Related Clues:

• Central point
• Certain camera, initially
• Camera type, for short
• Kind of camera: Abbr.
• Target
• Prepare to shoot
• Bull's-eye
• Zero in (on)
• Certain camera, for short
• Photog's purchase, perhaps
• Concentrate
• Camera type, briefly
• Attention
• Zero in on
• Problem-solving advice appropriate for this puzzle?