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I got the first 224 that came out which had the ver1.1 sensor board. It had bad amp glow. ZWO did some amp glow reduction mod for it. This is on the ver1.3 board.
If you bought yours recently is probably 1.3.
If you see bad amp glow on one side of the image at highish gain and subs over 10sec you have the older one. You can check by opening up. The version is written on the sensor board.
If you don't see the amp glow don't worry about it. It's all on their website.
ZWO do a replacement for US $49 plus you pay postage to China. Its a nice little camera for EAA or planetary.
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