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Pentax CA-3 Remote Shutter Release for GR Series and Theta S Cameras

BH #PECA3 • MFR #30004
2 reviews
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Pentax CA-3 Remote Shutter Release for GR Series and Theta S Cameras
Key Features
  • On and Off Switch
  • Connects to Camera Via USB Cable
  • Powered by One AAA Battery
The CA-3 Remote Shutter Release for GR Series and Theta S Cameras from Ricoh works when connected to a compatible camera by way of the USB cable originally bundled with the camera. The shutter button is located at the top of the device, which enables the user to operate the camera shutter. The device can be turned on and off, and it is powered by a single AAA battery.
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Pentax CA-3 Overview

The CA-3 Remote Shutter Release for GR Series and Theta S Cameras from Ricoh works when connected to a compatible camera by way of the USB cable originally bundled with the camera. The shutter button is located at the top of the device, which enables the user to operate the camera shutter. The device can be turned on and off, and it is powered by a single AAA battery.

The half-press shutter function does not apply to the Ricoh Theta S camera.

Compatible Cameras
GR, GR-II, GR DIGITAL IV, GR 800SE, and Theta S
UPC: 027075295650

Pentax CA-3 Specs

Item Type
Wired
Interval Timer/Programmable
No
Mobile App Compatible
No
Control Modes/Options
Single Trigger Button Only
Power Source
Battery (1x 23AE)
Packaging Info
Package Weight
0.11 lb
Box Dimensions (LxWxH)
4 x 1.7 x 1.6"

Pentax CA-3 Reviews

Great portable accessory for better photos

By JR
Rated 5 out of 5
Date: 2017-07-17

Capture the moment you want instantly. Works flawlessly if you do a free update on the Theta's firmware (read the instructions online, any version since July 2016). The release is instant-on/instant off and small enough to attach to a monopod/selfie-stick for one-hand operation. A tripod/stick mount improves output from this device- hand-held photos are possible but contain a poorly spliced version of your hand at close range. Sure, in a pinch, you could connect to the Theta over wifi to trigger the shutter & change settings, but it's a super hassle that takes up to a minute and drains 5% of your phone's battery every time. No sensible professional photographer would interact with their camera 100% of the time over a wifi app. The remote shutter is much better for short-range connections (honestly- most of your photos with a 360-cam). Minor quibble: at $40, this should be bundled with at least one cheap micro-USB cable. Or bundled with a selfie-stick it could be removed from.

Does not work with the Ricoh Theta S

By Anonymous
Rated 2 out of 5
Date: 2017-01-11

I purchased this simply because it was listed as an available option when purchasing the Ricoh Theta S. It does not work with it whatsoever. Furthermore for anyone not familiar with the Theta, you have the option of either pressing the button to take a photo (or start video), or using the app on your phone. Using the app negates the need for a shutter release even if this product were to work. This shutter release does not work with the Theta S. I gave it 2 stars because I had to give it some star rating in order to post the review. Off the basis of its relatively cheap plastically feel I can say that even if it were to work it is an overpriced item compared to other shutter releases.

See any errors on this page?

question

Wil it work for theta V?
Asked by: sergio
No, the CA-3 remote switch is compatible with the Theta S and GR II cameras, but is not intended for use with the Theta V.
Answered by: Jacob C.
Date published: 2018-08-26

question

Can you lock the trigger bottom o you must hold it with the finger?
Asked by: Gaby C.
There isn't a trigger lock on this device.
Answered by: James B.
Date published: 2018-08-26

question

Can the Ricoh USB cable, supplied with the Ricoh Theta S, be extended with a standard USB extension cable to reach the Ricoh CA-3 remote shutter switch? I would like to hold the Theta S high overhead for some photos.
Asked by: Anonymous
It appears that the large Type-A USB male plug could be extended with a female-to-male Type-A USB extender allowing you to plug it into this remote and extend the cable provided.
Answered by: James B.
Date published: 2018-08-26

GR iii compatible?

GR iii compatible?
Asked by: Cirrus
Yes, this remote is compatible with the Ricoh GR III.
Answered by: Kirk R
Date published: 2019-10-09

Is it compatible with the Ricoh GR ii?and if ...

Is it compatible with the Ricoh GR ii?and if yes,would it be compatible with the wireless option of ricoh gr ii or only via the usb cable?
Asked by: Jiorjia
This remote can only be used with the included USB cable along with the Ricoh GR II.
Answered by: Kirk R
Date published: 2020-01-08

If you use a USB splitter could this remote fire ...

If you use a USB splitter could this remote fire two cameras at once?
Asked by: Ben
The Pentax CA-3 Remote Shutter Release for GR Series and Theta S Cameras has not been tested with a USB splitter, but it should fire two compatible cameras.
Answered by: Lawrence C
Date published: 2023-05-02

Will this work with the GR IV Monochrome camera?

Will this work with the GR IV Monochrome camera?
Asked by: R
The Pentax CA-3 Remote Shutter Release for GR Series and Theta S Cameras is not compatible with the Ricoh GR4 cameras. Instead, you can use a smartphone and the free GR World mobile app.
Answered by: Dan W
Date published: 2026-05-27

question

Can the Ricoh USB cable, supplied with the Ricoh Theta S, be extended with a standard USB extension cable to reach the Ricoh CA-3 remote shutter switch? I would like to hold the Theta S high overhead for some photos.
Asked by: William j.
Yes, I just tested and it works very well. Used a 2 ft long extension cable.
Answered by: Bjorn M.
Date published: 2024-01-24
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