My thoughts on my newly purchased 70-300 4/5.6 USM IS L Lens

Started May 12, 2012 | Discussions thread
Frank Phillips
Frank Phillips Senior Member • Posts: 1,186
Totally Agree about 70-300L

I quite agree.

I also traded in ("up") my 70-200/f4L IS for the 70-300L. Before selling my 70-200 I set up some test shots to compare (I even tested it against my 135/2L...), and after running them all through DxO (I use a 5DMkII) I found that the color and contrast on the 70-300L is equal to or better than the 70-200 at all lengths, and the sharpness of the 70-300L suffers only a minor bit compared to the 70-200.

I also noticed that at 200mm the max aperture on the 70-300L is only 4.5, so the "cost" at 200mm is only a half stop. So for a little bit of softness and a half stop of speed at 200mm, I believe it was a good upgrade to get the extra 100mm on the long end.

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