Related Clues:
- Device to converge or diverge light
- Piece of glass, usually curved
- Viewing lens of optical instrument
- Part of the inner eye, or camera
- Part of eye
- Optical element
- Contact, e.g
- Bifocal ___ (Benjamin Franklin invention)
- Fisheye, e.g
- Look at coin with lens
- Item in many peepholes
- Telephoto or zoom
- Device produced by Carl Zeiss
- Monocle, essentially
- Headlight component