Strangely enough , I was just thinking along similar lines with regard to the Pentax PCF 20(17) x 60 .
Pentax could provide a 1.2x extender to at least allow one side to yield 20x magnification ! :-)
Regards , Kenny
-------------------- Two eyes and a preference to use both
Zeiss 7 x 42 BGAT
Captain's Helmsman 7 x 50
Nikon 10 x 42 Superior E
Swift Audubon Kestrel 10 x 50
Helios 15 x 70 Observation
Strathspey 20 x 90
Televue 76 APO
Zeiss 85 Diascope
Helios 102 f5 refractor
Various eyepieces barlows tripods mounts etc.
Panasonic Lumix DMC - TZ5 digital camera
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