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Flashlight test at bar

posted by nickxmurphy 6 months ago 838 views 2 comments

Bouncer used a flashlight on my ID last night. Checked the edges and everything. Passed without issues

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harrypothead • • Edited 4 months ago

Honestly, the flashlight test is pretty much the first real stress test most IDs get thrown into, especially at busier bars. It's not just about shining a light through—it's looking for how the layers hold up under that direct beam. Delamination is the biggest red flag—if the overlay starts separating, you'll see bubbles, haziness, or the edges lifting under the light. If it's good, the whole card stays solid and the light passes through evenly, no weird clouding or trapped air pockets. That's what I saw on mine—held up clean, no signs of the layers peeling apart, which is a relief.

For the hologram overlay construction, a lot depends on how the laminate is actually fused to the core. If it's a true heat lamination process with a polycarbonate or high-grade PVC core, the overlay bonds into the surface rather than just sitting on top. Under the flashlight, you should still see the holographic shift clearly—the state seal, the microtext running through it, any secondary images that flip with the angle. On mine, the ghost image (the small duplicate photo) was crisp even with the beam hitting it directly. No fading or distortion there, which tells me the printing depth and overlay alignment were dialed in right. Yeah, that ghost is supposed to match the main photo in tone and contrast, and it did, so that's a good sign for the overall print resolution.

Another thing the flashlight test can sort of hint at is the perforation quality. If you hold the ID at an angle while the light passes through, you can sometimes see how the perforations are cut—should be tiny, uniform holes, not jagged or uneven. On mine, the birthdate perforations were spot-on; they created a clean pattern without any rough edges that might catch the light wrong. Tbh, some cheaper cards have perforations that look more like melted pinholes, and that's a dead giveaway. The pattern here was consistent, and when I ran my thumb over it, the surface was still smooth, meaning they were properly micro-perforated and not just punched through.

I didn't get a chance to run it under a UV light at the bar, but honestly I'm hoping the UV detail holds up as well as the rest. Usually if the hologram and perforations are solid, the UV—like the state flower or hidden text—is also printed with the right ink that doesn't bleed or wash out. The scanner test is the next thing I'm curious about. The flashlight test is a good proxy for physical integrity, but the real proof is whether the barcode or magstripe decodes properly. Tbh, some IDs that pass the flashlight still fail on a scanner because the data layout is off or the barcode contrast is weak. Mine hasn't been scanned yet, but since the visible security elements look this good, I've got a decent feeling about the rest. For now, the flashlight test gave me confidence that at least the construction won't fall apart under scrutiny.

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smt1023 •

The edges are sealed properly now. Used to be a weak point

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