Sigma 100-300 f4 APO vs. 80-400 OS?

Started Dec 3, 2005 | Discussions thread
mertmag Junior Member • Posts: 46
Re: Fred Miranda reviews

I just went from the Sigma 70-200 f2.8 to the Sigma 100-300 f4. I love my Sigma 70-200 but I need more reach. I like to photograph wildlife.

I purchased a Sigma 100-300 f4 and was shocked how bad it was. The 70-200 was sharper at 2.8 than the 100-300 at f8. I did a number of lens tests compairing it to my excellent Sigma 70-200 f2.8 and came to the conclusion that I got a bad copy. I was right.

I sent back the first lens and my replacement 100-300 was almost as sharp at f4 as the 70-200 at f4. And the 70-200 is razor sharp at f4. At 5.6 the 100-300 is incredable! The focus is fast and accurate. The weight is not that much more than the 70-200.

My only regret is I have to sell my 70-200 to help pay for the 100-300.

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