Sigma 800mm F5.6 EX DG APO HSM Len

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DESCRIPTION
The Sigma 800mm f/5.6 EX DG APO HSM is an apochromatic extreme-telephoto lens with a fast f/5.6 maximum aperture. The ultra-quiet Hyper Sonic Motor (H.S.M.) and Internal Focusing features assist autofocus speed and handling.
The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor.
This lens is ideal for capturing wildlife and sports photography.
Powerful and silent Hyper Sonic Motor enables fulltime manual focus override
Sigma's dedicated APO EX 1.4x and 2x teleconverters can be used with this lens, effectively converting it into a 1120mm f/8 or 1600mm f/11 lens
Two Extra-Low Dispersion glass elements reduce chromatic aberration to a minimum
A rotating filter holder in the rear of the lens barrel enables easy use of the included circular polarizer
Lead and arsenic free ecological glass

SPECIFICATION
Performance
Focal Length 800 mm
Aperture Maximum: f/5.6
Minimum: f/32
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 3.1°
Minimum Focus Distance 22.97' (7.00 m)
Magnification 0.11x
Maximum Reproduction Ratio 1:8.8
Groups/Elements 9/12
Diaphragm Blades 9
Features
Image Stabilization No
Autofocus Yes
Tripod Collar Yes
Physical
Filter Thread Rear: 46 mm
Dimensions (DxL) Approx. 6.2 x 20.5" (15.75 x 52.07 cm)
Weight 10.45 lb (4.74 kg)

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