Put two new batteries no image thers a thırd knob that has nothıng ınsıde ı wonder if you put av battery or somethıng ın ıt emaıl [email protected] thank you thıs ıs tasco nv-118 8-9 year old model

Hello, I fell the same way buddy. Sorry to here about your Night Vision monocular? But Tasco NV monocular is manufactured in Russia. It seem you got a few year out of your NV devise...7 years is very good. The biggest thing that goods bay is the Russian manufactured image intensifier tube. There are cheap. This is about 85% of the monocular problem and 90% of the cost. Two items that viewed as important with NV devises. The case, and the image intensifier tube. Now, if you have Russian optics above 50mm for the front lens then on could consider that the optics are another cost. Auction it off on eBay as "doesn't work, parts only" Sorry, and I wish you luck...GB...stewbison