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Wait until you start looking at transmission values... f-stop doesn't mean much other than the maximum that the aperture for that lens can open. It doesn't in
by skylanh 4y ago
Wait until you start looking at transmission values...
f-stop doesn't mean much other than the maximum that the aperture for that lens can open.
It doesn't indicate lens or element quality, or aberrations. There's a reason that pixel peeping, gear games, and reviewers are so prevalent in high end photography.
As a simple extension to this, most of my lenses work better a few stops before maximum f-stop.
So, yes, but no.
- NAG3LT 4y agoIn practice, light gathering correlates to F-stop quite well on most normal modern lenses, transmission losses are very low. The main exceptions are deliberately apodized lenses, which have considerably transmission losses wide open. For the rest - yeah, f# is just one of important specifications.
- _ph_ 4y agoYou were talking about the light being gathered by the lens. That is mostly determined by the f-stop. Technically it is the t-stop, but they should be reasonably close together not to make a huge difference. Quite the contrary, as the phone lens has less elements than some modern camera lens designs, the phone might suffer less from the difference than the camera lens. The aspects you are now referring to are about the lens quality. Yes, I would expect a real camera lens to be much better than the lens of an iPhone. There is no doubt about that. But in the posting I answered to, you spoke about the comparability of aperture values.