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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
Scott Larson Veteran Member • Posts: 7,505
Re: Strange issue: Canon EF 70-200mm f/4 L IS USM acts as 85-250mm. How?

Steve Balcombe wrote:

If you ever watch Dpreview TV, you may notice that Jordan mentions focus breathing sometimes - it's a PITA for video, because the size of the background changes as you focus in/out.

But anamorphic lenses change the aspect ratio of the background when they focus in and out and everyone think that looks cool.

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