Average Reviews:
(More customer reviews)I purchased these items since I thought the price was right, and I needed units like these. I felt that even if two of the receivers did not work I would still have two receivers for at least two light systems. (I live in Trinidad and Tobago, its not easy to return non-working stuff to the USA). When I tested the devices, I was pleasantly surprised. They all worked well and have been working well so far. I cannot vouch for consistent reliability, since reasonable use over time would be the only way to judge these items.They are of course, designed for manual operations so no real TTL here. I encountered one problem. One of the receivers would not work on the default frequency. However, having changed the frequency of all units, via the channel selector, they all responded adequately. I found that the units operated (actually synced) even with my camera (D80) in the TTL flash mode. They are worth the price. I hope that I can say this after 6 months or so of regular use.
Click Here to see more reviews about: Wireless Flash Trigger CT-04 & 4 Receivers For Nikon SpeedLite, Canon SpeedLite, Olympus, Pentax, Sigma, Sunpak, Vivitar & Other Flashes
Specifications:4 channels with hot shoe connector for external flashesTransmitter Power: 23A 12V battery (installed)Receiver Power: 2 AAA BatteriesMaximum Working Distance: 30m (open area, without interference)Operates on Frequency: 433MHzTriggering life: up to 20,000 timesCompatible with:Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EZ, 430EX, 430EX II, 420EX, 420EZ, 380EXNikon SpeedLite SB900, SB-800, SB-600, SB-28, SB-27, SB-26, SB-25, SB-24Olympus FL-50R, FL-50, FL-36R, FL-36Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FTSigma EF-530 DG Super, EF-500 DG Super, EF-430Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AF, 344D, 333DVivitar 285HV, DF-400MZ, DF-340MZ, 2700Other flash models with a trigger voltage of 12V or lower Transmitter:It can be mounted on the hot shoe of the camera or connected to the PC socket of the camera with the cord supplied. Using a PC socket connection (if your camera has one) allows simultaneous use of a hot shoe-mounted flash unit and off-camera flashes with this set. There's a test button on the top of the transmitter for test firing. The transmitter is powered by a small 12V alkaline battery. Receiver:It has a mounting bracket which fits into a traditional flash stand, with a ¼-20 threaded hole for mounting on a light stand or tripod. An adjusting knob allows the receiver to tilt on the bracket, with detents at straight up and 45 degree forward and backward positions (It can be tightened in any position +/- 90 degrees from vertical). There's a hot shoe for mounting a flash unit on the top of the receiver, and there's a small on/off switch and a small LED light on the front of the unit. The back of the receiver snaps off to reveal the battery compartment and two dip switches for channel selection. It is powered by 2 AAA batteries . 100% brand new. 1 year warranty.
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