On 2015-05-16 16:45, Me wrote:
On 17/05/2015 3:03 a.m., Alan Browne wrote:


All that said, hand held shots at 1/400 - 1/800 in good lighting tend to
look really sharp (given adequate hand holding technique and a smooth
release).

Such figures aren't much use unless focal length is also considered.


Stated earlier along with the clarification that the focal length rule
of thumb really applies to smallish prints. I'd expect, in the whole,
that that would be clear enough to most without having to re-qualify
everything.