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4hv.org :: Forums :: High Voltage
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Jacobs ladder pics

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GreySoul
Sat Feb 24 2007, 01:19AM Print
GreySoul Registered Member #546 Joined: Fri Feb 23 2007, 11:43PM
Location: Albuquerque, NM
Posts: 239
Shared these with the geekgroup a while back, just joined here so....

Some 1/60 - 3 second exsposures from a 12kv NST

Jacobslader

-Doug
***mod edit- Nice pictures but they break the board formatting rules, no more than 475px wide please ***
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Myke
Sat Feb 24 2007, 04:08AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Nice pictures. smile Does anybody know how to change the exposure time on a digital camera?
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ConKbot of Doom
Sat Feb 24 2007, 04:29AM
ConKbot of Doom Registered Member #509 Joined: Sat Feb 10 2007, 07:02AM
Location:
Posts: 329
Myke wrote ...

Nice pictures. smile Does anybody know how to change the exposure time on a digital camera?
it can be a pain on most point and shoots. Turning off the flash and turning up the brightness may help. but good control is something that you have to pay for...
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GreySoul
Sat Feb 24 2007, 04:46AM
GreySoul Registered Member #546 Joined: Fri Feb 23 2007, 11:43PM
Location: Albuquerque, NM
Posts: 239
Oh yeah, I use a Canon Powershot G2. It has a true "manual" mode as well as apature and time prioity, and several "auto" modes for point and shoot.

Any decently featured newer camer should offer at least some level of controll on the exsposure time - poke around in the settings or dig the manual out from under that pile beside your desk (you know the one)
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ragnar
Sat Feb 24 2007, 05:33AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
Depends entirely on the camera wink

Try and find a +EV or -EV button...

Fiddle around with the ISO, aperture, and exposure time.
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ConKbot of Doom
Sat Feb 24 2007, 06:07AM
ConKbot of Doom Registered Member #509 Joined: Sat Feb 10 2007, 07:02AM
Location:
Posts: 329
BlackPlasma wrote ...

Depends entirely on the camera wink

Try and find a +EV or -EV button...

Fiddle around with the ISO, aperture, and exposure time.
I played around with my camera, adjusting the ISO, and the times remained the same for everything, and it seems like the only thing affected was the noise in the image. Adjustments on point and shoot digital cameras can be real hit or mis as to if they really do anything depending on the camera of course.
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