Go for lower magnifications, e.g. 7x 8x or 10x.7x or less are by far the the easiest to hold steady.Anything 12x and above need a tripod or something to rest the binoculars on.For daytime use in sunshine 30mm...
Why buy DSLR on ebay? Because you, like me, probably can't afford the latest, greatest, gear at high prices. But other people can and they upgrade regularly and then sell the old stuff on ebay to recoup part...