[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: tank picture: overexposed upper leaves
K12Trout at aol_com wrote:
> Roger - the ultimate problem here is the lighting, not
> the exposure. you can try metering for the most
> brightly lit leaves and you'll get them at the correct
> exposure but everything else will be too dark. or you
> could take a lot of readings and try to strike the best
> balance - which a lot of the better dedicated light
> meters do anyway. no matter what there's just a big
> disparity in lighting. the best way i know to handle
> this sort of thing is to use a gradient filter - cokin
> makes them i believe. its basically a square piece of
> plastic thats shaded neutral grey on one side and fades
> to clear on the other - its the sort of thing people
> use to take pictures of sunsets to get both the sky and
> the foreground correctly exposed, and maybe to make the
> sky all orange or purple while they're at it. you need
> to buy a whole adapter unit to fit the filters onto
> your camera. its not terribly expensive but i'm not sure its worth it either, imho
>
> cheers
> elie
The best way IMO is to use a high-end digital camera. Digital cameras
use charge-coupled devices (CCDs) in place of photographic film.
CCDs have typically a much wider dynamic range than film. I have
pictures of my tanks taken with both methods, and the difference is
amazing.
- Ivo Busko
Baltimore, MD