Ricoh Imaging | Pentax CS-310 Cable Switch

The Pentax CS-310 cable release works with select Pentax DSLRs that lack a dedicated socket for connecting a cable release. 

The CS-310 connects to the camera's microphone port. It features a shutter release button with a half-press setting to activate AF/metering, and a HOLD button for long exposures in Bulb mode.

As of February 2016 only the Pentax K-70 and Pentax KP support the CS-310 cable release.

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