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Sigma 200-500mm f/2.8 APO EX DG Ultra-Telephoto Zoom Lens for Canon DSLR Cameras Description:

This ultra telephoto zoom lens offers a fast aperture of F2.8 at the 500mm focal length and F5.6 at the 1000mm. It covers widely-used focal lengths from 200mm to 500mm and has a large aperture of F2.8 throughout the entire zoom range. This lens can be used to create amazing image expression with various types of photography such as astrophotography, portraits, wildlife, sports. SLD (Special Low Dispersion) glass and three ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all type of aberrations. The super multi-layer coating reduces flare and ghosting and provides high image quality from the extremely large aperture. The lens hood, designed exclusively for this lens, blocks out extraneous light. A 72mm filter can be inserted at the rear of the lens, and a circular polarizing filter can be used in situ thanks to the ingenious internal rotation mechanism. The dedicated Li-ion battery BP-21 is used to power the zooming and AF operation. This battery is built in the lens barrel. For the convenience of the photographer, focusing distances and focal lengths can be viewed on the lens’ built-in LCD panel.

• Brand: Sigma
• Model: B0013D8VDQ
• Dimensions: 9.30″ h x 9.30″ w x 28.60″ l, 34.61 pounds

Features

• Ultra telephoto zoom lens; fast aperture of F2.8 at the 500mm and F5.6 at the 1000mm focal length
• Dedicated “Attachment” ensures autofocusing at the 1000mm focal length
• SLD and three ELD glass elements provide high image quality from the maximum large aperture
• Supplied with 72mm filter holder at the rear
• For Canon digital SLRs

Customer Reviews:

Sigma 200-500mm Telephoto Lens
I must admit I did not buy this monster of a lens – it came to me the old fashion way (no it wasn’t stolen) my parents purchased it for me – they have more disposable income than I. Well after having had it for a little while, there are a few things I have learned: 1. Don’t unleash this beast around other photographers or anyone else for that matter unless you are a total camera snob and are trying to compensate for certain inadequacies. 2. Use a monster tripod – this beast weighs over 100 lbs.. 3. Let the lens come to ambient temperature before using. 4. Do not use it for photographing ANYTHING from the deck of your home in San Francisco – unless you want your neighbors phoning SFPD complaining that you are a voyeur – SFPD was impressed with my photos of the Palace of Fine Arts and Alcatraz. Now I wanted this lens for nature photography – this is what I do for fun. Unfortunately, I think the lens is much too large and heavy to be transported with any ease other than hiring a Sherpa.

Best telephoto lens ever
I started shooting with a Nikon D50, and slowly moved up my lens collection until I needed something in the range of focal lengths that this lens offers. Though this lens is for a Canon, I went ahead and ordered this as well as a canon DSLR. The Sigma lens fits superbly in your hands (just like in the photo) and the Canon SLR takes nice shots with it. I even fit it with an IR filter and could photograph solar flare closeups. This lens has added a new dimension to my photography! Thank you Sigma, for releasing such an excellent product.

BUYER BEWARE: Not a cat accessory.
The seller should state that this product is NOT designed to be strapped to a cat. Now I have to look elsewhere for a smaller cat friendly device and a replacement cat. Not to mention all of the hours I have to put into training the new cat for espionage.