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Times are a changin'. A few years ago I bought a ZWO EAF (auto focuser). At that time they were powered at 12v. I just looked and discovered the 12v model is discontinued. However there is more to the story, When I purchased my EAF my Mount (CGEM) the ASIAir Pro and EAF were powered with 12v, the only powered hub I could source locally was 5v. As you guessed I swapped a bunch of stuff out and plugged the powered hub into the wrong plug. Magic smoke (well not that much) was let loose...... I ordered a new powered hub ( I use this as not to induce electronic noise into my images by overloading USB power to gear) that was 12v.
Now for no other reason (that I can imagine) but for the sake of change they only sell a 5v version. It has always frustrated me that one manufacturer uses different voltages. I guess they don't subscribe to the KISS principle!
Now for no other reason (that I can imagine) but for the sake of change they only sell a 5v version. It has always frustrated me that one manufacturer uses different voltages. I guess they don't subscribe to the KISS principle!