Related Clues:

• A collection of animals, millions, move quickly
• Move quickly; type of camera lens
• Fly from the Ark, for one mile
• Change focus smoothly
• It fastens nothing
• Change focal length
• Élan
• Letter director
• Type of photographic lens
• Quickly shift unruly kids, possibly by end of term
• Execute a motion on the fly?
• Where animals are held captive, months go very fast
• Quickly change focus
• Nothing, informally
• Device for fastening clothes