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view finder masks and their lenses.

 
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Les



Joined: 09 May 2001
Posts: 2682
Location: Detroit, MI

PostPosted: Sun Feb 23, 2003 3:55 am    Post subject: Reply with quote

i just recieved a couple of masks and I thought I'd get the groups opinion on what I have.

the first one:

should be good for that 15 in tele optar

this one:

is supposed to be good for "16 15/16"-20" lenses"
according to Graphic Graflex Photo, 10th edition
So that means the 20" B&L aerial tele might focus on a Graphic? Anybody else got any ideas about tele lenses in the 430-508mm range?

Any ideas about this last one? It's original!




[ This Message was edited by: Les on 2003-02-22 19:58 ]
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Dan Fromm



Joined: 14 May 2001
Posts: 1863
Location: New Jersey

PostPosted: Sun Feb 23, 2003 1:35 pm    Post subject: Reply with quote

Quote:

On 2003-02-22 19:55, Les wrote:
i just recieved a couple of masks and I thought I'd get the groups opinion on what I have.

this one:

is supposed to be good for "16 15/16"-20" lenses"
according to Graphic Graflex Photo, 10th edition
So that means the 20" B&L aerial tele might focus on a Graphic? Anybody else got any ideas about tele lenses in the 430-508mm range?



[ This Message was edited by: Les on 2003-02-22 19:58 ]
Graflex bought some lenses from Dallmeyer, who made a 20" (508 mm) tele. This was probably an ok lens, it was offered on early focal plane Hasselblads.

Cheers,

Dan
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Henry



Joined: 09 May 2001
Posts: 1427
Location: Allentown, Pennsylvania

PostPosted: Sun Feb 23, 2003 9:21 pm    Post subject: Reply with quote

I'm reading off of the back cover of Graflex, Inc. Form No. 1804/865, "Rapid-Vance RH/20 Roll Film Holder Guidebook," where there's a chart giving all the mask catalog numbers matched with focal lengths. The number 7 mask (cat. no. 9105-7) is for 192-227 mm lenses, and the no. 5 (cat. no. 9105-5) is for 268-305 mm. This is for "2-1/4 x 2-3/4 picture size."

As for that last one, it's to protect your eyeball when you take pictures of the sun.
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alecj



Joined: 09 May 2001
Posts: 853
Location: Alabama

PostPosted: Sun Feb 23, 2003 9:48 pm    Post subject: Reply with quote

Henry, I disagree. That last one is for night photography.
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RichS



Joined: 18 Oct 2001
Posts: 1467
Location: South of Rochester, NY

PostPosted: Sun Feb 23, 2003 10:03 pm    Post subject: Reply with quote

I would have guessed that last one for a special military design for those nuclear tests in the 50's?
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Les



Joined: 09 May 2001
Posts: 2682
Location: Detroit, MI

PostPosted: Mon Feb 24, 2003 6:35 am    Post subject: Reply with quote

See, I'm glad I asked. I thought it was for the guy that shot IR film with wih an 87c on an SLR before he bought the Graphic, and this would make the Crown act more like the SLR.

It was that or the the first two was so you can shoot like John Winstanley (a Detroit god among photo circles) and the last was so you could shoot like Stevie Wonder (another Detroit god among certain circles)
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