Now you can observe the laser beam spot in a real-time.
There is a nice solution in the markets like eBay, Aliexpress, and Amazon.
or anything similar >>>
14MP HDMI VGA HD Industry 60F/S Video Microscope Camera 8-130X Zoom C-mount Lens + Remote Control
1. High resolution, clear image.
2. 1/3” CMOS.
3. 720P@60F/S camera.
4. Live images can be displayed directly on any HDMI monitor, projector or TV.
5. Built-in digital crosshair and color control, add lines, freeze, mirror, rotate, negative, compare function, use remote control, easy to operate
6. Supply VGA, HDMI high-definition video, simultaneous output of two output ports.
Sensor: 1/3 inch 14MP
Image resolution: 1280*720 60F/S.
White balance: automatic
Mirror: left/right, up/down
OSD: English / Chinese
Lines: different colors, 8 horizontal lines, 8 vertical lines, any position
Package weight: 585g
Packing size: 160*100*80mm/6.29*3.93*3.14”
C-port zoom lens
Optical magnification 0.12 times -2 times (about 8 times -130 times in 21 inch display)
Working distance: 55mm-180mm/2.16-7.08”
Field of view: 2.4mm-18mm/0.09-0.71”
It has a pretty good optical zoom that allows seeing very tiny laser beam stop
Use the anodized plate for that. They have very low scattering coefficient so you see the laser beam sport quite accurately
this camera can be used to observe a laser beam spot in a real-time
You need to add a camera filter : red or green.