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Guide numbers for Press 22?

 
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Baker



Joined: 08 Apr 2002
Posts: 85
Location: Texas
PostPosted: Sat Jun 29, 2002 6:48 am    Post subject: Reply with quote
I have in my possession eighteen (got 'em for a dollar each on ebay ) Dura Flash Press 22A flashbulbs. The A is for Amber coating, to balance 'em for tungsten color film, and therein lies my problem. The only guide numbers on the boxes are for 1950's-era color film. I'll be using new TMAX 100, though.

What're the guide numbers for #22 bulbs with ASA100 B&W?
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Les



Joined: 09 May 2001
Posts: 2682
Location: Detroit, MI
PostPosted: Sat Jun 29, 2002 4:03 pm    Post subject: Reply with quote
Super Panchro B had a tungsten index of 100 and a guide number at 1/50 of 320 in a 6-7 inch polished refector

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