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photographic strobe circuit?

N

NJM

Jan 1, 1970
0
Would anyone know where I could find a photographic strobe schematic. I
have done much searching, but can only find visual effect strobes, no
photographic. I have found several sources for xenon tubes.
 
H

Homer J Simpson

Jan 1, 1970
0
Would anyone know where I could find a photographic strobe schematic. I
have done much searching, but can only find visual effect strobes, no
photographic. I have found several sources for xenon tubes.

They use a larger capacitor and manual, not automatic, triggering. Otherwise
it's the same circuit.

You'll need to go back about 20 or 30 years to find magazines or books with
such circuits.
 
R

Rich Grise

Jan 1, 1970
0
Would anyone know where I could find a photographic strobe schematic. I
have done much searching, but can only find visual effect strobes, no
photographic. I have found several sources for xenon tubes.

The schematic is pretty much the same, except for component values.
Essentially, just a bigger storage cap, and a manual trigger instead of
the oscillator.

Good Luck!
Rich
 
R

Ron M.

Jan 1, 1970
0
Would anyone know where I could find a photographic strobe schematic. I
have done much searching, but can only find visual effect strobes, no
photographic. I have found several sources for xenon tubes.

Try here. It is a circuit from Tomi Engdahl from Finland. It has a
manual input for single or multiple flashes depending on your control
circuit.

http://www.epanorama.net/circuits/strobo_12v.html
 
D

Don Klipstein

Jan 1, 1970
0
E

ehsjr

Jan 1, 1970
0
NJM said:
Would anyone know where I could find a photographic strobe schematic.
I have done much searching, but can only find visual effect strobes,
no photographic. I have found several sources for xenon tubes.

You might be able to convert a disposable camera
for that purpose. You can get them either real
cheap or for nothing at places that offer film
development service. Beware of the circuit inside
when you open it up. There's a capacitor in there
that holds a hefty charge - you need to discharge
it before messing with the circuit.

Ed
 
J

jasen

Jan 1, 1970
0
Would anyone know where I could find a photographic strobe schematic. I
have done much searching, but can only find visual effect strobes, no
photographic. I have found several sources for xenon tubes.

Photographic strobe? do you mean a flash?

Bye.
Jasen
 
G

Grostle News

Jan 1, 1970
0
Would anyone know where I could find a
photographic strobe schematic. I have done
much searching, but can only find visual effect
strobes, no photographic. I have found several
sources for xenon tubes.

Here: Kodak disposable camera:

http://www.geocities.com/lemagicien_2000/elecpage/maxflash/maxflash.html

Safety reminder: Don't forget about the main capacitor. It packs a
wallop. Short/discharge that rascal before handling the circuit.

You can sometimes purchase flash circuits like those from a disposable
camera at surplus electronics sales online for under two dollars.

This company might still be selling them:

http://www.allelectronics.com

g.n.
 
R

Ron M.

Jan 1, 1970
0
Here: Kodak disposable camera:

http://www.geocities.com/lemagicien_2000/elecpage/maxflash/maxflash.html

Safety reminder: Don't forget about the main capacitor. It packs a
wallop. Short/discharge that rascal before handling the circuit.

You can sometimes purchase flash circuits like those from a disposable
camera at surplus electronics sales online for under two dollars.

This company might still be selling them:

http://www.allelectronics.com

g.n.

Or you might just go to any camera shop that processes the film from
the disposible cameras. They generally take the film out of the throw
away cameras then ship them back to a recycling company. They will
gladly give them to you to save the shipping costs. The best ones are
the Kodak units with the yellow labels. I recently went to a Ritz
camera shop and they were more than happy to give me 20 of them. I
slipped the guy five bucks for his trouble and we were both happy.
 
L

Lionel

Jan 1, 1970
0
I have heard photographers use the word "strobe" to refer to a
photoflash device.

A flash is powered by a low voltage that is multplied into a capacitor
until the volage is high enough to power a xenon tube, & can't be
flashed again until a new charge has built up. A strobe has a power
supply big enough to flash the tube as often as the user wishes (but
within the limits due to heating of the tube.)
 
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