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  1. S

    questions about Swift Osprey Mark II 7.5 x 42

    Well, I put this idea to the test. I purchased a (roof prism) Monarch 7 (~$480) and... I returned it. To my eye the Monarch 7 created a tunnel vision effect (despite the wider FOV) with significant pincushion distortion at the edges. It also appeared to have a slightly yellow cast (compared to...
  2. S

    questions about Swift Osprey Mark II 7.5 x 42

    Ed, thanks for the history background (I read your Audubon 804 thread -- very interesting!). My Osprey's serial # is 83-xxxx, therefore 1983 manufacture year. Richard, you have just made a stranger very happy. I was able to adjust the diopter and tighten the screws (fortunately I had a...
  3. S

    questions about Swift Osprey Mark II 7.5 x 42

    I recently inherited a nice pair of Swift Osprey Mark II 7.5 x 42 binoculars and I have a few questions: What's the difference between the Mark II and the original Osprey? What was the original retail price of the Mark II (either in the USA or UK)? The diopter ring is somewhat loose and turns...
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