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RE: [OM] OM4Ti - Memory Function

Subject: RE: [OM] OM4Ti - Memory Function
From: "Vem Då" <tox1@xxxxxxxxxxx>
Date: Mon, 02 Aug 1999 11:13:57 GMT
HI ALL.

The discussion continues. Thank you for your answer, Olaf!
HOWEVER...
Either my camera is broken _including the manual_ or you're right.

After your reply, I did exactly as you said.
1. Look at a dark spot.
2. Pull MEMO-lever.
3. Aim at brighter spot.
4. Shoot.
(All this in AUTO and Average Light Metering mode.)

I followed the steps above (not te first time :-) ) and only came to the same conclusion as always... It doesn't work as I want...


So I looked in the manual and read real carefully:
(page 40-42 Olympus OM-4Ti Black Instructions Japan 0989).

HOW TO USE THE EXPOSURE MEMORY LOCK SYSTEM.
The memory lock system is convinient for taking many pictures of the same subject in different backgrounds or costumes.

1.
Operate the lever to set up the memory mode. The letters "MEMO" will appear in the viewfinder and the memory signal will blink twice.

2.
Frame the composition as you desire.

3.
The exposure value is stored in memory AFTER SHOOTING.
The "MEMO" in the viewfinder will start to blink and the memory signal will blink only once.

4.
Change the composition and shoot.

5.
The subject is exposed with the same exposure value even if you change the composition.

SO... IN CONCLUSION:
The camera works as Hans wrote, and as I understood.
Does your camera really work as you wrote, Olaf?

Either I'm not to good at reading English (I'm from Sweden) or I'm right.
I think I'm right, because the light metering in the OM4Ti works of how much light hits the film. The only way to get that value is to get the reflection from the film. BUT THE SPOT METERING then? A contradiction, it seems. IT works as I want it to. Is there a different light metering when the SPOT is pressed? Not OTF??

SOMEBODY!! Please give us an intelligent and light spreading mail!

Best
Tobias Andersson
Halmstad



From: Olaf Greve <Ogreve@xxxxxxx>
Reply-To: olympus@xxxxxxxxxxxxxxx
To: "'olympus@xxxxxxxxxxxxxxx'" <olympus@xxxxxxxxxxxxxxx>
Subject: RE: [OM] OM4Ti - Memory Function
Date: Mon, 2 Aug 1999 11:07:12 +0200

Hi,

It seems there's some misunderstanding regarding the 4Ti's memory mode. Now,
if I'm not _way_ off-base, I'll clarify matters:

>> Thanks for your answer, Hans. You wrote:
>> The way it is supposed to work: make sure there is no spot
>> reading active, then pull the memo lever. The exposure value of the next >> picture you take, read off the film/off the shutter curtain, will be used
>> for all next exposures untill the memo function is cancelled.
[...]

> THIS MEANS THAT YOU HAVE TO "WASTE" ONE IMAGE to get the exposure to the
> time you want...

No. You misread what Hans wrote. Hans actually wrote that you take a light
reading in centre averaged metering mode (FWIW: in spot mode the memory
function basically works the same), you then store the desired light reading _before_ taking a picture, and that value is then used during all subsequent shots (i.e. _including_ the first picture you take with this value stored in
memory), until the memory is cleared. In other words, whatever you store is
what you will use until either of the following events occurs:
1-You manually clear the memory by pulling the lever to "clear"
2-You indirectly clear the memory by removing the lens
3-The camera clears the memory after 60 minutes have passed

> What I'd like is to be able to look at for example a darker
> area, pull the MEMO-lever and lock it to that dark spot at for
> example 1/30 sec, then look at a brighter area, and still take a photo
> with 1/30. Then I'd be able to change the aperature without having to
> mind the time.

Which is _exactly_ the way the memory function works :)))
You take your light reading, store it, and after that the camera doesn't
care whether you take a picture of a much darker/brighter subject, it just
uses whatever value you stored. Ah, and yes, the camera is smart enough to
compensate your reading in memory for changes in aperture, so stopping the
aperture one stop down, will result in doubling the exposure time that was
stored in the memory function; it shifts these exposure times as needed.

> If what you say is true, and my camera does work as you say,
> I can't use the MEMORY-function as I would like to. Instead I have to do
> one of the following to solve a situation like the one above:
> 1. Aim at the exact spot - press spot metering - Pull lever -
> (perhaps adjust aperature) - Shoot
> or
> 2. Switch to manual, set it to 1/30, - (perhaps adjust
> aperature) - then I'd have to adjust time again - shoot.
>
> IS IT BECAUSE OF THE OTF I CAN'T USE THE MEMO AS I DESIRE?!

Asked and answered. To summarise: the camera works exactly as you wants, in
other words, you follow the following steps:
1-Turn on the light meter;
2-Meter the light in the desired mode, be it spot or centre averaged;
3-Pull the memory lever when you see the desired light metering indicated in
the LCD;
4-From now on, all photo's you will take will use the stored value, unless
you clear the memory, or change the aperture (in which case the stored
memory value will be adjusted for proper exposure).

> Don't you agree that Olympus could have solved this function better?

Well, they did :)))

Hope this 'clears' things up ;)

Cheers!
Olafo


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