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Message: <blockquote data-quote="Hermann" data-source="post: 3487347" data-attributes="member: 4925">As one of those who saw a greenish colour cast in the field ... Yes, it was there, and I didn't like it one bit. However, that was a very early SF, and I think it's well possible that later SFs don't have it because Zeiss tweaked the colour balance. Years ago such subtle tweaks happened all the time. I know of at least three instances where such tweaks were later confirmed by representatives of the maker concerned. In all three cases the changes were not announced at all, they were introduced quietly, based on customer feedback. Only really obvious, major changes were announced, like, in the case of the 10x40 Dialyts, the introduction of T* coatings or of phase coatings. But small changes to the internal baffling? Or slightly different glass types to cut down on CA? Not really.As to the question of a 50mm SF - I don't think that's going to happen any time soon. I think a new 32mm binocular is probably more important in the market place. Larger binoculars (50mm and more) are rather like 7x binoculars here: A lot of people say they love them - but only a very few people actually buy them.Hermann</blockquote>