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Message: <blockquote data-quote="doug el10x32" data-source="post: 3230451" data-attributes="member: 56662">Hi Binastro,With the significant improvement in lithium batteries since that catalogue was printed in February 2005, I am sure that a set would last far longer longer than the stated 12 hours.  I think that the 'vari prisms' have been used in the 10x30's and up to the 18x50's for some time now and it was the 8x25's that were changed.  Also, the 12x36's had a big makeover when the 12x36 II's were brought out before 2005.I was looking at Venus last night in a blue sky half an hour before sunset and in my 12x36's was able to see the half crescent shape with and without the IS switched on.  Three quarters of an hour later I looked at Jupiter and all four moons were widely separated and easily visible.  The IS certainly improved the view of the fainter moons.Just prior to all of this there were two hummingbirds at my feeder that is about 25 feet from my deck so was able to focus on them.  With the IS on, the view was spectacular.Once the new 12x36's are available, it will be interesting to actually compare the differences if they are noticeable.Hi Dipped. Where in Suffolk are you ?  I was visiting my family in Lowestoft and Blundeston three weeks ago!!Doug.......</blockquote>