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Message: <blockquote data-quote="eenymac" data-source="post: 1914341" data-attributes="member: 81101">I had a good look at this new Lens too while at the Birdfair.I agree too, it's a full system solution more than just a telephoto lens.  The ability to quickly change between SLR or Prismatic scope adaptor and eyepeice greatly reduces the amount of kit that needs to be carried into the field.  I am sure the manual focus wouldn't be too big a problem either - perhaps for birds in flight but should be fine for ground or tree based subjects.I await detailed testing reports with interest.</blockquote>