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Shutter speed


It's recommended in various places, including PTZOptics docs, to set the camera shutter speed to twice one's refresh rate.

In the drop-down menu on a 20x SDI Gen2 (no NDI licence) device, I don't see any European options - e.g. no 1/50 (to go with 25fps capture).

Any thoughts, or is this advice no longer appropriate?


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Hi Dave,

The Shutter speeds are set based on the NTSC FPS, so there are no 25 or 50 fps options. They should still work when set to a 1080p50 or 1080p25 though. 

Shutter: Shutter value, optional items: 1/30, 1/60, 1/90, 1/100, 1/125, 1/180, 1/250, 1/350, 1/500, 1/725, 1/1000, 1/1500, 1/2000, 1/3000, 1/4000, 1/6000, 1/10000 (Effective only in SAE & Manual mode)

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