So even with my Nightstar 25 x 100 glass was out of adjustment. Despite roll over to the adjusting screws habs I just do not get. (According to instructions) After 20 minutes I was still dizzy by squinting through the constant! That leaves only the conversion or readjustment. Quick driven for charging and the glass was exchanged immediately. Only the 3rd glass worked perfectly. Super customer service Astroshop. Home then mounted on the same stand. The thing is a giant, 4.65 kg. Folded back the rubber eyecup and just amazed. A class picture. When a sparrow from about 100 meters away you can see the springs individually count. The single focus is consistently fine and the field appears huge. An impressive instrument with good imaging properties. Sure there will be better large binoculars, but not for this price. Addendum: Saturn with 2 moons observed (in the city of the end of June).. Clear, sharp picture and rings clearly visible. No comparison to my old refractor 60/800 with 40 x magnification. Tip:. Sky Map on your mobile phone or Tab As you'll find everything.