Re: [Phys-L] Making video content with incandescent light and 100Hz bands pro...

[Bernard Cleyet <bernardcleyet@redshift.com>]

On 2012, May 13, , at 14:12, Aburr@aol.com wrote:

> Can you check to see if the bands are really 100 Hz just in case the  
> problem is something else?


I wonder -- I've never experienced this prob. w/ four different digital cameras including the MacBook Pro's.   Could the camera be sensitive to the mag. field from the domestic power to the lamps?   Does this happen in the bright sunlite outside using the same set up?

bc




On 2012, May 13, , at 14:12, Aburr@aol.com wrote:

> Now,  with an improved video camera (actually just my iPhone) the camera  is
> picking up scrolling bands across the display, I presume because of  the
> 50Hz (as we have in NZ) voltage powering the bulbs, which I guess is  making
> 100 Hz intensity variation.