u/Available_Hippo4035

Hello, im going to buy binoculars for bird watching and astronomy, there are 2 that i want but i don't know which one to choose, an 8-24x50 or a fixed 10x50, the 10x50 binoculars are twice as cheap so will it be worth it if i buy the 8-24x50 binoculars? I will also be buying a tripod. Thanks! ​​​