I would sell the Skymasters and get these. https://oberwerk.com/product/oberwerk-15x70mm-deluxe/

Good advice.

However, you may want to keep the Skymasters, you won't get much for them, there are dozens for sale on eBay. If you go that route, get the 20x80 Deluxe binoculars from Oberwerk. Once you do that, you will probably never use your Skymasters.