The dots you’re seeing are likely the LCD’s own pixel structure and refresh behavior, not just camera noise. A small camcorder screen is hard to photograph cleanly because its pixels are very visible at close range.

A better approach is to display the paused frame on a larger TV/monitor and photograph that instead. The larger screen makes the pixel grid less obvious.

Also use a shutter speed long enough to average out the screen refresh. A good starting point is 1/30 second or slower. If the shutter is too fast, you can get lines, banding, dark sections, or other odd patterns from the display refresh or interlacing.

Since you already have the camera on a tripod, a longer exposure should be workable. In short:

• Use a larger display if possible
• Keep the camera steady on a tripod
• Try 1/30 sec or longer shutter speed
• Watch for screen-refresh artifacts and adjust if needed

Photographing the tiny built-in LCD directly will usually never look as clean as using a larger screen or extracting the frame digitally.