I've got a relatively cheap pair of Teleskop Service versions of Pentax 10x50 WP. I assume they come off the same production line, look almost identical and very close in price. Bintel just struggled getting the Pentax ones in and I was making an order from TS at the time so one thing lead to another.
I have no complains about them, best binos I've also ever used but I've also never used expensive ones so I don't know what I'm missing out on