I keep meaning to find an idiots guide to explain the difference (minus the physics!) in types of bins (porro/roof) and therefore why buy one sort rather than the other.
Can anyone tell me the idiots guide? with or without pictures!!
Thanks. (sorry if I've missed an faq somewhere)
Roofs are easier to waterproof - that's about all. And they're usually heavier. If you have small hands, you might prefer a roof prism design because it is less wide and more compact. But the Nikon E is a compact porroprism (http://www.acecameras.co.uk/asp/web...4/prodtype.asp) and seems to be as good a binocular as you'll get optically, yet are not fully waterproof (would it ever matter in practice, I wonder?). A similar quality waterproof roof prism would cost far more, and not necessarily be any better optically - the Nikon 8x32HG for instance is £500-00 or thereabouts.