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Seagull SYK-4 Optical Slave Trigger with PC Sync Socket
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- This optical slave sensor is used to trigger flash unit without slave sensor
- Can be also used as PC connector to standard hot shoe adapter
- Work with most flash guns in auto mode or manual mode (TTL mode is not supported)
- Not compatible with Minolta or Sony flashes as they use different hot shoe connection
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Seagull SYK-4 optical slave trigger with built-in tripod socket is designed to work with portable flash units that have standard hot shoe mount. It can be triggered either by slave sensor or by using PC connector. It also can be mounted either on hot shoe or standard 1/4"- 20 thread tripod screw. This trigger can also be used as a PC to hot shoe adapter by mounting the trigger on a non-hot shoe camera.
From the Manufacturer
This CowboyStudio Seagull SYK-4 Optical Slave Trigger with PC Sync Socket would be a great addition to your studio. It is ideal to turn your off-camera flash into an optical sensor. Our flash adapter is compact and sturdy with a standard hot shoe seat on the top and a standard 1/4"- 20 thread screw socket for tripod on the bottom.
This Flash Remote Controller is an optical trigger allowing you to remotely fire your flash without attaching it with wires. Since the slave trigger gets its working power from the flash it is attached to, it is battery free. The Slave Trigger features a sleek body style that is high in flexibility and stable in performance.
- PC sync port at the side
- Tripod mount at the bottom
- Fits most of the camera hot shoe except Konica Minolta and Sony Alpha A700/A100
- Effective Distance = guide number of master flash- 2
Top customer reviews
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The second unit worked with hot shoe. The hot shoe mount is really loose. I would not recommend using it with heavy flash. I tried to use my old Sunpak 120J via PC cable, it didn't work. I tried with another flash and still didn't work. Obviously, the PC sync connection does not work on this unit. I also returned the second unit.
In a studio environment, manual mode is used with a constant shutter speed, typically something slower than 1/200th, and aperture is adjusted for incident flash light. For portraiture, key and fill lights are typically at something like 45° off the shooting angle so red-eye isn't an issue and there is no need for the preflash intended to constrict the subject's pupils to reduce the red light reflected back through it before the main flash fires and the shutter opens. If the on-camera flash is being used to trigger an off camera flash, a piece of white paper over it will diffuse the light or a piece of cardboard will direct it upward, avoiding the need for red-eye reduction preflash.
Personally I don't see these complaints as legitimate criticisms of this device. At the price it is quite useful especially in cases where the built-in flash eye on a strobe or speed flash is shielded from seeing the trigger flash.
Some have complained about the sensitivity of this slave which concerned me but what I did was face the slave away 180 deg. angle and about 3 ft away from the triggering flash which was pointed at about a 45 deg. toward a wall, which is off white, from about 3 ft and firing the flash at full power it was able to trip the slave. Once I reduced the triggering flash to 1/4 power it wouldn't trip it. This means the light from the flash had to travel 3 ft to the first wall, about 12 feet to the opposite wall and back to the slave another 6 ft to trip it. So I was very impressed with the sensitivity. Others, obviously, have had problems and I won't argue the point that buying one these triggers is always a throw of the dice. But Seagull has been around quite awhile with some decent products, low end, but generally work well.
I have several older flash units I wanted to use with my digital camera. I've found online that some older flashes have too high of voltages through them which will fry digitals, so tried this.
It worked with some flashes, but not others. My Nikon SB-15 worked fine with it. My Canon flash did not work with it, nor the Vivitars.
So I think that it may have to do with the flash unit, as well as this accessory.