Which type of exposure timer is capable of shorter exposure times (1 msec or less)?

Name: Which type of exposure timer is capable of shorter exposure times (1 msec or less)?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Electronic timers are capable of shorter accuracy and precision, which results in exposure times as short as 1 msec or less. Synchronous timers rely on the power supply frequency and manual timers require human reaction time, while backup timers are used as a failsafe mechanism.

Which Type of Exposure Timer Is Capable of Shorter Exposure