS in either the horizontal or vertical direction when following moving subjects.

Aspherical, Fluorite, UD and Super-UD elements
For optimum visual performance, the lens incorporates four types of special optical elements: aspherical elements to correct spherical aberrations, and Fluorite, UD (ultra-low dispersion) and Super UD elements to eliminate secondary chromatic aberrations. The result is crisp, high-contrast and undistorted image quality, all the way to the edge of the frame.

Magnesium alloy build
At just 4.5kg, the EF 800mm f/5.6L IS USM is a relatively lightweight super-telephoto lens, suitable for limited hand-held shooting. Its magnesium alloy build keeps its weight comparable to shorter telephoto lenses.

Ultrasonic focusing
A ring-type ultrasonic motor drives autofocus extremely quickly, and in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. Furthermore, full-time manual override is available, making it possible to adjust focus without leaving AF mode.

Super Spectra coating

Super Spectra coatings ensure accurate colour balance and enhance contrast. They also reduce flare and ghosting – a common problem caused by light bouncing off a camera's sensor.

Smooth background blur
A virtually circular aperture diaphragm gives out of focus regions a softer, more uniform feel. Sharp foreground objects stand out against a smooth blurred background.

Reviews

"The Canon 800mm ƒ/5.6L is the longest lens we've ever tested in the lab, and doing so tested our system to the extreme. That said, there aren't exciting results concerning the sharpness profile of the 800mm ƒ/5.6L, but neither will it disappoint. It's a sharp lens, but not tack-sharp: approximately 2 blur units

between ƒ/5.6 and ƒ/11, and between 2-3 blur units at ƒ/16 or ƒ/22. At ƒ/32 it becomes a bit soft and slightly uneven, at around 5 blur units.

Post date: 18/06/2010 - 00:00

"The uncropped 1Ds Mark III Rufous-sided Towhee photo above was shot at 1/80 second at f/6.3 and ISO 400. The 800mm focal length nicely magnifies the OOF (Out of Focus) background and, along with an 8-blade rounded aperture, creates a strongly and attractively blurred background. Slight corner darkening caused by a 25mm extension tube (not needed in this case) can be seen in

Post date: 23/08/2008 - 00:00

Specifications

Specifications
Lens type: 
Fixed Focal Length
Lens Mount: 
Canon EF mount
Canon EFS mount
AF Motor type: 
USM
Optical characteristics
Focal Length: 
800mm
Angle of view: 
3.8°
Zoom Ratio: 
1.0x
Max Magnification: 
0.1x
Lens construction: 
18 elements in 14 groups (Fluorite, UD and super-UD lens elements)
Diaphragm Blades: 
8 aperture blades circular opening
Maximum Aperture: 
f/5.6
Minimum Aperture: 
f/32.0
Aperture ring: 
No
Internal Focusing: 
Yes
Front lens element rotating: 
No
Minimum Focusing Distance: 
6.00m
Distance Scale: 
Yes
Full-Time manual focus: 
Yes
Auto Focus / Manual Focus switch: 
Yes
Stabilization system details: 
Up to 4-stops Image Stabilizer (IS) technology
Physical characteristics
Diameter: 
163.0mm
Length: 
461.0mm
Body material: 
Metal
Weather sealing details: 
Dust-proof and moisture-proof
Filter Diameter: 
52mm Drop in
Lens Hood included: 
Yes

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