Canon EF 1200mm lens
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| EF 1200mm f/5.6L USM | |
| Key features | |
|---|---|
| Maker: | Canon |
| Image stabilization: |  No |
| Ultrasonic motor: |  Yes |
| Application: | Super Telephoto |
| Technical data | |
| Type: | Prime |
| Focal length: | 1200mm |
| Aperture (max/min): | f/5.6 - f/32 |
| Construction: | 10 groups / 13 elements |
| # Diaphragm blades: | 8 |
| Close focus distance: | 45.9' / 14m |
| Max. magnification: | 1:11.1 |
| Physical | |
| Max. diameter: | 8.9" / 22.8cm |
| Max. length: | 32.9" / 83.6cm |
| Weight: | 36.37lbs / 16.5kg |
| Filter diameter: | 48mm (drop-in) |
| Accessories | |
| Lens hood: | Built-In |
| Case: | Exclusive |
| Angle of view | |
| Horizontal: | 1°45' |
| Vertical: | 1°10' |
| Diagonal: | 2°05' |
| History | |
| Introduced: | July 1993 |
| Retail info | |
| MSRP US$ | $89,579 |
The EF 1200mm f/5.6L USM is one of very special and rare super-telephoto prime lens made by Canon Inc.
This lens has an EF type mount, that fits the Canon EOS line of cameras.
When used on a digital EOS body with a field of view compensation factor of 1.6x, such as the Canon EOS 400D, it provides a narrower field of view, equivalent to an 1920 mm lens mounted on a 35mm frame body. With a 1.3x body such as the Canon EOS-1D Mark III It provides a less narrow field of view, equivalent to an 1560mm lens mounted on a 35mm frame body.
This lens is most commonly used by sports and wildlife photographers, or any subject that cannot be reached with a shorter super-telephoto lens.
[edit] Technical information
The EF 1200mm f/5.6L USM is a professional L series lens, that may be discontinued[citation needed]. This lens is constructed with a metal body and mount, and with plastic extremities and switches. Features of this lens are: a wide rubber focus ring that is damped, a distance window with infrared index, the ability to limit the focus range, a focus-preset mechanism, and the ability to set the AF speed. An 8 blade, maximum aperture of f/5.6, gives this lens the ability to create depth of field effects. The optical construction of this lens contains 13 lens elements, including two large fluorite lens elements. This lens uses an inner focusing system, powered by a ring type USM motor. Manual focusing is rendered by wire, this lens does not have a direct mechanical connection to the focusing ring, therefore this lens does not have FTM (full time manual) focusing mode. The manual focus speed is adjustable: 1 = 1/2 standard (for precision), 2 = standard and 3 = 2x standard (for fast-moving subjects). The front of the lens does not rotate nor extend when focusing. This lens does not have a typical rotating tripod mount like other telephoto lenses. However the lens mount can be rotated and locked, this allows the lens to be used in horizontal and vertical shot formats. This lens is compatible with the Canon Extender EF teleconverters.
This lens comes with its own heavy-duty tripod and case, and is built only by request.
Few of these lenses exist; Sports Illustrated magazine owns two of them, as does Canon Professional Services and James Jannard, the billionaire founder of Oakley. [1]
[edit] External links and references
- Canon Europe - EF 1200mm f/5.6L USM
- Canon Museum - EF 1200mm f/5.6L USM Block diagram
- The lens in action
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