Related Clues:

• Bifocal, e.g.
• Telescope part
• Computer's core, briefly
• Part of S.L.R.
• A Brownie is one
• Apple core, for short
• Snappy item?
• PC 'brain'
• Refraction producer
• Cinematographer's concern
• Telescope piece
• Modern courtroom sight
• Microscope part
• Contact, e.g.
• Eyeglass parts