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Home  >  Pentax Lenses >  Item # SG50500SPA (MFR# 738-109)
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APO 50-500mm F4.5-6.3 DG OS HSM f/ Pentax AF
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Sigma APO 50-500mm F4.5-6.3 DG OS HSM f/ Pentax AF

Condition: Brand new, USA Warranty
Lens Construction: 22 Elements in 16 Groups, Angle of View: 46.8-5.0 degrees, Number of blades: 9pcs (Rounded diaphragm), Min Aperture (W): F22, Min Focusing Distance: 19.7-70.9 in./ 50-180cm, Max: 1:3.1 (f=200mm), Filter Size Diameter: 95mm

The Sigma APO 50-500mm F4.5-6.3 DG OS HSM is a 10x high zoom ratio ultra telephoto zoom lens incorporating Sigma's original Optical Stabilizer function. This lens covers a wide range of focal lengths from 50mm to 500mm ultra telephoto. The OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. For Sony and Pentax mount, the built-in OS function of this lens can be used even if the camera body is equipped with an image sensor shift anti-shake system.As compensation for camera shake is visible in the view finder, the photographer can easily check for accurate focus and ensure there is no subject movement. Four SLD (Special Low Dispersion) glass elements provide excellent correction of color aberration. The Super Multi-Layer Coating reduces flare and ghost and ensures high image quality throughout the entire zoom range. This lens has a maximum magnification ratio of 1:3.1 (at the focal length of 200mm) making it ideal for close-up photography. It incorporates HSM (Hyper Sonic Motor), ensuring quiet and high speed AF as well as full-time manual focus capability. The addition of the optional 1.4x EX DG or 2x EX DG APO Tele Converters produce a 70-700mm F6.3-8 or a 100-1000mm F9-12.6 MF zoom lens respectively. This lens is equipped with a Petal-type hood to block out extraneous light. The filter size of this lens is 95mm and the lens is supplied with a step down ring enabling digital cameras with an APS-C size image sensor to use an 86mm filter.

Warranty - 1 year America Warranty + 3 year USA extended warranty on manufacturing and workmanship for a total of 4 years of coverage from date of purchase.

Specification (For Sigma mount)

  • Lens Construction: 22 Elements in 16 Groups
  • Angle of View: 46.8-5.0 degrees
  • Number of blades: 9pcs (Rounded diaphragm)
  • Minimum Aperture (W): F22
  • Minimum Focusing Distance: 19.7-70.9 in./ 50-180cm
  • Maximum: 1:3.1 (f=200mm)
  • Filter Size Diameter: 95mm
  • Lens Hood: Petal-type hood (LH1030-01) supplied
  • Dimensions: Diameter4.1in.?8.6in./104.4mm?Length 219mm
  • Weight 69.5oz./1,970g

Customer Reviews
Sigma APO 50-500mm F4.5-6.3 DG OS HSM f/ Pentax AF

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4 out of 5 stars   The zoom range makes this lens!
By Bwenze (Ronoake, TX) December 13, 2013
Review submitted for Sigma APO 50-500mm F4.5-6.3 DG OS HSM f/ Pentax AF (SG50500SPA)
Pros: OS works very well, Durable, Easily Interchangeable, Consistent Output, Fast / accurate auto-focus, Amazing zoom range
Cons: Poor in Low Light, Heavy
Other Comments: I have used this lens for portraits and has done better than expected for a lens like this. It's great for wildlife due to the amazing zoom range and the fact that you don't have to switch lenses. I would reccomend getting a carrier for it if your going to be walking around for a long time.
I recommend this product Yes, I recommend this product
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Vivitar 95mm Multicoated UV Protective Filter
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