The Canon 100-400 is a f/5.6-8 - Yuck

Started 3 months ago | Discussions thread
Freedolin Contributing Member • Posts: 538
Re: The Canon 100-400 is a f/5.6-8 - Yuck
2

cosmicnode wrote:

NickZ2016 wrote:

cosmicnode wrote:

How is it slower, if you are using a Z7 in crop mode you are simply using the centre of the sensor, aperture and focal length do not change. The lens does not magically lose speed ,you are simply cropping

Equivalence. Not that we want to argue that now

Equivalent to what, perform a crop in post from a ff do you change aperture or focal length.

Obviously FOV (of the final image) changes, and effective DOF with it. Feel free to read more about it here:

https://www.opticallimits.com/Reviews/986-equivalence

Or here:

https://photographylife.com/equivalence-also-includes-aperture-and-iso

Or here:

https://www.dpreview.com/articles/2666934640/what-is-equivalence-and-why-should-i-care

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