It was 8/9/03 8:30 am, when Stephen Shepherd wrote:
> Hi I hope any 1ds users could give me their opinion on this question,
Stephen
Not a 1Ds user but I have an opinion...<g>
> I am finding that my camera is giving about a stop less exposure than I
> would expect.
I have a Fuji S2 and it also underexposes.
> If I shoot a grey card (spot metered manual) or white wall (as per auto
> exposure) the histogram shows an exposure not as mid grey but a stop less
> (maybe -2/3rd )
I did some similar tests when I bought the camera and came up with similar
results.
> I spoke to canon about this and the tech guy implied that
> they had had many people calling about this and that the camera was set up
> this way so as not to overexpose / blow out high lights.
I spoke to the Fuji tech guy and he implied the same as your Canon guy.
> The problem is that I am having to relearn exposures basically, I shoot
> documentary / reportage style most of the time and so would on the go meter
> from a mid grey patch of grass or wall or back of hand etc, now I find I am
> having to calculate my exposures and then add + 2/3 - 1 stop, which seems
> crazy if it is mid grey it should be mid grey not grey + a stop.
Ah, the back of the hand trick, works best when you are naturally suntanned!
<g> My understanding is film reacts differently because the recording curve
is not linear. OTOH, digital cameras devote more levels to the "toe" and
proportionally, like f stops, less and less as you climb towards the
"shoulder." There's a good explanation on the Luminous Landscape site. Pity
it's not on the manufacturer's sites or in their manuals!
> If this is the way that the camera is for everyone else I would be grateful
> to know that it is not something wrong with my set up / camera.
They should be able to tweak it so more levels are devoted to the midtones
and highlights. But, I suspect, you will then have problems with shadows and
noise, etc.
>From what I've heard, the Kodak 14n behaves more like a film camera but then
it's had bad press because of it: not suitable for low light, too noisy,
etc.
--/ Shangara Singh
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