I have a pair that I've used for a few years. Very good and clear, but heavy. If you are sitting glassing all day they are a good choice for the money. I saw where someone had taken two Swarovski spotting scopes, mounted them on a custom mount and tripod. A bit pricey...
For backpack bowhunting I got a Nikon spotting scope, very clear for the money and light...
"Just my two cents"