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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. This ultra-zoom lens employs a seven-group zoom system, which provides a high zoom magnification of 10x. Triple-cam Rear Focusing System ensures high precision throughout the whole focus range.
The new lens coating reduces flare and ghost, which is a common problem of digital cameras and also creates an optimum color balance.
This lens uses four pieces of SLD (the special low dispersion) glass for excellent correction of color aberration. A zoom lock switch eliminates ‘zoom creep’ during transportation, a convenient addition when traveling. The HSMï¼ÂÂHyper Sonic Motorï¼Â models provide quiet high-speed AF function, as well as full-time manual focus capability., The rear focus mechanism produces a non-rotating front lens element which accepts a bayonet "Petal-type Hood", which prevents extraneous light from degrading the image quality.
By adding an APO teleconverter (sold separately), you can use this lens as a 140-700mm F7.3-8.8 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.ï¼ÂÂTeleconverters can be used in 100mm – 500mm focal length rangeï¼ÂÂ
Specifications:
Focal Length: 50-500mm
Minimum Aperture: F22
Lens Construction: 20 Elements in 16 Groups
Angle of View: 46.8°- 5°
Number of Diaphragm Blades: 9pcs
Minimum Focusing Distance: 100cm –300cm(39.3”-118.1”)
Maximum Magnification: 1:5.2
Filter Size: 86mm
Lens Hood: Petal Hood
Dimensions: Diameter 95mm (3.7”) x Length 218.5mm (8.6”)
Weight: 1842gr/64.9oz
