Photography Camera, Lenses, and Gear Questions and Answers Flashcards
6 cards from real Photography practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Photography Camera, Lenses, and Gear Questions and Answers flashcards as text
What does the 'L' designation on Canon lenses signify?
Answer: Luxury series with professional-grade optics
Canon's L-series lenses are their premium professional line, featuring superior optics, build quality, and weather sealing.
Which autofocus motor type is generally the fastest and quietest in modern lenses?
Answer: Ultrasonic or silent wave motor
Ultrasonic motors (USM for Canon, SWM for Nikon) use high-frequency vibrations for fast, near-silent autofocus performance.
What is the function of a camera's mirror lock-up feature?
Answer: To reduce vibration caused by mirror movement during exposure
Mirror lock-up flips the mirror out of the way before the exposure, eliminating the slight vibration that mirror slap can cause during long exposures.
What does a higher Abbe number indicate about a lens element?
Answer: Lower chromatic aberration
A higher Abbe number means the glass has lower dispersion, which results in less chromatic aberration and sharper color reproduction.
Which memory card type offers the fastest sustained write speeds for professional video recording?
Answer: CFexpress Type B
CFexpress Type B cards use the PCIe interface and can achieve sustained write speeds exceeding 1,400 MB/s, far surpassing other consumer card formats.
What is 'focus breathing' in a camera lens?
Answer: A change in focal length as the lens focuses from near to far
Focus breathing occurs when a lens slightly changes its effective focal length as it racks focus, causing the framing to shift.