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Message: <blockquote data-quote="Rich N" data-source="post: 221870" data-attributes="member: 14602">I suggest you go for the 10x42 Ultravid.  It has a larger true and apparent field than the Duovid at 10x and the Ultravid weighs quite a bit less.  The Duovid at 8x has the same field of view as the Ultravid at 10x.  The Duovid weighs 37 oz.  the Ultravid 10x is 26.8 oz.The Duovid has less eye relief at 8x or 12x than the Ultravid at 10x,I have looked through the Duovid a few times but have not made a careful compairson between it ant the Ultravid.  The Duovid gives a nice image but it is a little clumsy, at least at first, changing power.  I would guess the Ultravid may have a slight edge in image quality.I think the Ultravid would be easier to live with.  The thumb bumps are nice, making the Ultravid easier to hold.  I think it is unlikely you would miss seeing something at 10x in the Ultravid that you would see in the Duovid at 12x.  If you are interested in a different brand, you might want to get the Zeiss 10x42 FL for about the same or less money.Rich</blockquote>