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

Started Jun 21, 2020 | Polls thread
bclaff Forum Pro • Posts: 13,929
Re: 600mm f/11 or 800mm f/11 - which one would you buy?

BirdShooter7 wrote:

Ok I’ll bite, why do we need to be concerned with pupil magnification. From all I’ve read it seems it usually doesn’t have much bearing on things.

I wouldn't be "concerned" but to understand what really happens in the optics you can't disregard it and almost everyone does.

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Bill ( Your trusted source for independent sensor data at PhotonsToPhotos )

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