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AnalogRocks
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Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun May 04, 2008 5:36 am Post subject: What was this lens from? Delta 7T-AC Rev.B. |
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I found this is storage today. Not shure where I got it. Anyone know what it was used for? It's a pretty cool lens.
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AnalogRocks
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Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun May 04, 2008 1:08 pm Post subject: |
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Probably from some sort of projection system where the tube shot straight up or down and required a 90 degree bend to shoot out. Kind of funky looking 
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Aaron Inami
Joined: 08 Apr 2008
Posts: 17
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| Posted: Sun May 04, 2008 2:18 pm Post subject: |
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I seem to remember that there was a CRT projector made that had a single output lense in the middle (instead of three separate lenses). This lense could have been used for that, as all three CRT tubes needed to be mirrored into one single output lens. I can't remember who made this projector, but I know it existed because a friend of mine had one in 1996. It could be an attempt by the CRT manufacturer to improve the focus of the three elements (since the corner focus adjustments of the left/right lenses may not have existed yet).
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David_Web
Joined: 02 May 2007
Posts: 418
Location: Sweden
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| Posted: Sun May 04, 2008 2:36 pm Post subject: |
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For a RP set to save space?
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Heywood Jablome
Joined: 12 Mar 2006
Posts: 1548
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| Posted: Sun May 04, 2008 3:40 pm Post subject: |
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Submarines?
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-- Baron Alexander von Humboldt: 1769-1859
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun May 04, 2008 5:38 pm Post subject: |
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| Heywood Jablome wrote: | | Submarines? |
LOL good one! 
I'm guessing it was RP based with a short depth cabinet because the mirror is built into the lens. Very cool actually.
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