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Message: <blockquote data-quote="Ravis" data-source="post: 3700626" data-attributes="member: 143866">The grey SF (mki) might have had a shorter eye cup extension - three stage twist; whereas the newer black one (mkii) has a four stage eye cup adjustment. The focus wheel on the mkii is supposed to be a lot better too. Both the 8x & 10x are great because of their very wide angle. They seem that good that one day I might get a pair. I'll be trying them out again at the bird fair and RSPB Centre.</blockquote>