Doubling lens for Challenger GS 1×20

Lens increasing magnification up to 2x for the Pulsar Challenger GS 1×20 night vision device. Its use allows you to increase the range of night vision devices in both residual lighting and with a built-in illuminator by several dozen percent. Quick assembly using the thread present in the inner part of the 1x lens enables tight connection and quick disassembly and use of the 1x night vision device with head mount. Doubler lenses have anti-glare coatings, and the lens housing is made of metal.