In Program mode, set the lens to the smallest aperture. The camera will set
exposure based on factory set combinations of f stop & shutter speed. From a
service standpoint, I suggest not buying too many 77s (or 707s).
ESP mode uses a cell similar to the one the 4 uses for spot metering. The
camera compares the reading in the spot area to the rest of the picture. If it
sees a big difference between the 2 (like backlighting), it employs a factory
set compensation.
John
Camtech
http://www.zuiko.com
Jay Maynard wrote:
> I just found this list. Whee!
>
> I've been a fan of Olympus SLRs since I first handled an OM-1 as a teenager.
> I bought one of the first black OM-1s in the US, and then replaced it with
> an early OM-2 when that one was destroyed in a fire. That OM-2 has been a
> workhorse for the past 23 years.
>
> I recently started haunting the Olympus auctions at www.ebay.com, and have
> now acquired several more cameras: two OM-Gs, an OM-10, and an OM-PC, all
> advertised as being dead and all running now (gee, you'd think people would
> try new batteries in a camera before giving it up for dead!), and a couple
> more OM-10s, an OM-G, and an OM-77 still broken. Lenses, too, and a few
> winders, and other miscellanea...
>
> I used to say that I could figure out any camera by playing with it for 10
> minutes. My dad's Nikon N8008 quashed that...and now, the OM-PC has me
> slightly stumped, in two areas.
>
> 1) How, exactly, does the program mode work? I assume that it controls both
> the shutter and the diaphragm, the latter by controlling how far the
> stopdown lever is thrown during exposure. What's got me puzzled is: WHat do
> I do with the aperture ring on the lens? There's no "auto" setting on any of
> mine, unlike, say, the Canon AE lenses. If I adjust it with the camera on,
> the indicated shutter speed moves in big jumps, and stays in each place for
> three or so F-stop settings of the lens. What's going on here?
>
> 2) What the heck is ESP metering? How can I tell if it's on or off?
>
> I look forward to hearing from you folks...you all seem to be as rabid about
> the Olympus cameras as I am.
>
>
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