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Re: [OM] 2 series screen quick question

Subject: Re: [OM] 2 series screen quick question
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Mon, 10 May 2010 08:00:23 -0400
You can buy intenscreens through B & H.  Beattie cut me off long ago as 
a dealer, seems I didn't buy "enough" from them.  Now I buy "zero".
___________________________________
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


Rick Beckrich wrote:
> Maybe John has access to some Beattie screens?
> 
> On Fri, May 7, 2010 at 8:57 AM, John Hermanson <omtech1@xxxxxxxxxxx> wrote:
> 
>> Sorry, I don't have any.
>> ___________________________________
>> 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
>>
>>
>> Angel Lobo wrote:
>>> Please, some 2 series screen (4 or 13) NEW for sale ?
>>>
>>> Angel Lobo.
>>>
>>> 2010/3/19 <usher99@xxxxxxx>
>>>
>>>> According to John, the correction for use in manual depends on focal
>>>> length.  Even if the meter is adjusted  to read correctly for a
>>>> 2-series on a 1N or OM-2N for a 50mm,  by 100mm there is a 1/4 stop
>>>> overexposure indication and 2/3 of a stop on a Z 180/2.8.
>>>> I believe there are errors on the short end too.  OTF metering is
>>>> unaffected AFAIK.
>>>>
>>>> Mike
>>>>
>>>>
>>>>
>>>> So I know that the meter in an OM-1 and OM-2 will read 2/3 stop over
>>>> correct exposure when a 2 series screen is installed (ie will
>>>> underexpose by 2/3 a stop); and that the OM-2 measures all exposures
>>>> at speeds slower than 1/45 second OTF in auto mode; my question is,
>>>> will an OM-2n with a 2 series screen installed give accurate exposures
>>>> at all speeds in auto mode, or will it only give accurate exposures at
>>>> shutter speeds slower than 1/45 a second?  I have a modified 2-4
>>>> screen that I would like to install in my OM-2n, but if it results in
>>>> underexposure at faster speeds, I will put it in my OM-1n instead and
>>>> simply compensate the 2/3 a stop by using the ASA dial.
>>>>
>>>> I happen to like the OM-2n's aperture priority, and don't really want
>>>> to have to use it manual mode in bright light.
>>>> --
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>>>>
>>>>
>> --
>> _________________________________________________________________
>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
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>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>
>>
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