On Fri, 31 Jul 1998 Brice1021@xxxxxxx wrote:
|The thought behind the design of the OM-3/4 metering and the highlight and
|shadow buttons has always intrigued me. (sorry, I'm an engineer so please
|allow me to ramble) Even though I can't find it written anywhere in a manual
|or brochure, it looks like the shadow button is -2 2/3 stops and the highlight
|is +2 stops.
This is exactly right, and it is documented ... somewhere ... probably
in an old Modern Photography review.
|So that would put the shadows almost in zone 2 and the
|highlights in zone 7. AFAIK this is about the same range that most slide
|films are capable of recording. I'm willing to bet that Olympus took this
|textbook example of the zone system to decide what the compensation for the
|buttons should be. As Doris & Joel mentioned, exposure is a matter of
|personal experience and preference. If Oly's preselected compensation suits
|your taste then use 'em. If not you've got average and multispot metering as
|alternatives. Wow, what a camera!...three methods to choose from. Quite
|honestly, I rely mostly on multispot metering or a gray card. I rarely use
|these buttons.
Yep, I'm a spot, multispot man, myself. Except for flash photography,
I never use the center-weight averaging method.
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