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Old Jan 14, 2007, 2:17 PM   #1
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Hi All. Anyone know if this Sigma lens will work OK with my D50: Sigma 50-500 APO HSM EX ? Have done some Google searches etc but cannot find any info. Any info appreciated. TIA
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Old Jan 14, 2007, 3:57 PM   #2
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I found this on the B&H site.
What you want is at the bottom.




This Sigma 50-500mm f/4.0-6.3 EX DG HSM is an ultra superzoom lens that encompasses all popular focal lengths from the 50mm normal to 500mm ultra-telephoto; a 10:1 zoom ratio which provides tremendous versatility.
The use of an apochromatic design, four elements of SLD (Special Low Dispersion) glass & a seven group zoom system of multicoated optics enables this lens to provide a high level of performance as well as versatility. A rear focus system insures quick, convenient manual focus and a non-rotating front barrel.
The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.
By adding the optional Sigma APO teleconverter, you can use this lens as a 140-700mm f/7.3-8.8 Manual Focus ultra-telephoto zoom lens with a 1.4X EX teleconverter, or as a 200-1000mm f/10.4-12.6 MF ultra-telephoto zoom lens with a 2X teleconverter. Teleconverters can be used in 100mm - 500mm focal length range.
NOTE: HSM lenses, while able to manually focus with all Nikon F-mount cameras, will autofocus ONLY with the following cameras- F6, F5, F4s, F100, N90s, N90, N80, N75, N70, N65, D1 & D2-series, D50, D70, D100, Pronea 6i, and Pronea S (or newer camera models). With other models, HSM or AF-S lenses must be focused manually. This is the same limitation as Nikon's own AF-S lenses.

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Old Jan 15, 2007, 11:55 AM   #3
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Thanks for that stevem, very useful.
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Old Jan 15, 2007, 11:56 AM   #4
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Thanks for that stevem, very useful.
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Old Jan 15, 2007, 2:26 PM   #5
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Great lens for a D50. With good technique and light, can take some really nice images... See my Image Gallery at

http://www.nikonians-images.com/gall...;ppuser=121399

and sample images posted w/ my review at:

http://www.dcresource.com/forums/sho...762#post181762

Additional reviews of the Bigma at:

http://www.pbase.com/cameras/sigma/50_500_4_63_ex_dghsm

http://www.vividlight.com/Articles/413.htm

http://www.luminepixels.com/bigma.html

Reported lens data at:

http://www.photozone.de/active/survey/querylens.jsp
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