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Can you imagine using these?
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Sep 16, 2023 16:28:07   #
Tote1940 Loc: Dallas
 
These are from before my time.
Two of them, mail order many years ago.
Hint to use you squint through slit on black plastic end



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Sep 16, 2023 16:30:28   #
Longshadow Loc: Audubon, PA, United States
 
If I knew what they were I might be able to answer your question.

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Sep 16, 2023 16:48:24   #
joecichjr Loc: Chicago S. Suburbs, Illinois, USA
 
Tote1940 wrote:
These are from before my time.
Two of them, mail order many years ago.
Hint to use you squint through slit on black plastic end


Cool 🆒🆒🆒

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Sep 16, 2023 16:50:00   #
CCPhotoist Loc: Cape Cod
 
It's an extinction meter (exposure meter). There is one for sale on Ebay.
Technology sure has come a long way.

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Sep 16, 2023 18:04:10   #
Tote1940 Loc: Dallas
 
You are correct! Cannot imagine accuracy

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Sep 17, 2023 08:34:36   #
Don, the 2nd son Loc: Crowded Florida
 
Tote1940 wrote:
You are correct! Cannot imagine accuracy


But, you can test the accuracy easily enough. Fun project for a lazy day.

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Sep 17, 2023 12:33:30   #
lamiaceae Loc: San Luis Obispo County, CA
 
Tote1940 wrote:
These are from before my time.
Two of them, mail order many years ago.
Hint to use you squint through slit on black plastic end


Strictly something to play with when bored. I once had some sort of light meter that was a tube like a kaleidoscope with scales around the outside. Didn't work a d*mn. I could guess exposures better. In-camera light meters are very accurate these days. I also have a Minolta Spotmeter F, Gossen Luna Six, and Gossen Luna Pro SBC.

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Sep 17, 2023 12:48:53   #
jamesl Loc: Pennsylvania
 
Tote1940 wrote:
These are from before my time.
Two of them, mail order many years ago.
Hint to use you squint through slit on black plastic end


---
Yea, they are roll film holders. The numbers showing are visible in a small opening and shot the shot number you are taking. The multiple riws/colums of numbers are there because not all cameras put the window to view the shot number in the same place. The numbers are not the same in all of the rows/columns because different cameras used the same film but created different size negatives. For example one camera may produce 2 1/4 by 2 1/4 square negatives and a dufferent brand/model camera may be creating 2 1/4 x 3 1/4 negatives. I also had a 35mm camera that took split frame shots, taking 2 shots in the same space as a single normal 35mm shot so a 36 exposure roll would give you 72 exposures on the split frame camera.

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Sep 17, 2023 14:43:34   #
E.L.. Shapiro Loc: Ottawa, Ontario Canada
 
I don't have to manage using those. They are not called "extinction meters" because they are extinct- but they have been for a long time. They did work in most daylight situations, in a manner speaking.

When I was a kid, just after the Pelapenician Wars the older amateur photographer in my family would hand me down their old gear. After messing around with those "meters", I found the old f/16 bright sun trick and the instruction sheets packed with the film were more accurate. My next gift was a Weston meter, the one that was shaped like a bar of Octagon Laundry Soap. That meter actually worked well once I learned how to make reflected light readings. Then came a Weston Master I, and a Norwood Director- the one with a swivel head that Sekonic later replicated.

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Sep 17, 2023 16:56:15   #
edrobinsonjr Loc: Boise, Idaho
 
Interesting.
I have never seen one.
It looks more like some kind of roll film than a light meter.

Here's a YouTube link to what has to be a major light meter collection: https://www.youtube.com/watch?v=AusX81WMHT8

In the years ahead, someone will post a camera and ask the same question.

Ed

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Sep 18, 2023 00:16:56   #
User ID
 
jamesl wrote:
---
Yea, they are roll film holders. The numbers showing are visible in a small opening and shot the shot number you are taking. The multiple riws/colums of numbers are there because not all cameras put the window to view the shot number in the same place. The numbers are not the same in all of the rows/columns because different cameras used the same film but created different size negatives. For example one camera may produce 2 1/4 by 2 1/4 square negatives and a dufferent brand/model camera may be creating 2 1/4 x 3 1/4 negatives. I also had a 35mm camera that took split frame shots, taking 2 shots in the same space as a single normal 35mm shot so a 36 exposure roll would give you 72 exposures on the split frame camera.
--- br Yea, they are roll film holders. The numbe... (show quote)

Whoooooooh hoo .... no way ! Look carefully.

The numbering sequence tells you what they are used for (although zilch about *how* to use them). Likewise the word "Weston" tells you that it calculates exposure.

If youve ever "peeled" and souped rollfilm I must assume that it was waaaaay long ago.

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Sep 18, 2023 00:39:07   #
User ID
 
lamiaceae wrote:
Strictly something to play with when bored. I once had some sort of light meter that was a tube like a kaleidoscope with scales around the outside. Didn't work a d*mn. I could guess exposures better. In-camera light meters are very accurate these days. I also have a Minolta Spotmeter F, Gossen Luna Six, and Gossen Luna Pro SBC.
Strictly something to play with when bored. I onc... (show quote)

If that "Kalaidescope" is branded "SEI", its very useful, accurate, and $$$ valuable.

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Sep 18, 2023 09:19:57   #
markngolf Loc: Bridgewater, NJ
 
I remember having one of those and an older Zeiss 35mm my uncle gave to me. I was about 10 - 11.
Mark

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Sep 18, 2023 09:27:11   #
User ID
 
markngolf wrote:
I remember having one of those and an older Zeiss 35mm my uncle gave to me. I was about 10 - 11.
Mark

Ill bet he also gave you a yellow filter and a film processing tank as well :-)

Wondering if this was your mothers brother ?

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Sep 18, 2023 09:42:13   #
markngolf Loc: Bridgewater, NJ
 
User ID wrote:
Ill bet he also gave you a yellow filter and a film processing tank as well :-)

Wondering if this was your mothers brother ?


No, he did not. Yes, it was my mother's brother.
Mark

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