I agree with Dannat. Go to aoe website They are a great company to deal with and very prompt in sending. I myself have a pair of aoe 10 x 50 HG waterproof BAK4 prism. Cost last year $119 , fully multi coated.
Then a few weeks ago, I bought for my son who is interested in bird watching, a ripper pair of 8 x 40 roof prism type . Called Oddysey range from aoe fully multi coated, BAK4 glass nitrogen filled waterproof. These were only $165 or thereabouts. They are so light

and I tried them on both rainforest trees and stars, and I was flat strap finding the difference between his or mine. When I get a job again, I am going to shout myself a pair of those 8 x 42. The 8 x 42 can focus down to about 3 metres which is fantastic!!
I really cant see why go anywhere else than aoe. They look great quality to me

and I have now fully tested two