I have owned all the above binoculars at some time and feel it is time to extol their virtues. They are all made to military standards and marine tested i.e. they are waterproof and nitrogen gas filled....
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...