Intervalometer

Photography

A remote timer that fires long exposures and sequences without shaking the camera.

Approx. cost
$15–$70
Weight
~2 oz
Used in
1 kit

Purpose

Trigger bulb exposures and time-lapses hands-free.

Used in kits

Alternatives

  • In-camera interval timerBuilt in on many bodies; a remote adds bulb control and no touch.

Maintenance notes

  • Carry a spare coin/AAA battery for it.

Buying considerations

  • Match the connector or wireless system to your camera.
  • Bulb-timer support is the feature astro shooters need.

Page history & editing

Revision status: approved Last edited 2026-07-01 by human editor