Folding telescopic spyglass 25x30 PIRATE is a Galileo spyglass with a diffusing lens as an eyepiece. Such an optical design gives an un-inverted (terrestrial) image.
This telescopic tube model is made in a brass case, the artificial leather coating (color - brown) not only provides a respectable appearance, but also allows you to comfortably hold the device in your hands.
The design is very easy to use and customize. It is necessary to extend the 4-knee body as far as possible and focus on the subject of observation (minimum focusing distance 15 m) by rotating the last section of the body located closer to the eye.