Nvmt 4 1x24 was specially designed for use with a head mask 1 fold magnification allows to estimate the size of viewing objects and distance correctly so have an adequate image the nvmt 4 monocular is affordable compact lightweight it provides really comfortable viewing and versatility for numerous activities the nvmt 4 1x24 is the best choice to use with a yukon nvmt head mountthe yukon nvmt 1x24mm night vision monocular headgear kit uses no magnification so that users can see a cle