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Forum: Pentax K-3 & K-3 II
12-12-2013, 01:02 AM
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This is cool, but given that it is possible, why is it not being used by camera manufacturers?
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Forum: Pentax K-3 & K-3 II
12-11-2013, 10:09 PM
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So it seems that the on-board flash is firing to trigger the others. The fact that this causes a problem suggests that another form of communication would be better.
How well does TTL work with a slave unit? Is there a solution that allows TTL to work on slaves without requiring visible light to be emitted from the body? My limited experience says pure IR would work.
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Forum: Pentax K-3 & K-3 II
12-11-2013, 08:49 PM
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Got the smaller of Pentax's new water-sealed flash guns today. I'm pretty impressed so far. Built well. Battery door is solid. Swivel head. And the few shots I took looked well controlled. And I was pleasantly surprised to discover that it can be an off-camera slave without needing to mount anything in the K3 hot-shoe. That's cool! I have yet to test it's TTL abilities when off camera. I guess I'm assuming it is TTL in slave mode--seems like info would need to be transmitted incredibly fast between flash and body for that to work.
But in any case, I'm troubled by the fact that in order to use the AF360FGZII as a slave, the little flash on the K3 body must be up and act as a master.
Why would Pentax do that? If the body can drive a slave, then it presumably takes extra work to limit that ability to times when the body's flash is on. And it creates a problem. If I'm shooting macro, or something, and I have my off camera flash in a good spot, the on camera flash could well cause a bad and unnecessary shadow.
Am I missing something? Can I turn the on-camera flash off and use the off camera flash as a wireless master, or a slave to the body itself?
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