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Cameras don't seem to be good at detecting laser-spots/reflections in their view-finder. It ends up showing just as a spot, about the same as a big tree-leaf on the ground. The human eye sees the intense reflection like INSANE/RIDICULOUS, but NOT the camera. (In fact even the sun, which you...

Anyone know of a yellow laser (and vendor source) that would be similar to this 0.8watt 532nm dpss 10X one at 0.4 miles, similar in terms of strength/brightness and beam-diameter: https://www.jetlasers.org/index.php?id_product=10&controller=product

Anyone know of a red laser (and vendor source) that would be similar to this 0.8watt 532nm dpss 10X one at 0.4 miles, similar in terms of strength/brightness and beam-diameter: https://www.jetlasers.org/index.php?id_product=10&controller=product

I know this will end up being a dumb question, but when you buy a laser from jetlasers.org, what is the best way to dial/tune the two knobs to make the beam as small as possible at large distances (half a mile, e.g.)? There are two knobs when you buy a laser with a 10x expander. [My first...

Does anyone know a rough estimate of the end-cost ($) of a 1kilowatt (1kW) infrared (say 1000nm) laser with a beam-diameter of about 6inches at 0.4 miles? (I am guessing the cost will be pretty ridiculous; but, I thought it wouldn't hurt to ask.) Also, what would the weight be roughly?

Is there a way to stop a DPSS 532nm laser (0.9watt) from flickering as in the attached short clip? It is about a 5Hz flicker of significant intensity-magnitude. Full-disclosure -- it is running off of an 5volt-adapter connected to a power-inverter which is connected to a 12volt car battery...

If you buy a laser via paypal from a private-party in China or Japan or Russia, will paypal refund you if you never get the item? (I am in usa.)

Do they make/sell filter-material that will make a laser-beam more visible to a camera? I have in mind green and blue lasers. For example, for red lasers they make plastic glasses that filter out all the other wavelengths so that the red is much more visible to the camera:

So far I see this one for $249: https://laserpointerstore.com/laser-pointers/by-colors/green-lasers/gatling-stretch-laser-pointer

Looking for cheapest functional LPM (laser power meter). What is the best source/model for such? Will this one work below at ebay? https://www.ebay.com/itm/Newport-Model-1825-C-Industrial-Optical-Laser-Digital-Analog-Power-Energy-Meter/132946804050

This may be too much to ask for, but I am looking for a laser with the following properties: 1.beam diameter not more than 6inches at 600yards. 2.beam detectable (from the side, not via reflection off of a hard surface) by a 6mm camera out to 600yards, IN DAYLIGHT SUCH AS 3PM IN THE AFTERNOON...