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Posted: 1/5/2012 5:08:56 AM EDT
Here are a few samples of what some cathodes may look like according to the cathode material, input window material and design. There are undoubtedly many others but these are the ones I have on hand to document. GEN III Glass Input 
GEN III Fiber Optic Input 
Gen II Concave Fiber Optic Input 
The appearance of a Gen II ESI cathode stands out and is fairly unique in it's appearance, mainly due to the concave shape of the fiber optic window, which is on the internal side of the window. This concave design tends to cause the cathode to look like the catseye nebula or helix nebula, see photo's below. 
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Posted: 1/5/2012 5:33:53 AM EDT
[#1]
Ok I'm a dummy at all of this NV stuff, so....... what would you ahve to do to protect the tube for removal if you wanted to getthe #s off the side?
just a clean area with bear hands and regular light? static free with gloves in dimmmly lit room? does (white)light only hurt the cathode when it is powered? |
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Posted: 1/5/2012 5:41:09 AM EDT
[#2]
Light won't hurt the cathode or tube so long as it's not powered up. Heat on the other hand will damage the cathode, regardless if it's powered on or not, so just don't take a magnifier to it while out in the sunlight. No need to use an anti static ground either.
A ultra fine grit sandpaper, polishing compound or the right solvent will sanitize the tube just fine. I like the ident numbers so it's never been needed on my end. |
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Posted: 1/5/2012 7:10:59 AM EDT
[#3]
Quoted: Light won't hurt the cathode or tube so long as it's not powered up. Heat on the other hand will damage the cathode, regardless if it's powered on or not, so just don't take a magnifier to it while out in the sunlight. No need to use an anti static ground either. A ultra fine grit sandpaper, polishing compound or the right solvent will sanitize the tube just fine. I like the ident numbers so it's never been needed on my end. LoL! I think he meant "Get the #s off" as in "Record them down so he knows what they are" and not "remove them". Anyway, just take the batteries out and disassemble. What is the model of scope you are taking apart? Regards David |
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Posted: 1/5/2012 9:23:24 AM EDT
[#4]
Nait G2P 3x Viewer ? (outside visual and able to see IR laser came to this conclusion; but no markings on the outside of teh body have me wondering)
looking to confirm what I have before I use it mounted to a weapon. I would hate to destroy a perfectly decent NV viewer And yes I just want a record not sanitize the scope 
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Posted: 1/5/2012 9:29:48 AM EDT
[#5]
Pretty remarkable "nebula" pics. The cats eye is one of my favorites and looks superb in my 11" Celestron Cad.
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Posted: 1/5/2012 12:23:07 PM EDT
[#6]
Quoted:
Quoted:
Light won't hurt the cathode or tube so long as it's not powered up. Heat on the other hand will damage the cathode, regardless if it's powered on or not, so just don't take a magnifier to it while out in the sunlight. No need to use an anti static ground either. A ultra fine grit sandpaper, polishing compound or the right solvent will sanitize the tube just fine. I like the ident numbers so it's never been needed on my end. LoL! I think he meant "Get the #s off" as in "Record them down so he knows what they are" and not "remove them". Anyway, just take the batteries out and disassemble. What is the model of scope you are taking apart? Regards
David LMAO. Monkey with a Dremel tool works too. 
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Posted: 1/5/2012 1:51:18 PM EDT
[#7]
Well there you go, I thought it was a bit of a strange request. My apologies RogueTrader for thinking you wanting to sanitize the tube when all you wanted was to record them. |
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Posted: 1/5/2012 4:14:47 PM EDT
[#8]
Quoted:
Well there you go, I thought it was a bit of a strange request. My apologies RogueTrader for thinking you wanting to sanitize the tube when all you wanted was to record them. It's cool. Not the first thing I thought when I said it but, I can see how it would come across
Anyone have pointers for taking this type of tube apart could you IM so this thread stays on topic? |
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Posted: 1/5/2012 8:34:55 PM EDT
[#9]
Quoted: Quoted: Well there you go, I thought it was a bit of a strange request. My apologies RogueTrader for thinking you wanting to sanitize the tube when all you wanted was to record them. It's cool. Not the first thing I thought when I said it but, I can see how it would come across Anyone have pointers for taking this type of tube apart could you IM so this thread stays on topic? Do you want to take the tube apart or just ID it properly? I take it it's in an AN/PVS-4? I'll send you the manual in a PM. Regards David
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