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4 Days Ago   #1
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Join Date: Mar 2023
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ring flash for Pentax 645 nii

really trying to get my hands on a af160fc but if can't do so soon I need to find something else that will work TTL with the 645 nii

does anyone know a 3rd party unit that would work?

Does the sigma em-140 work with this body? TTL?

4 Days Ago   #2
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Join Date: Nov 2018
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There is the Vivitar 6000AF available secondhand which is TTL only. It comes in different flavours so make sure you are looking at the Pentax version before buying.
4 Days Ago   #3
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Other options include daisy-chaining multiple AF-500FTZs to provide a quasi-distributed light source, and trying the "round flash," a type of ring flash soft light. For the latter, the MF lenses are kinda tight in the unit, but can be managed. amazon.com : RoundFlash Universal Collapsible Magnetic Ring Flash Diffuser 45cm for Macro & Portrait Shooting ?tag=pentaxforums-20& : Electronics
3 Days Ago   #4
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I've used a Sunpak Auto DX-8R with a Pentax TTL module, in Pentax TTL mode on my 645n, works great. It has a 2.7V trigger voltage, so safe to use on digital cameras as well. I've used in on my K-70, though there I have to use it on manual or in auto mode (it has a built in light sensor).

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