Hi, Bob,

Of course knowing exactly what f2.8 means is "doesn't mean a damn thing".  Knowing 
that it makes a bigger hole than 3.8 is important, especially
without dof preview.  It's not difficult to know simply that smaller number means 
bigger hole.

None of my cameras say "1/1000th of a second" for that particular shutter speed.  They 
say "1000".  Is that confusing?  Bigger number for shorter
exposure time?  I think not.

I guess my point is that these numbers measure things that are so basic in 
photography, they are easily known by anyone who has a camera that has any
manual capability at all.  They make sense.  They've been the standard since the 
earliest days of photgraphy.  There's no need to change them.

I don't see what they have to do with pictures of the sun going behind clouds.  That's 
a composition issue, isn't it?  Or am I missing something (not
unusual <g>)?

cheers,
frank



Bob Walkden wrote:

> Of course exposure and focus are important. Getting dark? Bigger hole
> or faster shutter. That's all you need to know. f/2.8 doesn't mean a damn
> thing. The reason cameras (not just modern ones) have pictures of the
> sun going behind clouds on them is precisely that people are already
> confused. And that's because f-stops are a crap user interface.
>
> ---
>
>  Bob
>

--
"The optimist thinks this is the best of all possible worlds. The pessimist fears it 
is true." -J. Robert
Oppenheimer


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