The
crystalsky does allow you to see much more than a phone or tablet. It won't be nearly as good as the 4k file that you see on your computer, but you will see much more than what you see on a phone. And yes you can see birds flying and things like that pretty easily. I started flying on an s7, didn't even know about the
crystalsky at the time, but I knew I needed something better than that. I was afraid to fly low because I knew I wouldn't see small objects that I might hit. I already had a tablet, the Samsung Tab A 10.1 and decided to try it, and it was okay. It was still hard to see in the sun. I bought a shade for it, but that made a marginal improvement. I then bought some
moverio bt-300 glasses, still wasnt wasnt what I was looking for. They were cool, but the picture wasnt that good on them either. It was better than my s7, but not enough to justify a 700 price tag. I then bought some
dji goggles and they provide an excellent picture. The only problem with those is that they are big and bulky and you can't see anything around you when you fly. They definitely become warm and humid and uncomfortable to wear on a hot day. I then decided to try out the
crystalsky ultra. It is pretty darn good. No matter how bright it is, you can see the screen very well. It does get warm on hot days, so there is that to deal with. I am no longer afraid to fly low at all. I have been having quite a bit of fun lately flying through trees and things like that, now that I have the confidence to do so. I recently bought an s9+ which has a very bright screen, one of the brightest on the market for a phone at around 1000 nits. Would I have bought the
crystalsky if I had this phone at the time? Probably. It's a tough call, but I think I would have ended up wanting something larger. If you want to know anything more in particular, just ask.