Tragic. I know this isn't the point of your post, but does this work any better with an old fashioned headlight or flashlight with the little bulb in the center of a sort of bowl-shaped reflector, or are those still too diffuse?
this post was submitted on 13 Jul 2024
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I think you need a lens between the lamp and the bat for it to work
Probably too diffuse still, you would need a focal point in front of the bulb for it to cast a recognisable shadow I think? Because the reflective dish would be bouncing light at all angles around the stencil, including inside the intended shadow. You need something exclusively pointing light in a focused beam.
The flashlight on my phone seems to be a pretty decent for this kind of thing, so whatever led and design that's got going on could work.
Interesting that the phone worked. I think some LEDs do send directional light, why they need to put diffusers even on all the tiny pixels of a tv, or maybe I'm confusing things. I was thinking originally about parabolic reflector, but I don't know if any common consumer items have those.
Oh that could totally work actually with the parabolic reflector. I'm not sure about the leds, I think there might be a lense involved in the phone to direct the flash to a certain radius. It didn't reverse the image or anything so the focal point must be at the lense itself. Anyway, I'm sure with some messing around we could get such a batsignal torch.