[rollei_list] Re: Argomania

  • From: "Stephen Attaway" <stephen@xxxxxxxxxxxxxxxxxx>
  • To: <rollei_list@xxxxxxxxxxxxx>
  • Date: Sun, 10 Jan 2010 18:47:07 -0800

Felleni's La Dolce Vita is filled with a gang of celebrity photogs. They are always accompanied by the tinkling sound of their discarded flash bulbs bouncing on the pavement.


Paparazzo himself, though has a big Braun electronic flash bolted to his Rolleiflex - with a separate battery.
--------------------------------------------------
From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
Sent: Sunday, January 10, 2010 3:41 PM
To: <rollei_list@xxxxxxxxxxxxx>
Subject: [rollei_list] Re: Argomania


----- Original Message ----- From: <aghalide@xxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Sent: Sunday, January 10, 2010 5:40 AM
Subject: [rollei_list] Re: Argomania


Now I have an idea on what I can do with the Sylvannia giant flash bulbs they sent me when I requested just a few. ....my friend at Sylvannia sent me a case. They are sitting in my garage as we speak.

Ed Meyers
-------------- Original message from CarlosMFreaza <cmfreaza@xxxxxxxxx>: -------------- Sylvania bought Wabash sometime around the late 1940s. Wabash also made photoflood lamps and general lighting lamps. I have conflicting information on who made the first commercially flash bulbs in the US, some sources say it was wabash, others General Electric. AFAIK, Wabash developed the blue dot to detect leaky bulbs before being bought by Sylvania. Sylvania used the advertising slogan "Sure Shots with Blue Dots". Wabash used the trade name "Superflash" and Sylvania used Sylvania "Blue Dot" Flashbulbs. Early flash bulbs had the problem of being sensitive to static electricity and could also be fired by proximity to another bulb. This latter effect was used by press photographers who would cram a second or third bulb into a reflector. All the bulbs would go off when the main lamp was fired. However, the light output was reduced. There were also cases of bulbs going off when subjected to strong radio fields, such as when a police car transmitter was keyed. Sometimes bulbs would just go off spontaneously. If carried in a bag or pocket all the lamps would go off at once. If they were in a pocket they could cause serious burns. Later lamps were coated with a plastic material to prevent their shattering. The plastic accounts for the familiar odor of fired flash lamps and also probably for the crackling sound they made. Most flash lamps had a color temperature of around 4800K. The blue lamps for color were dipped in a blue lacquer to get about a 5500K temperature for daylight color film. There were also amber flashbulbs to match color film intended for 3200K incandescent lamps. Some flashbulbs were dipped in an IR filter material. These look dark red and were not very visible when set off. Weegee made a whole series of photos in darkened movie theaters using these lamps and IR film. Strobe supplanted flash bulbs mostly for economic reasons but also for the motion stopping property. But the early equipment was very heavy and clumsy compared to flashbulb equipment and mostly did not have the light output.

--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx


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