Andrey, I understand.
I see two options: 1) turning leds always on 2) adding a mechanical shutter Has anyone added a mechanical shutter to an 353 before? Andreas Andrey Filippov schrieb: > > Andreas, > > that depends on what are you trying to capture. If ERS distortion is > not a problem in your case, and the LED is just to provide more light, > not limit the exposure - yes, you can do that (same as if LEDs were > always ON for the camera). If on the other hand, you need LED as a > "snapshot shutter" than you have to reduce ambient light or increase > the LED brightness and simultaneously add neutral filters to the > camera lens. > > Andrey > > On Wed, Apr 13, 2011 at 1:32 PM, Andreas Bean <[email protected] > <mailto:[email protected]>> wrote: > > Andrey, > > I can't set the exposure time even near 67ms. We have difficult > lighting > conditions. For example, we have an indoor room with a bright window > where the cam is moving. > Setting the exposure time to 72ms will give me a blurred image of the > window. Anything else may be sharp due to the fact that it is only > lighted for 5ms. > Is the only option to set the exposure time to 5ms and turn the > leds on > for 72ms? > > Andreas > > Andrey Filippov schrieb: > > Sebastian, > > > > Most consumer cameras with ERS have additional mechanical > shutter - it > > opens 1/15 sec (if they used the same senor) after the sensor starts > > exposing the first line, readout starts after the shutter > closes. When > > using the bright LED it the LED on state is virtually the same as > > mechanical shutter open > > > > Andrey > > > > ERS (Electronic Rolling Shutter) has been used in all > consumer as well > > as professional CMOS based camera systems to date. > > > > > > > _______________________________________________ > Support-list mailing list > [email protected] > <mailto:[email protected]> > http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Support-list mailing list > [email protected] > http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com >
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