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Posted: 6/22/2025 8:17:41 PM EDT
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Had it on a rifle, powered on, and went to hand it to someone to take a look. Clearly exposed the lens to the sun for a short period and now have an area of dead pixels and a really wonderful snail trail through the optics. Any one know if there’s any way to “blackbox” a thermal? Clearly there’s not much for protections on the system, it couldn’t have been more than a second or two. Downsides of chinese, cheap thermals clearly. |
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Originally Posted By zinny103090: Thats not indicative of a "cheap thermal", that's how you destory most thermals even high end ones, that burn is on the core and being displayed as the burn in on the OLED. This. Going to take a new core to fix it. Reach out to DNT. |
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Are you sure it's the thermal sensor and not the display? Thermal sensors are pretty resistant to sun damage since they are just a piece of silicon - it's not uncommon for them to look directly at the sun for a period of time, and even if you did manage to damage a piece of silicon, a trail isn't that likely. However the OLED displays? They are another matter altogether. If the sun gets from the large ocular lens and focuses on the OLED, it's going to cook it near instantly - They have huge warnings on large-lens displays like you get in Quest VR goggles to never let them be exposed to the sun - even for a moment - and lots of stories about how people just let the sun flick across the back of the goggles and it causes instant damage to the screen. Do you have a menu mode where you can put something like text over the damaged spot to see if it's caused by the sensor or by the screen? OLEDs can be damaged by sunlight when exposed directly even without a lens present. Add the ocular lens for perfect focus and the damage is going to be near-instant. A damaged screen is bad, but might be repairable. |
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So a quick update. I did leave it powered off in a cool room for close to a month. No idea if it actually helped, but the snail trail has been dramatically reduced to a slight ghosting that frankly if you weren’t looking for, wouldn’t know it was there. My comment about cheap thermals was simply as the flir breach i formerly owned had been exposed to the sun and fires with no real image degradation. |
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