Forum: Pentax K-5 & K-5 II
09-15-2012, 10:29 AM
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I had three lockups during New York Fashion Week shooting major runway shows. Really the most terrible times to have a camera failure, I missed several looks. Three times with a 50-135 f2.8, once with the 200mm f2.8, ISO 400 on one show and ISO 800 on the other, lots of autofocus usage and rapid shooting, 16MP JPEG ***, firmware v 1.13, and I do not use noise reduction.
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Forum: Pentax K-5 & K-5 II
11-28-2011, 08:56 PM
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There were no fluorescent lights in use. I had a tungsten fresnel (ETC Source Four) used for the test I posted and I also tested with a tungsten softlight (ARRI). Under the same lighting conditions, the strobing effect did not occur in 720p mode. Also, the "throbbing" was not limited to surfaces being struck by the light sources, it covers the whole frame. I pointed the camera at a window where daylight was visible and the effect continued. This is something going on inside the camera, not a result of interaction with the environment.
Frame rate is automatic at 1080p, I don't think it can be adjusted, and I made no attempt to do so.
I used to do 24 frame sync on film sets, so I know quite a bit about this specific subject, and it has me quite puzzled.
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Forum: Pentax K-5 & K-5 II
11-27-2011, 09:00 PM
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I'm getting a glitch that only shows up in the highest quality video mode. If I switch down to 720 it goes away. These scrolling waves of distortion appear on the camera's screen and in recorded video when played back on a computer.
I posted a clip on YouTube that shows what was recorded: You Tube |
src="https://www.youtube.com/embed/fqrRkR9ztsU?controls=1" allowfullscreen> |
I hope I'm not double-posting this. I tried to post in general troubleshooting but it didn't show up.
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