This Berlebach NIX II Ash Observer's Chair is not only comfortable and easy to adjust for your observing needs, but it is also beautiful! The NIX II Ash Observer's Chair by Berlebach will be a fine accessory for your astronomical equipment which you will use all the time. Easy to fold and transport and easy to set up at your next site. The cushioned seat has a nearly infinite adjustment and when the seat is set into place, it will remain secure where you want it to be located.