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Thanks for taking a look. I couldn’t find any either. I bought it as part of a bulk parts pack from bgmicro and there’s no datasheet seemingly anywhere.

I’m just gonna order a pack of 4N25’s from China on eBay. I ordered the solenoids on there so I’ll be waiting a month or so for parts anyways.

Thanks again – looking forward to playing with this as a new facet of photography.