On Aug 10, 2004, at 10:33 AM, Schlake (William Colburn) wrote:
The lens came with a tripod mount already attached to it, so I used it. I seriously doubt that my plastic 300D could hold up the weight of this lens without tearing in half. I'm shooting at 400mm and closed all the way down, which is like f44 or something.
f44? That's your problem. Each f-stop cuts lens resolution in half. It doesn't really matter until f/11 or so with current digital cameras, but past that you'll start losing sharpness. Try f/8 or f/11 instead of f/44 and you should see a sharper picture.
Scott
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