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Sigma 500mm f/4.5 EX DG APO HSM Prime Lens for Canon


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Manufacturer # 184101

Our Stock # SG184101

  • Focal length of 500mm (when mounted on an APS-C DSLR the crop factor makes it a 750mm lens on a 35mm format)

  • Maximum Aperture Value of f/4.5

  • HSM (Hyper-sonic Motor)

  • Inner focusing technology

  • 2 Extraordinary Low Dispersion (ELD) elements

  • Multi-layer lens coating technology

  • Compatible with SigmaÕs APO teleconverters

  • 9-blade aperture diaphragm

  • 11 elements arranged in 8 groups

Price: $4,999.00

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500mm f/4.5 EX DG APO HSM Prime Lens

500mm f/4.5 EX DG APO HSM Prime Lens is a fantastic compact super telephoto lens weighing only 7 pounds and measuring 14Ó in length. The lens has a focal length coverage of 500mm (when mounted on an APS-C DSLR the focal length extends to 750mm) plus compatibility with SigmaÕs APO teleconverters gives it an extended reach in exchange for a stop of loss in brightness. The lens encompasses SigmaÕs HSM (Hyper-sonic Motor) technology for quiet auto-focusing, an Inner focusing mechanism, 2 Extraordinary Low Dispersion (ELD) elements and multi layer lens coating for suppressing flares and ghosting.

The Sigma 500mm F4.5 DG APO HSM is a ultra telephoto prime lens designed for Full Frame sensors but may also be used with smaller APS-C size sensors with a corresponding effective increase in focal length to about 750 with most cameras. The 500mm is a unique focal length and its large fixed aperture of 4.5 makes it great for photographing wildlife. A Hyper Sonic Motor (HSM) ensure quiet, accurate and high speed autofocusing working together with an Inner Focusing system which enables additional speed and responsiveness while, the overall length does not change during focusing. Surprisingly compact for its focal length, the 500mm is approximately 14 inches long and weighs slightly less than 7 pounds. Two ELD (Extraordinary Low Dispersion) glass elements provide optimum color correction and sharpness throughout the entire zoom range and a new multi-layer lens coating technology and lens design formula reduce flare and ghosting. Rear insertion 46mm filters with provision for easy rotation of polarizing filters. Also, compatible with the Sigma APO Tele Converters to provide additional focal length as a 700mm F8 or 1000mm F11 lens.

Lens Construction

11 Elements in 8 Groups

Angle of View

Number of Diaphragm Blades


Mininum Aperture


Minimum Focusing Distance

400cm / 157.5in.

Filter Size (mm)

46mm (drop-in type)

Maximum Magnifications



(Diameter x Length)

123mm x Length 350mm / 4.8in. x 13.8in.


3,150g / 111.1oz.

Corresponding Mounts

















HSM -Hyper-Sonic Motor

EX - EX Lens

DG- Designed for Full frame DSLRs and APS-C sized sensors

HSM is not available for Pentax or Sony.

* The appearance, specifications, and the like of the product are subject to change for improvement without notice.

  • Carrying case

  • Hood

  • Circular polarizer

  • Rear cap