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Strange issue: Canon EF 70-200mm f/4 L IS USM acts as 85-250mm. How?

Started 8 months ago | Discussions thread
John Crowe
John Crowe Veteran Member • Posts: 3,476
Re: Strange issue: Canon EF 70-200mm f/4 L IS USM acts as 85-250mm. How?
1

These are extremely close.  As someone else said the 24-70 is probably more like 68mm and the 70-200 is likely 72mm.  That will account for the difference.  You are good to go.

 John Crowe's gear list:John Crowe's gear list
Canon EOS 5DS R Canon EF 70-200mm F4L USM Canon TS-E 17mm f/4L Kenko Teleplus Pro 300 AF 1.4x Venus Laowa 12mm F2.8 Zero-D +15 more
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