You guys need either a good beer, a good woman or a good shrink or all
of the above to validate your time card!!!!! Dots a do ya........
Bill
On Feb 22, 2004, at 10:46 PM, Gregg Iverson wrote:
>
> Interesting Moose,
>
> Where is the tab in relationship to these boxes? My dots were
> immediately
> to the right of the number 1.
>
> gregg
>
>
>> All right, you asked for it. A local survey reveals 5 (!) different
>> tab
>> markings for 1-1 screens.
>> Imagine this grid:
>> _____
>> |_|_|_| With the top line of boxes labeled 1, 2, 3.
>> |_|_|_| And the bottom row labeled 4, 5, 6.
>>
>> I found a total of 8 screens:
>> 1 screen with no dot at all 1(0).
>> 3 screens with 1 dot in position 4 1(1).
>> 2 screens with 2 dots in positions 4 and 6 1(2a).
>> 1 screen with 2 dots in postitions 2 and 6 1(2b).
>> 1 screen with 3 dots in positions 1, 4 and 6 1(3).
>>
>> Seven of these screens were in cameras, for which the serial numbers
>> are:
>> 1(0) 206,xxx
>> 1(2a) 281,xxx
>> 1(1) 554,xxx
>> 1(1) 679,xxx
>> 1(3) 902,xxx
>> 1(2b) 1,096,xxx
>> 1(2a) 1,100,xxx
>>
>> No solid pattern, just a general trend, but screens do get
>> interchanged.
>> Now we can assume some complex hidden differences.... Or simply that
>> they are marks to show which of several molds a given screen came out
>> of, so any flaws can be traced to the source.
>>
>> Now there's about an hour of my life I'll never get back. But.......
>> There was a payoff. One body I checked had a pristine 1-7 screen in it
>> that I hadn't noticed. It now has a 1-13 and the 1-7 is in a nice Oly
>> screen box.
>>
>> In answer to the inevitable question, yes, I'm trying to corner the
>> market in black OM-1 bodies. (Evil cackles, hands wrung together
>> evilly!). Really, I have this little project to create a few close to
>> mint black OM-1 bodies (and keep the best one for myself!). To that
>> end
>> there are some good OM-1 bodies (some CLAed), some OM-1 parts bodies,
>> some OM-10 and G(20) parts bodies with good prisms and a few new old
>> stock black top plates. Trouble is, I'm way behind schedule, whatever
>> it
>> was. Retirement is so seductive, so many lovely time-consuming
>> non-activities to participate in, like this list.
>>
>> Moose
>>
>> golftooter@xxxxxxxxxxxx wrote:
>>
>>> I was swapping around focus screens in my cameras today and noticed
>>> that
>>> one of the 1-1 screens is labeled 1. (1 dot ) while another one is
>>> labeled
>>> 1.. (1 dot dot). Does anyone know if there is a difference in them.
>>> I
>>> double checked with a reversed 50mm/1.8 just to be sure of what I
>>> saw. The
>>> second one has two distinct raised bumps where the first one only
>>> has one.
>>>
>>> We have discussed Phillips vs slotted screws on 50mm lens mounts,
>>> but I
>>> don't remember anything about raised bumps on screens!
>>>
>>> gregg
>
>
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