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Sigma

Sigma 50-500mm f/4-6.3 EX APO EX DG HSM Telephoto Zoom Lens for Olympus Four Thirds Mount Digital SLR Cameras.

SKU: SG50500NOM MFR: 736107
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About this item

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 HSM Hyper Sonic Motor 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 elementwhich 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 140-700 .... ..7.3-8.8 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..

Summary of Customer Reviews

(5)
Customers most agreed on the following attributes:
Pros:
Consistent output (5) , Easily interchangeable (5) , Fast / accurate auto-focus (5) , Durable (4) , Strong construction (4)
Cons:
Heavy (3)
Best Uses:
General purpose (3) , Sports/action (3) , Wildlife (3)
Reviewer Profile:
Enthusiast (3) , Semi-professional (2) , Casual user (1)

Key Features

  • High Magnification Ultra Telephoto Zoom Lens, with a 10x zoom ratio from 50mm to 500mm, optimized for digital SLR cameras.
  • Most effective coating for minimizing flare and ghost with digital SLR cameras.
  • Triple-cam Rear Focusing System ensures high precision throughout the whole focus range.
  • Uses four SLD (the special low dispersion) glass elements for superior optical performance.
  • Accepts both 1.4X and 2X APO EX Tele-Converters, the lens can be used as a 1000mm ultra-telephoto zoom lens.

Technical Specs

Construction 16 Groups /20 Elements
Angle of view 46.8° - 5°
F stop range 22
Closest Focusing Distance 100-300cm / 39.4-118.1 "
Maximum Magnification 1:5.2
Filter Size 86mm C
Dimensions (Length x Diameter) 95 x 218mm / 3.7 x 8.6"
Weight 1,842g / 64.9oz.
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