Sigma Telephoto 500mm f/4.5 EX DG APO HSM Autofocus Lens for Canon EOS

Model #184101

USA Version
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Filter thread Rear: 46 mm
Dimensions (dxl) Approx. 4.8 x 13.8" (12.19 x 35.05 cm)
Weight 6.82 lb (3.09 kg)


Diaphragm blades 9
Camera mount type Canon EF
Magnification 0.12x
Groups/elements 8/11
Focal length 500 mm
Minimum focus distance 13.12' (4.00 m)
Maximum reproduction ratio 1:7.7
Angle of view
Format compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Aperture Maximum: f/4.5
Minimum: f/32


Autofocus Yes
Tripod collar Yes
Image stabilization No
Expert Reviews
What digital camera.32818507
27 November 2009

So has Sigma been over-ambitious? Yes, a little. This would be a much better performer if it were a 50-400mm zoom, especially given that it is compatible with Sigma’s 1.4x and 2.0x tele-converters for when extra reach is needed.

  • +

    A very versatile lens

  • -

    Poor performance at 500mm

26 June 2008

Overall this lens performs extremely well and produces some excellent shots. In the specialist areas where it would be used, such as Wildlife and sports, it proves easy to handle and, just as importantly, carry.

  • +

    Good build and finish, Fast quiet autofocus, Very usable wide open, Manageable for its type, Close focus distance is good.

  • -

    Lacks a little contrast, Hood a little short for the focal length.

User Reviews
B h photo.32817553
15 December 2014

I've testing this lens for a week now and I cannot find any faults with it. I use it on my Pentax K-3 for wildlife photography. The lens is tack sharp at f4.5 through f11. On Pentax equipment,the lens does not have Sigma's HSM technology but autofocuses using the older screw-drive technology.

  • +

    Durable, Easy To Use, Reliable

26 March 2014

OK, so it is not the Canon f4.L lens, but it is less than 1/2 the cost. I use this lens to shoot wildlife, mainly BIF. Tracking with this lens took a while to get use to because of its size and weight. Now that I have used it for a while I love it!

  • +

    Consistent Output, Durable, Fast / accurate auto-focus, Nice Bokeh, Rugged, Strong Construction

  • -


15 July 2015

Changed from my previous trusty Sigma 50-500, to the slightly heftier 500 EX DG IF APO. Even at these weights, there is a strengthening curve, where you can shoot with it for up to 15 seconds before starting to shake, to extending it to a minute.

Product Highlights
    Average Expert Score
    Average User Score
    In The Box
    • Sigma Telephoto 500mm f/4.5 EX DG APO HSM Autofocus Lens for Canon EOS
    • Front Slip-on Lens Cap
    • Rear Lens Cap
    • Lens Hood
    • Soft Case
    • Two 46mm Rear Drop-In Filters:
    • Circular Polarizer
    • Normal (UV)
    • Front Protective Filter
    • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
    • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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