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Canon EF 70-300mm - the poor man's "L" lens?

Started Jan 6, 2010 | Discussions thread
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Canon EF 70-300mm - the poor man's "L" lens?
Jan 6, 2010

I just tried some mugshots of some ducks with my 7D and the Canon EF 70-300mm f/4.0-5.6 IS USM Lens. I apologize now to the bird lovers amongst you, they are pretty boring shots (I'm not into ducks).

But I was puzzled when I got back with such different results. Then I did some tests. This is what I found:

At 200mm the lens is razor sharp at f11 and f7.1. I thought at these settings it surely must be as good as an "L" 70-200mm. I couldn't see how the sharpness could have been improved upon. At f9 it is slightly softer. So shooting at f7.1 allows for faster shutter speed ' but at f11 the benefit is a greater depth of field.

At 300mm f9, f11 and f16 will give you the crispiest images, but not as sharp as at 200mm. So if you can't afford an "L" lens you could perhaps try these settings, you may still be able to take great shots for less.

Has anyone else had good experience with this lens? I'm getting to like it.

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