Cable Releases – Demystified


A cable release is one of the most essential pieces of equipment to use for astrophotography. There are several types of devices which you can use. These devices include Cable Release, Intervalometer, wireless triggers and homemade solutions. This article will focus on some of the types of cable releases.

Why is it important?

You would use the remote camera trigger to trigger your shutter without you touching the camera (avoiding camera shake), and to control the exposure time (ranging from a couple of seconds to a couple of hours). All these solutions allow you to remotely trigger the camera’s shutter in BULB mode.

Types of Devices

Remote Release
Intervalometers allow you to set the duration, ISO, Shutter Speed and Aperture for the camera on the device
Wireless remote device to trigger the shutter. You can connect this via the camera’s Infrared or WIFI connection
Cable Release
App from PlayStore or Apple Store
Device which is connected to the camera via a wire to trigger the shutter
If you camera have WIFI then I would suggest trying different APP’s to trigger your camera


What do you do if you’ve forgotten it?

TIP: If you’ve forgotten your remote trigger or cable release then you can do one of three things:
1.       Put your finger on the shutter for one hour – ouch
2.       Take an elastic band and an eraser (rubber) and rig the eraser on top of the shutter button
3.   Take masking tape and a small round rock and rig it on top of the shutter button


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