Butterfly

by Rodrigo

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1

No. It will not work as a master off-camera. None of the Canon flashes can be used simultaneously as a slave and a master. The 90EX is only a master unit if used on the hotshoe, or tethered off-camera with a TTL cable. If used on manual-only radio triggers, there's no way for it to sense it should perform master communication. And TTL radio triggers act ...


1

Yes, using a 90EX as a master unit to trigger the 430EX II is exactly a use case that it was designed for. Keep in mind that this is an optical connection and it's not all that reliable or far reaching. For much more detail and additional non-optical options take a look at this previous question: How can I fire a single canon 430ex flash remotely from a ...


0

The iSyncFlash app is supposed to do this, by syncing the iPhone's camera to the flash, rather than the other way around (although the current reviews of the app indicates it doesn't work much on phones newer than a 4s). And you may be able to accomplish this with TriggerTrap Mobile, two Android/iOS devices, and a flash adapter; TriggerTrap Mobile uses the ...


0

Well, obviously, the simplest (but most expensive) path would be to get Profoto Air Syncs and hook them up as receivers to your 600EX-RTs, but that's a lot of expense to have manual-only triggers for your 600EX-RTs. However, your best bet is to sandwich a Yongnuo YN-622C (TTL radio trigger with a full TTL passthrough hotshoe) between the camera and the ...


0

The only thing that I can think of that would work (with manual control of the 600EXs power levels) would be the Cactus V6 trigger system. (Gadget Infinity is the retail arm of the company that makes it, in case you're wondering where the link is going.) Anything you can use to get a "dumb" trigger signal to the transmitting V6 unit will do, which would ...


3

Your camera doesn't have to "know" that the flash should fire when you're using a "dumb" (no TTL) flash; the hot shoe's centre-pin firing circuit is closed (turned on) when the shutter is open regardless of whether a flash is attached or not. All of the more complicated communications that happen for iTTL or manual CLS control happens through the other pins, ...


3

Gear-wise, the list is pretty simple. You need a flash and a way to trigger it remotely and a way to control the power output of the flash. This typically means a flash with manual power control and cheap radio triggers of some kind. This will then be followed by a need to position the flash where/how you want it and some type of diffuser, which leads to a ...


3

What to look for? It really doesn't matter, as long as it has a manual mode. I'd get 2-3 Yongnuo flash units and some decent accessories such as transmitters, triggers, stands, reflectors, umbrellas, etc. as well for that budget. But if you can find just about any manual flash a friend or family member has lying around; it can certainly keep you busy ...


4

I think this is pretty well covered on the second page of Strobist 101: here's what your flash absolutely has to have: The ability to work in manual mode, and to do so at different power settings. (I.e., full power, ½ power, ¼ power, etc.) [...] If your flash has that, skip buying another flash for right now until you have a chance to play with the gear ...



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