Feel that firmly clicks into place at the I II and IIIPosted by Rondid42 on July 28th, 2016 Feel that firmly clicks into place at the I II and III markings The red light is the classic choice when you are trying to protect your night vision Red light is detectable by the cones in the eye but not the rods where night vision occurs The blue is a nice step up from red that lets you see and read more easily without going to a bright white light The beam distance on high is 158m The Pelican 2370 produces a http://divinenutrions.com/need-a-flashlight. tight spotlight in the distance test The balance of its feature set is for up close work though In this test the map was readable in the red blue and lower power white light settings Personally I did some tests with this light after sitting in the dark long enough for my eyes to build up some rhodopsin the fragile night vision chemical The level of red light produced was enough to let me read details on the map while still retaining a good ability to see in the dark The blue light did have more of an impact on my night vision after reading the map but was certainly better than regular white light An unexpected result was that the blue light seems to give the map used in the test an almost 3D effect with some of the details and contours The Felix LD41 is a high-end light that can act as both a powerful spotlight and a lower powered unit for close up work At seventy-five dollars it runs on four AAs instead of the usual two giving. Like it? Share it! More by this author |