Sigma 170-500 mm f/5-6.3 RF APO Lens 
Sigma 170-500 mm f/5-6.3 RF APO Lens

 
Sigma 170-500 mm f/5-6.3 RF APO Lens

Model: 170-500 mm f/5-6.3 RF APO
Camera Type: 35 mm SLR
Lens Type: Telephoto (65 to 600mm)
MPN: 170-500 f5-6.3 apo
Type of Focus: Autofocus
Lens Brand: Sigma
Product ID: EPID48202375
Description: This great lens combines a 5 lens group zoom system with an aspherical lens element to deliver sharp high contrast images throughout the entire zoom range. Using Sigma's unique apochromatic lens design and three SLD glass elements, the a...
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Product Description
This great lens combines a 5 lens group zoom system with an aspherical lens element to deliver sharp high contrast images throughout the entire zoom range. Using Sigma's unique apochromatic lens design and three SLD glass elements, the aberrations usually found in ultra-telephoto lenses have been eliminated. And with Sigma's new focusing system, the front lens group doesn't rotate, which makes using polarized filters a snap. A convenient built-in rotary tripod mount eliminates vibration during shutter release.

Features
Focus Adjustment:Autofocus
Zoom Adjustment:Zoom Lens

Details
Filter Size:86 mm
Minimum Focus Range:118.1 in
Magnification:Telephoto (65 to 600mm)
View Angle:5 - 14.5 degrees
Groups/Elements:13 Elements in 11 Groups
Diameter:3.6 in
Length:9 in
Weight:46.6 oz
MPN:170-500 f5-6.3 apo

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    Top Reviews
      An inexpensive LOOOOOONG range lens
    Review created: 10/20/07
    by:
    19 of 19 people found this review helpful.

    I purchased this lens in March of 2007 and have used it EXTENSIVELY. After reading alot of other reviews (all over the internet) I kind of felt that this particular lens was not getting a fair shake, or possibly that I got a great deal on an extra-sharp copy. Whichever is the case, I have to disagree with alot of the bad reviews. My photographs have been sharper then any other lens I have used at the 500mm end including the 50-500mm sigma (bigma), the exceptions are the 500mm and 600mm canon L lenses I rented for a day.
    Some things to remember about this lens, it does need alot of light, I rarely take it out on cloudy days.
    Use of a tripod, or some other stabilizing device (I use a Brushawk 310D) is important at 500mm.
    Lastly, I have used this lens with a Tamron 1.4x converter and it has worked flawlessly (again, it was a bright day).

    PROS
    * A great range at a GREAT price (running about 400-600.00 here on Ebay)
    * Sharp, when used properly.
    * Built really strong
    * great telephoto adjustment and focus rings.

    CONS
    * Sealing would be nice, though dust has not hurt any of my shots, I use it enough that eventually it will.
    * IS (or sigma's OS) would be really great, but would run the cost over 1000.00 easy.

    Overall I would have to say that this is a GREAT lens with great range and for the price it is darned near unbeatable for a semi-pro in need of a long range lens.


    Review ID: 10000000004586422
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