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Cactus Wireless Shutter Release for Sony Alpha / Minolta DSLR
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Cactus Wireless Shutter Release for Sony Alpha / Minolta DSLR

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With the wireless shutter release, you can control the shutter of your camera from as far as 15 meters away.

The package comes with a handheld wireless transmitter and a wireless receiver to be plugged into the the shutter release port of the camera.

Different from the infrared remote control, the radio-triggered wireless shutter release can work as half-pressed button. In other words, you may let the camera auto-foucs before finally taking a shot. 

Another improvement over the infrared remote would be the support of the bulb mode. You can obtain an exposure for as long as you wish.

This wireless shutter release has strong anti-interference function and has 16 channels for you to choose. It is extremely useful if there are several photographers working nearby. Each photographer could choose their own channel to trigger off the shutter release of the camera they are going to use without triggering others because of overlapping signals.

This unit can be triggered continuously for 20,000 times. The energy-saving design allows you to use the unit for a year without having to change the battery inside.

CACTUS, a registered trademark by Harvest One Limited, strives to develop radio frequency (RF) solutions to professional photographers at affordable price. We recognize how important it is to select the highest potential products that enhance your DSLR cameras. We have our own engineers to lead the research team for promising development projects. Our wireless flash trigger and wireless shutter release has always been a hot pick by photographers and strobists.


  • Wireless shutter release;
  • Brand: Cactus
  • 16 channels selectable;
  • Compatible models:
    • Sony Alpha DSLR-A900, DSLR-A850, DSLR-A700, DSLR-A580, DSLR-A560, DSLR-A550, DSLR-A350, DSLR-A320,DSLR-A300, DSLR-A200, DSLR-A100, SLT-A58, SLT-57, SLT-A55, SLT-37, SLT-A35, SLT-A33;
    • Konica Minolta DSLR Maxxum / Dynax / Alpha 7D, 5D; Dimage A2, A1, 7Hi, 7i, 7, 5; Film cameras SLR 9, 7, 4, 9xi, 7xi, 5xi, 800si, 700si, 600si, 500si, XTSi, HTSi Plus, STS;
  • Power Input of Transmitter: L1028 12V 23A small battery (included for testing purpose only);
  • Power Input of Receiver: CR2 3V Alkaline battery (included for testing purpose only);
  • Tested maximum effective area: 15m (open area without interference);
  • Radio working frequency: 433MHz;
  • Net Weight: 24g (transmitter) and 24g (trigger).

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We’re Closing!

Gadget Infinity started almost a decade ago, sourcing the best price-performance photographic and two-way radio gear for fellow photography enthusiasts. It has been a wonderful journey sharing the many location portrait techniques with you on our YouTube channel. Over the years our passion in flash photography grew so much that we ventured into creating our own wireless flash triggering system – Cactus.

Starting next month, we will be putting all of our time and effort into product development at Cactus so we will be closing our operation at Gadget Infinity on August 30, 2016. Rest assured, the 30-day return policy still applies on your orders made on or before the date of our store closure. If you have any questions or concerns, please contact us at service@gadgetinfinity.com.

It will be a good bye but not a sad one as we will still stick around. Come visit us at

Thank you again for your support over the years and best wishes!

From everyone at Gadget Infinity.

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