Youtor
Night Vision 101 Focus Diopter Aperture
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=f0xvNbglbzY
In this video we cover three of the most important aspects of basic night vision use: focus, diopter, and aperture. Understanding how to set the diopter properly, and how aperture relates to depth of field comes in handy when using night vision devices. • 0:22 Focus • 0:45 Aperture • 3:24 Lens Cap Demonstration • 3:56 Diopter
#############################
