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11/5/2015 12:36:15 AM EDT
Purchased a new pvs-14 with manual gain. I have noticed when standing in the dark and looking at houses with lights on inside or outdoor lighting around 50 and 100 yards away... The lighted images will show twice. Best way to describe it would be as if the lights are being reflected. So I have the original image in the tube, plus what appears to be a rejected image of just the lights underneath (I hope this makes sense). It happens regardless of whether or not the gain is high or low. The addition of a strong IR light gets rid of the image. Thanks for your input
11/5/2015 12:52:24 AM EDT
[#1]
Are you looking through the device with both eyes open?
11/5/2015 1:03:42 AM EDT
[#2]
Yes both opened... Never noticed with my pvs-14s in the military, nor with my other monoculars I have previously owned
11/5/2015 6:43:41 AM EDT
[#3]
Can you get a photo of it happening?



Thanks

David
11/5/2015 12:14:23 PM EDT
[#4]
DO you have a sac or IR filter on the front or a demist on the rear lens?
11/6/2015 10:55:51 AM EDT
[#5]
I have a similar rig and I get something similar, in that the colors change with artificial light blazing.  I think it has something to do with the type of light, being seen through the type of glass, and the angle of your line of sight to it.  Lotsa stuff going on there!   I run a sacrificial lens on front and Wilcox filter on rear.  With both eyes open I sometimes get this psychedelic effect like that.

Don't know but I wonder if it has something to do with the increased sensitivity of the newer units, over what you ran in the military.  My new unit is totally different from my old mil-spec unit.   And the Wilcox filter puts a different hue on everything (which I like).
11/6/2015 7:18:33 PM EDT
[#6]
It could be that the ocular is not colimated correctly. This would produce a double image when looking with both eyes open, intensified lights with they eye looking through the scope and the un intensified lights with the unaided eye would not line up.
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