Yes, as I recall, on the 1N / 2N, FP sync is available only at the sync
socket. I have never used FP.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html
Chuck Norcutt wrote:
> So, with the 2N and 1N you'd have to use the PC connection as well as
> setting the sync to FP in order to use a flash bulb?
>
> Chuck Norcutt
>
>
> John Hermanson wrote:
>> Only the 2N (and 1N) have constant X sync at the hot shoe regardless of
>> sync switch position, and that is with any flash, not just Ts. There's
>> a diode in the flash circuit that allows this, though it does prevent
>> some studio flashes from firing.
>>
>> Olympus Service made up a small plastic "doohickey" that snaps in behind
>> the sync switch. It was created for use on UPI ad National Geographic
>> cameras. It holds the switch at X and prevents accidental turning. I
>> have some of those.
>>
>> ________________________________
>> John Hermanson | CPS, Inc.
>> 21 South Ln., Huntington NY 11743
>> 631-424-2121 | www.zuiko.com
>> Olympus OM Service since 1977
>> Gallery: www.zuiko.com/album/index.html
>>
>>
>> Chuck Norcutt wrote:
>>> See your OM-2 manual. If you have a T-flash mounted the camera senses
>>> it and automatically sets X sync regardless of the switch setting. If
>>> you don't have a T-flash mounted you're responsible to set the sync to
>>> FP or X yourself.
>>>
>>> Flash bulbs used to be sold in different types. FP was the type to be
>>> used on cameras that had focal plane shutters. The characteristic of an
>>> FP bulb was a long burn time. Since the bulb puts out light
>>> continuously the bulb is able to sync the full range from 1/60 to
>>> 1/1000. But the manual says not longer than 1/60. 1/60, of course, is
>>> the max for OM cameras on X sync. But I don't know if you'd get proper
>>> sync for both regardless of sync setting at 1/60. I think not. I
>>> suspect the bulb on FP would get lit as soon as the first shutter
>>> curtain started to open. But that would be a disaster for an X sync
>>> electronic flash. It would have dumped it's charge completely before
>>> the first curtain got off the starting gate. That's probably what
>>> happened to you.
>>>
>>> I've never done it myself but I can recall someone on this list from
>>> many years ago describing some way to lock the sync switch on to X. It
>>> may have been a tiny dab of contact cement which would be easily
>>> removable if desired. I just went to take a look at my OM-1's sync
>>> switch to check how it might be done and was a bit startled to find it
>>> setting on FP. Ooops!
>>>
>>> Chuck Norcutt
>>>
>>>
>>> usher99@xxxxxxx wrote:
>>>> Thanks Chuck, AG, Carlos for thinking about this. Carlos hit the nail
>>>> on the head. Couldn't be an easier fix but wish the penalty for missing
>>>> that hadn't been so high. Happened once about 5 years ago in Montana
>>>> but I had a T-flash in TTL mode and I think you get a heads-up.
>>>> I don't remember exactly but perhaps the shutter is kept open to
>>>> complete the exposure. I had made a mental note that this could be a
>>>> disaster if happened again but obviously forgot about it. In manual
>>>> mode there is not a clue anthing is askew. Not sure how the FP mode
>>>> works , but I sure won't ever forget to check the switch position. :-(
>>>> I really dread picking up this batch but I was told some of the images
>>>> with a potential TOPE shot were interesting. We'll see.
>>>>
>>>> Mike
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Wow! I don't think I've thought about the X/FP switch since 1976. :-)
>>>>
>>>> Chuck Norcutt
>>>>
>>>>
>>>> Carlos J. Santisteban wrote:
>>>>> Hi Mike and all,
>>>>>
>>>>>
>>>>>> From: usher99@xxxxxxx
>>>>>> Nothing fancy used either. OM-2 in manual with V283 on a bracket
>>>> with
>>>>>> remote cord on the usual yellow for use with F4.
>>>>>>
>>>>> You mean the 'plain' OM-2 -- not -n, not S? Then it could be the
>>>> position of
>>>>> the X/FP switch...
>>>>>
>>>>> All the best,
--
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