SV502 Astronomy Telescope PHD2 compatible The same image taken with

The same image taken with a Narrowband-Emission line filter will give you a perfect black background without any signal

ensuring reliable communication in large venues

making it easier to view and modify the ID

The walkie talkie supports a repeater that is compatible with digital DMR and analogue repeaters and extends the communication range

making it suitable for both portable and permanent telescope setups

SV502 Astronomy Telescope PHD2 compatible The same image taken withSvbony sv502 Astronomy Telescope is ideal gift for children, can help children to learn more astronomical knowledge. It is made of environmental friendly materials