Phottix Odin TTL Flash Trigger Review

Phottix Odin
Radio slaves often seem like an esoteric accessory for pros in the studio or at sporting events, but the introduction ofTTL-compatible slaves at consumer prices changes all that. Like the PocketWizard MiniTT1/FlexTT5 systems I tested recently (insert link), the Phottix Odin offers full TTL and flash feature compatibility for Canon users. Unlike the PocketWizard system, it is only Canon users that can currently benefit from the Phottix Odin as the Nikon version has not yet been released.

The Phottix Odin does what you want it to do – with a combination of transmitter on the camera, and at least one flash attached to a receiver, full TTL flash is available. Because it uses radio signals, it is not subject to line of sight restrictions and the issue of multiple photographers like light-based systems offered by Canon. For outdoor shooting, or shooting indoors with obstructing walls or furniture, the radio system makes TTL control simple.

And when it comes to simple, the Phottix Odin makes it very simple. The key to everything simple is the screen on the back of the transmitter. This lets you set key flash parameters without using the flash’s own menu, the camera menu, or a computer to program the parameters. For example, flash exposure compensation for each flash can be set from the transmitter very simply using the screen and the buttons below the screen. If you would prefer to use ratios to control flash output, that can also be done the same way. Even high speed and second curtain sync can be set right there, for all flashes.

Where this becomes really valuable is when using a flash without on-flash settings. For example, I used a Canon 270EX as my second flash. Because this flash lacks a screen and settings capabilities, it has to be set from the camera in normal usage. With other dedicated radio slave systems, this requires setting something like high speed sync with the flash on the camera, taking it off the camera, and putting it on the receiver. With the Phottix Odin, this is all accomplished directly from the transmitter. Exposure compensation is similar.

Best of all, the Phottix Odin is priced attractively. At the usual reliable online retailers, the price for a set comprising transmitter and two receivers is about the same as most systems with one receiver.

Groups and Channels

Groups do what they should do – they allow giving receivers different settings, for example, with exposure compensation or ratio setting. Three groups are provided, which should be fine for almost any situation; groups are set with a slide switch on each receiver. Channels help when multiple photographers are working in the same area. Phottix receivers support four channels, settable with a slide switch on the opposite side from the groups settings. Phottix provides a maximum of four channels, which should be enough for most non-professional users. A pro may require a lot more channels to work in an environment crowded with photographers, preventing setting off another photographer’s equipment. This isn’t the only feature that will affect pros – the absence of remote camera control is also going to cut back on pro usage, especially sports photographers.


So let’s take a look at using the Phottix Odin. It’s a snap. First, you put in the batteries. This is another area where Phottix has done something smart – all batteries are AA. The last radio slave test I did required a button battery, which is just one more thing to carry around. Since Canon’s flash units all run with AA batteries, carrying around a supply of them will meet all the flash equipment needs. The only cost of this is a slightly larger receiver. The transmitter size is already dictated by the screen, and probably by its internal antenna, so the batteries don’t affect the size.

The transmitter goes in the flash shoe. Unlike some other radio slave units, there is no hot shoe on the transmitter due to the screen. Minor, but worth knowing about. It has a wheel to lock it in place. Receivers have a hot shoe and tripod socket on the bottom, and a hot shoe on top. Mount each receiver on a stand or tripod, mount the flash on each receiver. Then turn on transmitter and each receiver, and you’re ready to go. Like other slaves, the first shot is a test shot. for more klik here

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