Related Clues:

• Word with contact or zoom
• See 22-Down
• Bifocal, e.g.
• Telescope part
• Computer program, informally
• Kind of store
• Part of S.L.R.
• Refraction producer
• Cinematographer's concern
• P.C. program
• Telescope piece
• Software program, briefly
• Microscope part
• Contact, e.g.
• Eyeglass parts