Related Clues:

• Binoculars part
• Grand Canyon part
• An eye for 24-Down?
• Outer margin
• Contact ___
• Look through here
• Edge one into a little room
• See 60 Down
• Eyeglasses glass
• The 'L' of S.L.R
• Not quite make the putt, with 'out'
• See-through object
• Wheel's edge
• Volcanic edge
• Hubble component