Related Clues:

• Camera lens setting
• Wee-hours flight
• It may be right, but not left
• Aptly named flight
• Trig topic
• Lack of protection
• Right ___
• Trig measure
• It may be acute or obtuse
• Openness
• Fish with hook and line
• Ulterior motive
• Film image
• Protractor measurement
• Long-distance overnight flight