Sigma 70mm F/2.8 EX DG Macro Lens for Pentax Digital SLR Cameras

Sigma 70mm F/2.8 EX DG Macro Lens for Pentax Digital SLR Cameras
Customer Ratings: 5 stars
List Price: $670.00
Sale Price: $449.00
Today's Bonus: 33% Off
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I've never been a big fan of Sigma Zoom lenses, but their prime lenses are top notch. I've been using the Sigma 105mm and 50mm macro primes on my Canon full frame bodies so I decided to pick this lens up for my Nikon D300 to give me a 105mm equiv lens for that system.

In a nutshell, this lens is fantastic. It is very sharp corner-to-corner on my Nikon D300. It is sharp wide open at f/2.8 and stays sharp up until about f/11, where it starts to soften just a bit. Lens construction is very sturdy and typical of the top-end sigma primes. Autofocus speed is adequate but not as fast as the best Nikon lenses. It also makes a little more noise when focusing. Manual focusing is excellent with a very smooth and precise feel. I really like this lens and it may be one of the sharpest prime lenses on the market. I highly recommend it.

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