Canon RF 15-35mm 2.8 fails vs EF 16-35mm 2.8 III

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petestone Regular Member • Posts: 120
Canon RF 15-35mm 2.8 fails vs EF 16-35mm 2.8 III
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So I tested my EF 16-35mm f2.8 III against 2 versions of Canon's new RF 15-35mm f2.8 lens, and let's just say I was extremely disappointed with the RF lens!

With both lenses at 16mm, the IS turned off ( Shutter speed was 90th or above, Aperture for all shots was f4.0 )...it was quite obvious that the older 16-35mm was considerably better at the wider end of things. I tried 2 copies of the new lens.....BOTH had the same level of softness towards the corners of the frame. My 16-35mm was easily better.....what's going on Canon? Samples are from upper left corners, but all corners had the same issue.

15-35mm @16mm @4.0

16-35mm @16mm @4.0

15-35mm @16mm @4.0

16-35mm @16mm @4.0

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Pete Stone

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