I was thinking the 2-13 came standard only with the 3Ti. Maybe I'm wrong.
When you convert a plain 4 to taller asa dial, you need updated dial,
new longer rewind shaft, longer rewind shaft bushing, 2 of the brush
assemblies with longer tabs, and possibly a few other things.
___________________________________
John Hermanson
Camtech Photo Services, Inc.
631-424-2121 | http://www.zuiko.com
omtech1 AT verizon.net
Photo Gallery: http://www.zuiko.com/album/index.html
Moose wrote:
> John Hermanson wrote:
>> That's right. Plain 4 can develop a problem where turning the compensation
>> dial makes the original asa setting shift. 4T/Ti has a better dial.
> Oh yeah, I forgot about that. I thought it was a big deal when I got my
> first OM-4 and 4Ti. In fact, it's never been a problem, probably because
> I checked it out and trained my self to push down slightly on the
> knob/ring when changing exposure compensation, just as one must pull up
> to change the film speed setting.
>
> Checking a couple of OM-4 bodies now, I find that one will change speed
> if there is even the slightest upward presure on it, as from my fingers
> against the body. With slight intentional downward pressure, no problem.
> The other 4 and the 4Ti don't have any problem at all that way.
> Deliberate upward pressure is needed to change speed.
>
> The visual difference is only that the dial is taller, not quite twice
> as tall.
>
> I believe the other difference was that the OM-4 came with a 1-13 screen
> and 4T(i)s came with the 2-13 focusing screen.
>
> Moose
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