TO EXPLORE THE UNKNOWN UNIVERSE
NGC 6888 and bubble soap nebula
APOD 2023 Sep 04
Imaging Camera QHY268M
Integration 44 hours 30 min
Telescope: Askar FRA600
Mount: iOptron CEM40
Why do you need an Active Extension Cable?
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. Please contact QHYCCD or dealers if you need this accessory.