Svbony Astronomy Eyepieces 1.25inch 66 Degree 6/9/15/20 mm

This review is for the gold rimmed 20mm eyepieces. I've been looking through telescopes for a very long time and this eyepiece gives you a lot of bang for the buck! I bought two to use in my large binoculars and they have not disappointment me at all. The eye relief is very nice and I wear glasses. They are bright and clear and easy to look through. I did not measure the FOV, but it is wide and comfortable. I had originally tried the 9mm red rimmed ones, but the eye relief was not good for me so I returned them. I think the Gold rimmed ones are the way to go! The Gold rimmed ones seated perfectly and securely in my binoculars with no wobble whatsoever. I am 100% confident they will stay locked in the eyepiece holders of my binos which are APM 70-90's. They work great. I rated these with five stars because overall they are worth this rating. The only reason of concern would be that there is a small bit of aberration at the very edges. This is really negligible, but worth noting if you are looking for edge to edge perfection. You won't regret your purchase if you go with the Gold rimmed ones! i am very happy and plan to buy the 15mm ones next.