Luminous Landscape Forum

Equipment & Techniques => Cameras, Lenses and Shooting gear => Topic started by: BernardLanguillier on December 16, 2008, 11:02:45 pm

Title: Strange effet in night image
Post by: BernardLanguillier on December 16, 2008, 11:02:45 pm

Dear all,

The following image was shot casually with a Canon G10. The train is probably 6 or 7 m away from me.



Cheers,
Bernard

Title: Strange effet in night image
Post by: Kagetsu on December 16, 2008, 11:17:36 pm

That's pretty much it. I've experienced similar, which a bus and LED's travelling past, with fireworks overhead. solid smooth streaking with the fireworks, but 'blinking' effect on the bus LED's... I'll have to find the image to show... It's from my lost archive of 2005. ~_~
The yellow is effectively the same thing too. It's being lit by the refresh rate of the light.

Title: Strange effet in night image
Post by: thierrylegros396 on December 17, 2008, 05:57:55 am

Quote from: Kagetsu

That's pretty much it. I've experienced similar, which a bus and LED's travelling past, with fireworks overhead. solid smooth streaking with the fireworks, but 'blinking' effect on the bus LED's... I'll have to find the image to show... It's from my lost archive of 2005. ~_~
The yellow is effectively the same thing too. It's being lit by the refresh rate of the light.

50Hz or 60Hz in Japan ?!

Can you give us the speed of the Shutter for that Photo ?!

Wanna check by calculation !

Have a Nice Day.

Thierry

Title: Strange effet in night image
Post by: marcmccalmont on December 17, 2008, 07:54:57 am

[attachment=10333:IMG_0309_3.jpg]

Ebisu Station the other day!!!!
Marc

Title: Strange effet in night image
Post by: BernardLanguillier on December 17, 2008, 09:50:13 am

Quote from: thierrylegros396

50Hz or 60Hz in Japan ?!

Can you give us the speed of the Shutter for that Photo ?!

Wanna check by calculation !

Have a Nice Day.

Thierry

Was 1/6th, so it is probably more like 120 hz.

Cheers,
Bernard

Title: Strange effet in night image
Post by: juicy on December 17, 2008, 09:56:39 am

Hi,
You can see this phenomenon with many different types of lamps. For example many streetlights induce similar effects if the camera is moving during a longish exposure.

Cheers,
J

Title: Strange effet in night image
Post by: BernardLanguillier on December 17, 2008, 06:59:25 pm

Quote from: marcmccalmont

Ebisu Station the other day!!!!
Marc

He he he, fun coincidence indeed.

Cheers,
Bernard

Title: Strange effet in night image
Post by: marcmccalmont on December 18, 2008, 03:11:35 am

Quote from: BernardLanguillier

He he he, fun coincidence indeed.

Cheers,
Bernard

I forgot to add G10 Also!
Marc