6 ms·
It's probably just very expensive and doesn't survive cleaning them.
by bombolo 4y ago
It's probably just very expensive and doesn't survive cleaning them.
- Ekaros 4y agoGold is extremely ductile. As thus thin layers of it are pretty cheap. Not surviving is probably more reasonable reason.
- weberer 4y agoGold leaf is actually very cheap since its so thin. I can't imagine something like this costing more than a dollar in gold.
- lebubule 4y agoThe coating is just a few nanometers thin. Price wouldn't be the main issue there.
- blackbear_ 4y agoI can imagine the material used for lenses is also rather cheap, and yet somehow they end up costing undreds of euros each... I wonder why...