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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
OP Nightly Forum Member • Posts: 68
Re: Strange issue: Canon EF 70-200mm f/4 L IS USM acts as 85-250mm. How?

John Crowe wrote:

Now try it with a subject about 100 feet away or even at infinity.

Seems to me that lenses will change focal length based on focus distance. You must have been at or near minimum focus distance for these shots.

I did it. Posted an update below.

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