What's the best pair of binoculars or monocular that I can get within 1k?

[Chetan1991]

What's the best pair of binoculars or monocular that I can get within 1k? Don't want to spend more as I'ts just for casual use.

I am also looking for zoom lens for mobile. Tried online but had no luck.
Anyone owns a decent zoom lens made specifically for mobile cameras?