4 ms·
I think at such shallow angles it's the plastic surface that becomes reflective, not the metal layer with the pits and grooves. Hence the lack of diffraction (a
by simias 6y ago
I think at such shallow angles it's the plastic surface that becomes reflective, not the metal layer with the pits and grooves. Hence the lack of diffraction (and hence why it works with my black PSX disc).
- kevin_thibedeau 6y agoShe's using a CD-RW with blue/purple dye. The reflection is definitely coming off the surface.