QHY USB3.0 Active Extension - 10 m - 30029 type-equatorial-mounts-and-wedges DSLR photography (original): Good

DSLR photography (original): Good

Then set the reducer to the number that is calculated

About the Celestron 130 mm StarSense Explorer DX 130AZ Smartphone App-Enabled Newtonian Telescope

optical axis

QHY USB3.0 Active Extension - 10 m - 30029 type-equatorial-mounts-and-wedges DSLR photography (original): GoodQHY USB3. 0 USB Cable with Active Amplifier 10 meters According to the characteristics of USB3. 0, the maximum supported cable length of USB3. 0 is about 3 meters, or the transmission stability cannot be guaranteed above 3 meters. In order to ensure the image quality, the standard USB cable length of QHY is 1. 8 meters. If you really need a longer a USB cable, please choose this cable with an active amplifier, which needs an extra DC 5V power. This