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3EIR Sentinel IRV
Three-beam aluminum laser: visible green, IR pointer, and VCSEL illuminator with a Crane-pattern remote port. 3EIR's direct competitor to the MAWL-C1+ and NGAL at civilian-legal power; the milled body and Crane plug are the tells.
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Understand it first
Night vision, explained honestly
Why it costs what it costs, what the specs mean, and where the money actually goes.
The legality questions worth asking before you buy
Not legal advice — a checklist of the places where gear law actually bites, so you know what to look up.
Thermal vs. night vision: two different senses
One amplifies light, one sees heat — what each is actually for, and what the money buys at every tier.
Buying used without buying a fake
The secondhand market is the best way into this hobby — here's how to verify what you're holding.
IR lasers and illuminators, aimed responsibly
How aiming under night vision actually works, what the power classes mean, and the discipline of invisible light.