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600mm f/11 or 800mm f/11 - which one would you buy?

Started Jun 21, 2020 | Polls thread
John Sheehy Forum Pro • Posts: 26,698
Re: 600mm f/11 or 800mm f/11 - which one would you buy?

JustUs7 wrote:

SkySpades wrote:

Colin46 wrote:

Neither, too slow and lack of background separation at f11 renders these two useless for me.

just because modern cameras can go to high ISO’s doesn’t mean you want to.

Big lack of background separation in this thread full of f/11 images.

https://www.fredmiranda.com/forum/topic/1649828/7

Yeah. Can’t do anything like that with an f/11.

Very helpful seeing actual images within the capability of the lenses in question vs chatter over a spec sheet. Thanks for the link.

It's not a matter of a spec sheet being wrong. It's about not knowing what the specs mean. As I said in another post, people tend to put too much importance on the "11" in "f/11", and forget to do the division "f divided by 11", which is where most visible object qualities in a photo derive.

The actual optical aperture is such an important thing, that it seems like blasphemy when someone refers to the "11" as the aperture.

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