Night Vision supplement til riffelkikkert??

[JægerFrank]

o create true night vision, the ND-3 Subzero™ Laser Designator uses the same patented green laser technology as the standard ND-3® series. However through innovative engineering and equipped with a unique circuitry enabling the DPSS 532nm green laser to now operate at temperatures as low as zero degrees Fahrenheit without loss of power.

for mig lyder det ikke til at virke ved minus 18 grader

den ville jeg ellers godt ha haft