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difference xd-4 xr-5 and gen4

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Topic review
   

Expand view Topic review: difference xd-4 xr-5 and gen4

Post by Aurelius on Mon Mar 24, 2008 6:08 pm

Sorry, but I must disappoint you.

XD-4, XR-5 tubes or even Gen.4 filmless tubes are NEVER meant to be used during daylight conditions.

Any kind of nightvision image intensifier tube will take damage, if it is used under daylight conditions.

And trust me, I know exactly what I am talking about.

And in low-light conditions a good Gen.3 tube will be always up to 40% better in its resolution than a XR-5.

Actually the new Gen.4 will top the Gen.3 U.S. under low-light conditions at least at around 20%

Post by opticsplanet.com on Mon Jul 09, 2007 11:46 am

Hi

XR5 and XD4 are special Gen 2 tubes which will approach a gen 3 or gen 4 in performance in terms of resolution and image quality. An XR5, like a Gen 4, can be used by day. They are also priced similarly.

difference xd-4 xr-5 and gen4

Post by Guest on Mon Jul 09, 2007 1:34 am

What is the difference between this technology ?
whichone is better ?

P.

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