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24mm wider on 24-105 than 24-70

Started Jun 5, 2014 | Discussions thread
Peter Kwok
Peter Kwok Senior Member • Posts: 2,635
Re: 24mm wider on 24-105 than 24-70
1

All zoom lens are longer than their stated focal length at the wide end and shorter than their stated focal length at the tele end. 5% off is considered acceptable. Everyone cheats on this.

I think the 24-105 has more barrel distortion that pulls in the corners, making its diagonal field of view wilder.

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Peter Kwok
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