Hi CH
Thanks for your brief explanation. What do you mean by the words: "conceded
reading"?
Regards
Titoy
----- Original Message -----
From: C.H.Ling <chling@xxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, May 07, 2001 9:08 AM
Subject: Re: [OM] shutter speed accuracy
> Here I had referred to the "Auto exposure speed", it is hard to
> measure without a professional equipment, you can do it with slide but
> not easy to judge. On the other hand for the 4 and 4Ti, there is a way
> to check the autoexposure without any external equipment, but you have
> to assume the displayed shutter speed is accurately associated with
> true shutter speed:
>
> 1. put a piece of film (or the checking sheet come with the OM4Ti) to
> the camera for providing proper reflection.
> 1. set the camera to auto mode, focus at a plain wall.
> 2. note the shutter speed display inside the finder.
> 3. turn on memory mode.
> 4. fire the shutter.
> 5. check the display speed again.
>
> The good one will have conceded reading, like my trusty OM4, I still
> have a 4Ti with different readings below 1/60s and a 2sp behave the
> same (I can HEAR it below 1/8s). Also, the speed is not linear, error
> increase when speed going down. But they works fine in manual and spot
> mode.
>
> For manual shutter speed it is easier to check, you can see:
>
> http://www.glink.net.hk/~olympus/shutt.htm
>
> C.H.Ling
>
>
> Clemente Colayco wrote:
> >
> > Hi CH:
> >
> > Sorry to bring up an old topic. How are you able to tell that the
shutter
> > speed on your cameras as you ay below are not accurate? Is there I can
do it
> > without expensive equipment?
> >
> > Thanks and regards
> >
> > Titoy
> >
> > ----- Original Message -----
> > From: C.H.Ling <chling@xxxxxxxxxxxx>
> > To: <olympus@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, February 06, 2001 11:29 AM
> > Subject: Re: [OM] OT - N*k*n FM3A
> >
> > > Yes, I'm jealous, I need a new up to date mechanical camera from
> > > Olympus to support my OM lenses. I'm very unhappy with the bug of the
> > > OM2s and OM4, 4Ti, here I mean the slow speed auto exposure problem.
> > > My latest OM2sp start to show the problem of my 2sp sold 10 years ago,
> > > the speed below 1/15s start to increase exponentially. i.e. 1/8s
> > > actual 1/4s, 1/4s actual 0.7s, 1/2 actual 1.xs, a few second actual
> > > shutter never close. I seen this problem with another OM4, my current
> > > OM4Ti Black... Now I only got a good OM4 and a OM2n to work for night
> > > shoots (in auto mode). The biggest problem is the local OM service
> > > center don't know how to repair them, they even said my 4Ti has no
> > > problem on their tester.
> > > C.H.Ling
> > >
>
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