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Sigma APO 50-500mm F4-6.3 EX DG HSM (Pentax)

Product Information

High Magnification Zoom Lens with a 10x zoom ratio. Optimized for digital SLR cameras.

This high zoom ratio lens is optimized for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto.

Reduction of Flare and Ghosting

The advanced optical design is optimized for digital SLR cameras. In addition, the new super coating on each glass surface produces superb color rendition, while reducing flare and ghosting.

SLD glass for superior optical performance

This lens uses four pieces of SLD (the special low dispersion) glass for excellent correction of colour aberration throughout the entire zoom range.

HSM (Hyper Sonic Motor)

The HSM models (the HSM is only available for AF Canon, Nikon, Four Thirds and Sigma Mounts) provide quiet high-speed AF function, as well as full time manual focus capability.

APO Tele-Converter EX (optional)

By adding an APO teleconverter (sold separately), you can use this lens as a 140-700ÇçÇç Çe7.3-8.8 MF ultra-telephoto zoom lens with a 1.4X EX teleconverter, or as a 200-1000mm F10.4-12.6 MF ultra-telephoto zoom lens with a 2X teleconverter.(Teleconverters can be used in 100mm – 500mm focal length range)

Easy Operation and Handling

This lens also features a Zoom Lock device to eliminate "Zoom Creep" when the lens is tilted down. When the lens is set to the 50mm focal length, it is remarkably compact and provides easy handling. The tripod mount is composed of magnesium, to minimize total weight and also it is easy to grip and carry the lens due to ergonomic design of the tripod mount.
Non-rotating front lens elements, due to rear focus mechanism make possible the use of a custom bayonet "Petal-type Hood", which prevents extraneous light from degrading the image quality. This mechanism also allows the use of circular polarizing filters, since the front barrel does not rotate during focusing or zooming.

Technical Details

Focal Length	50-500mm
Minimum Aperture	F22
Lens Construction	20 Elements in 16 Groups
Angle of View	46.8 - 5 degrees
Number of Diaphragm Blades	9 Blades
Minimum Focusing Distance	100-300 cm/39.4-118.1 in.
Maximum Magnification	1:5.2
Filter Size	86mm
Dimensions	Diameter 95mm X Length 218.5 mm 3.7 in. X 8.6 in.
Weight	1,840g/64.9 oz.
Corresponding AF Mounts	SIGMA, CANON, NIKON (D) PENTAX SONY FOUR THIRDS

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Price: $2132.10

Product Code: 08370-00080-00

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