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Old Dec 2, 2004, 7:51 PM   #1
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I am going to purchase a 50mm, but I am a bit confused about the various types that I've seen.

Nikon - 50mm f/1.8D Nikkor AF Lens - $109.95 at Ritz Camera
Sigma - 50mm F2.8 1:1 Macro Lens for Nikon AF -$239 at Ritz Camera

Besides the price, what would I notice between these two lenses?

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Old Dec 2, 2004, 9:33 PM   #2
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They are made for entirely different purposes.

The Nikkor f/1.8 is meant for low light shooting, or for portraits & head shots as it's ideal on a DSLR with effective longer focal length.

The Sigma is a macro lens - ie. shooting close up objects. At f/2.8, it's barely half a stop better than most budget to midrange zoom lenses that covers this focal length. I don't believe 50mm is suited for macro work, I prefer something longer like 90 or105mm, however your tastes and uses will inevitably vary.

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Old Dec 9, 2004, 6:32 AM   #3
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I use the Sigma 50 mm lens for macro and it's a very capable lens. It's can of focusing down to 1:1 on 35mm not sure what this is with the digital crop factor. It's alsopossible tofocus all the way out to infinity so it's can shoot anything that the Nikon lens can shoot it's just about 1.5 stops slower than the Nikon. A closer comparison is probably the Nikon 60mm Micro lens.
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