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Posted: 8/28/2018 2:54:14 PM EDT
[#1]
If you'd like a pic of the image through the unit, we can provide that. Just shoot a PM over.
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Posted: 8/28/2018 6:26:58 PM EDT
[#2]
Quote HistoryQuoted:
If you'd like a pic of the image through the unit, we can provide that. Just shoot a PM over. |
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Posted: 8/29/2018 12:29:53 AM EDT
[#3]
I don't see a price on that page.
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Posted: 8/29/2018 3:33:59 AM EDT
[#4]
Quoted:
Do you think this is a good way to get a filmless tube for the price of a thin filmed one? "Gen 3 Unfilmed White Phosphor L-3 Auto-Gated systems with 1 large spot in zone 3. Minimum signal to noise is 30, resolution 64. Tube data sheet is included with the unit." https://nvisionoptics.com/product/pvs-14-monocular-unfilmed-l-3-iit-zone-3-blemish/ At $3,300.00 for that blem unit I'd rather buy a full on L3 for $500 more with small or no blems, SNR in mid 30s, 72lp, etc. but that is just me. What are the halo and EBI? Under 1 is good, over 1 is not so good for an L3 filmless. It matters on specifics. If you get under 1 EBI and Halo, 32 or 33 SNR, 64lp the blem might be worth it, and at 72lp it would be a no brainer. |
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Posted: 8/29/2018 6:35:25 AM EDT
[#5]
@DevL How do you think these would compare to the TNVC thin film WP units for about the same price? I'm already stretching my budget for these I can't really swing another $500.
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Posted: 8/29/2018 9:03:05 AM EDT
[#6]
Hello DevL, thank you for your comment but let me respectfully disagree. It is exactly the _same_ regular L3 unfilmed WP tube with the large black spot on the edge. Minimal SNR and resolution specs from our web page are just that - minimal specs.
Anybody who is interested to find real specifications for tubes that we have in stock, see the image of the actual tube, etc should PM or email/call us. Quote HistoryQuoted: Thats pretty bad for unfilmed white phosphor L3 tube as far as resolution and SNR. I have not seen lower. Its not like you are getting the equivalent to a regular L3 unfilmed white phosphor with a spot on the edge, its a lower end tube overall. A filmed tube will be over 28 SNR and 64 lp minimum. Its just a white tube... At $3,300.00 for that blem unit I'd rather buy a full on L3 for $500 more with small or no blems, SNR in mid 30s, 72lp, etc. but that is just me. What are the halo and EBI? Under 1 is good, over 1 is not so good for an L3 filmless. It matters on specifics. If you get under 1 EBI and Halo, 32 or 33 SNR, 64lp the blem might be worth it, and at 72lp it would be a no brainer. |
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Posted: 8/29/2018 9:07:06 AM EDT
[#7]
Hello Dogesco93, thanks for asking. We (N-Vision Optics) have been in night vision business for 14 years and 9 months.
Quote HistoryQuoted: How long have y’all been around, if you don’t mind me asking? |
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Posted: 8/29/2018 11:25:06 AM EDT
[#8]
Quote HistoryQuoted:
Hello Dogesco93, thanks for asking. We (N-Vision Optics) have been in night vision business for 14 years and 9 months. |
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Posted: 8/29/2018 5:43:36 PM EDT
[#9]
I called and had my questions answered. Ordered one and it should be here Friday.
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Posted: 8/29/2018 5:50:44 PM EDT
[#10]
Quote HistoryQuoted: Thats pretty bad for unfilmed white phosphor L3 tube as far as resolution and SNR. I have not seen lower. Its not like you are getting the equivalent to a regular L3 unfilmed white phosphor with a spot on the edge, its a lower end tube overall. A filmed tube will be over 28 SNR and 64 lp minimum. Its just a white tube... At $3,300.00 for that blem unit I'd rather buy a full on L3 for $500 more with small or no blems, SNR in mid 30s, 72lp, etc. but that is just me. What are the halo and EBI? Under 1 is good, over 1 is not so good for an L3 filmless. It matters on specifics. If you get under 1 EBI and Halo, 32 or 33 SNR, 64lp the blem might be worth it, and at 72lp it would be a no brainer. |
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Posted: 8/31/2018 3:26:45 PM EDT
[#11]
Ahh, I thought it was a one unit deal with those exact specs (the bare minimum). L3 filmless from TNVC is usually the 2000 series tube military or a 20UM tube. They also can get a 2200 series tube or an Aviator tube, or just pick a good one from their order that is like a 22UA tube, Military having B zone blems and Aviator having C zone only or no blems at all. I got a 72lp 33snr .8 EBI and .7 halo from TNVC. Its not really comparable to the Omni IV to Omni VII green tubes I have used in the past. If what you get is equivalent, Id buy all day for just a dark spot on the edge and saved money, though I doubt there are many 72lp tubes at that price. The quality of image, ability to not flare in bright light, not have a large bloom on laser points, the ability to read license plates even with reflective light is a huge difference with my L3 WP tube. I know some people who may be calling about one at that price.
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Posted: 8/31/2018 3:41:15 PM EDT
[#12]
Mine showed up Thursday and I'm happy with it. 64lpmm, EBI 0.8, HALO 0.7, SNR 33.2. One large blem (0.009-0.012in) on the inner edge of zone 3. I was going to buy a thin filmed unit before I saw these.
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Posted: 10/9/2018 7:30:41 AM EDT
[#13]
My original tube died on me after 2 hours of use. N-Vision was great and replaced it quickly. The new tube has some nice specs: 33.8 SNR and 72 lpmm. The blem is small and on the outer edge of zone 2 and there is some slight shading on one side. It was definitely worth it and I would buy again if I needed a second one.
 Attached File Attached File Attached File |
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Posted: 10/9/2018 9:04:53 AM EDT
[#14]
Quote HistoryQuoted:
If you'd like a pic of the image through the unit, we can provide that. Just shoot a PM over. |
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Posted: 10/9/2018 9:11:03 AM EDT
[#15]
@mach
I posted my second unit above. Here is one from my first one which had an issue and N-Vision replaced.  Attached File |
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Posted: 10/9/2018 9:17:58 AM EDT
[#16]
Quote HistoryQuoted:
@mach I posted my second unit above. Here is one from my first one which had an issue and N-Vision replaced. https://www.AR15.Com/media/mediaFiles/167432/890B27A2-B328-459F-BF44-0FE7BDEDC82A-699175.JPG |
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Posted: 10/9/2018 9:34:45 AM EDT
[#17]
That is a large blem? That isn't bad at all. If you ever plan to bino this device, that would not be an optimal tube, but as a monocular, it probably works pretty darn great. I've had tubes with shading, and they never really bothered me as long as it was minimal.
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Posted: 10/9/2018 10:07:01 AM EDT
[#18]
Going to order one myself this AM. 33.9 SNR, 64 lp/mm resolution, .8 EBI, .7 Halo, 2485 PS. Hopefully mine doesn't die on me in a few weeks though.
Is that fairly normal?? |
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Posted: 10/9/2018 11:14:00 AM EDT
[#19]
no, it is not normal for a new tube to die, since they typically have a burn-in period to test against that.
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Posted: 10/9/2018 5:15:47 PM EDT
[#20]
Good to know, thanks! Just placed my order
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Posted: 10/9/2018 6:39:42 PM EDT
[#21]
Quote HistoryQuoted:
Good to know, thanks! Just placed my order |
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Posted: 10/9/2018 6:50:36 PM EDT
[#22]
I don't know what went wrong with my first tube. It worked great and had a very clean image except for the blem for a few hours. It started to develop a bright spot on the edge which slowly grew in size and intensity until it looked like and was about the size of a half moon. Then the tube went dark and the only thing you could see was the white spot when turned on.
Here is a pic of the white spot not long before it went dark:  Attached File |
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Posted: 10/10/2018 7:13:18 PM EDT
[#23]
Quote HistoryQuoted:
I don't know what went wrong with my first tube. It worked great and had a very clean image except for the blem for a few hours. It started to develop a bright spot on the edge which slowly grew in size and intensity until it looked like and was about the size of a half moon. Then the tube went dark and the only thing you could see was the white spot when turned on. Here is a pic of the white spot not long before it went dark: https://www.AR15.Com/media/mediaFiles/167432/221BCCAB-2184-4D10-8823-F69BB5E28639-699748.JPG Those are some great specs too BTW. |
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Posted: 10/10/2018 9:53:19 PM EDT
[#24]
That was a nasty emission point ! :( Would have been some aluminium flaked from the screen most likely.
Note the size of the halo.... That's a good indicator which side of the MCP the EP existed. |
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