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Cactus Wireless Flash Trigger V4

3.5 out of 5 stars 11 customer reviews
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  • Wireless Flash Triggering
  • 16 Channel
  • Responding time: 1/500 - 1/1000 second
  • Working radio frequency: 433Mz
  • Maximum effective area: 30 meters / 98 feet (open area without interference) Operating temperature: above -10¦C (14¦F) and below 45¦C (113¦F)
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Product Description

This new flash trigger system is a significant upgrade from all current and previous Cactus wireless flash trigger versions. The new version gives photographers even greater creative control over lighting in their images. With the new Cactus Wireless Flash Trigger System V4, you can place multiple flashes at various angles and distances from your subject. Each receiver works with one flash. You can use as many receivers as you wish, all receiving their signal from one transmitter. Simply attach the hot shoe of the external flash to that of the receiver, or use the flash connection cable. Most importantly, without the need to connect the flash to your camera by hot shoe or cable, you can move the flash to anywhere that produces the best lighting on your subject. With the flexibility the new Cactus V4 triggers provide, the possibilities are endless! The innovative standing design allows all the common portable flash units to sit securely on it without a separate light stand. When shutter is released, the receiver picks up on the signal emitted from the transmitter on your camera and will trigger the external flash connected to it. The fastest response time is 1/1000s (actual sync speed varies from 1/125s to 1/600s depending on the sync speed limit of the camera system). The Cactus V4 offers many improved features over the V2 version. These improvements include a new antenna design that increases the reliability and effective distance to 30 meters (about 100 feet) and a new power source: AAA batteries. The 16 selectable channels and advanced anti-interference feature will allow the device to work within the effective area without interference from other devices. This new Cactus version offers a high degree of compatibility. With the provided connection cables, photographers can use the receiver with a range of lighting sources including low trigger voltage portable flashes, high trigger voltage portable flashes and studio strobes.

Product Information

Product Dimensions 7.2 x 4.1 x 1.7 inches
Item Weight 1 pounds
Shipping Weight 1 pounds
ASIN B005D91G74
Item model number Cactus V4
Customer Reviews
3.5 out of 5 stars 11 customer reviews

3.5 out of 5 stars
Best Sellers Rank #243 in Camera & Photo > Camera & Photo Accessories > Flash Accessories > Sync & PC Cords
Date first available at Amazon.com July 18, 2011

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Customer Reviews

Top Customer Reviews

Verified Purchase
Nobody specified that Only The Receiver is included in this deal. Was really excited to test it out, and to my surprise its only the receiver, Now i have to order the Trigger :(

Change the Title from Trigger to (receiver only)
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Verified Purchase
I purchased the Cactus system a few weeks ago. I was very excited to get the system set up with my Vivitar 383. I got it all set up and it would not fire consistently. I made sure it was on the hot shoe tightly and it did not fire, I put it on loosely and it would not fire. I talk to a friend who said replace the batteries. So I did and it started to flash better. But what I have learned is that the receiver should always be to the left of the transmitter and that you should be at least two feet from it. It does not like to fire when you are right on it. It also does not like to fire for the first time it is on. I find that I have to hit the test button on the flash to get it going. I have also tried to turn on the flash and then slide it on the receiver instead of turning it on once it is on the receiver. There are a lot of inconstancy with this system. I am using a Nikon D40X. I will say though in Cactus defense that when I have the transmitter in my hand and not on the camera and I hit the test button on the transmitter it fires every time consistently. It really seems to be when I put the transmitter on my cameras hot shoe when I have the problems. This is a great price I just need to learn how to use it with its inconsistencies.
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I've been using my Cactus V4's for more than 3 years now. They've worked wonderfully for me with my Nikon Speedlights and Alienbees. Let's get one thing straight; these don't compare in quality, reliability or range to Pocket Wizards. That said, they also don't cost nearly $200 a piece. I've found them reliable enough for me. Occasionally, I'll have one that doesn't fire, but it's rare, and has never been much of an issue. I get about 100 yards of range when batteries are fresh, which is more than enough for almost everything I've shot. I use rechargeable AA's in the receivers, and have changed the A23 battery in the receiver once. (Remove the small Phillips screw on the bottom to remove the top cover. A23 batteries are very common - used in garage door remotes.) In conclusion, if you are looking for an inexpensive radio trigger (without i-TTL/e-TTL support), you can't go wrong with these. (Also check out the newer V5's: Cactus V5 Radio Slave Set)
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I've been using these triggers for about a year now. They fire consistently for me as long as they are perfectly seated and the batteries aren't too weak. I only really have problems with misfires if the batteries are old. One thing to watch for is the test button being pressed in your gear bag and running the battery down. I always keep a spare battery with me just in case.
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These things are way too finicky. As the previous reviewer stated there seems to be a huge learning curve to figure under which conditions they will or will not fire. And beware, even if you find that sweet spot where they will fire consistently, as soon as you place the transmitter back on the camera and bring the camera to your face it changes the equation enough to send you back to square one. Very frustrating. I should have only given the Cactus triggers V.4 a 1 star rating but they are cheap so I got what I paid for and they do sometimes work and if you find the optimal positional geometry they do work with consistency. If you're the patient type and don't mind a lot of misfires (failure to fire) then you may enjoy coaxing the radio triggering gremlins to work for you 'coz eventually they will but don't count on it when you really expect them to.
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Verified Purchase
This product is exactly what I thought it would be: a cheap entry into the world of off-camera lighting. The system works well enough for my hobby projects, but you definitely won't want to rely on these for any type of pro shoot. They randomly fire sometimes by themselves, but usually fire when they're supposed to too. Kinda unpredictable. But, like I said, they're great if you want to test the waters and nott spend a bunch of money initially. I feel like I got a good value for the money I spent.
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