EFS Lens Cropping on 7D

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GovAUS New Member • Posts: 9
EFS Lens Cropping on 7D

Hi,

I have 5D MK IV and 7D cameras. I attach my EFS-17-55 to my 7D and a EF-28-135 to the 5D.  Interestingly, shots taken with the 5D at 28mm and the 7D at 17mm have more less the same frame.  So the question I have is do EFS - also have a magnification of 1.6 like EF lenses?

I had thought EFS were specific for APC cameras and therefore the magnification would be accurately represented.

Any thoughts on this?

 GovAUS's gear list:GovAUS's gear list
Sigma 150-600mm F5-6.3 | C
Canon EOS 5D Mark IV Canon EOS 7D
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