Taking a look at the PNV57A Gen 0 Night Vision Goggles.
Technically a Polish PNW-57-A set.
The PNV-57-A is a Soviet Gen 0 night vision set, meaning it barely amplifies visible light like modern night vision units, this is an "Active" device, designed to be used with IR floodlights, spotlights to find enemy targets.
A saving grace of the 57-A is that it has a wider visible IR spectrum than many modern and far more expensive units.
This device uses V-2K intensifier tubes which can see an amazing 400-1200 nm worth of IR, lots of Gen 3 units can only see about 800-900 nm for example.

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