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Old 30-09-2022, 11:05 AM
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Peter Ward
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Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,123
Quote:
Originally Posted by pmrid View Post
I’m curious! Why are ccd sensors described as “1””? For example, the ASI533 MC is a 9MP SENSOR IN A 11.3 x 11.3 square array (3008x3008) with a diagonal of just under 16mm.

What makes it a 1inch sensor. That’s how ASI describes i. See their blurb at https://astronomy-imaging-camera.com...33mc-pro-color
I'd also point out the IMX533 is a CMOS sensor.

CCD's are rare and expensive birds these days.
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