Search query: cheap astrophotography camera

Product: ZWO ASI120MM-MINI 1.2 MP CMOS Monochrome Astronomy Camera with USB 2.0# ASI120MM-MINI ZWO’s ASI120MM-Mini 1.2-megapixel monochrome astronomy camera is perfect for planetary imaging or for autoguiding during long-exposure astrophotography. It incorporates a 1/3” CMOS sensor with 1280x960 resolution and 3.75-micron pixels. The ASI120MM-Mini offers peak QE of 75% and low read noise to give an excellent level of performance despite its compact size. The camera also includes an AR-coated window to maximize light transmission and protect the sensor. The camera weighs just 2.1oz and slips into a 1.25” focuser. It uses a small Type-C USB2.0 interface, the same type of connector used by many cell phones, and its ST4 port enables direct connection to the autoguiding port on a telescope mount. Compact and highly sensitive 1.2-megapixel monochrome camera with 1/3” CMOS 1280x960 sensor perfect for autoguiding or planetary imaging
Small 3.75-micron pixels, high peak QE of 75% and low read noise allows tight tracking of faint guide stars
USB2.0 Type-C interface and ST4 port to connect directly to the autoguider port of a telescope mount
Compact form factor with a diameter of 36mm lets you slip the camera into a 1.25” focuser; weighs just 60g (2.1oz); AR-coated protective window to maximize transmission and protect the sensor; includes M28.5X0.6 female thread for astronomy filters
Software and drivers available from manufacturer's website ZWO