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KennyJ
Reged: 04/27/03
Posts: 10142
Loc: Lancashire UK
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Re: 100 Hercules at 10x
06/16/08 05:42 PM
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Ron ,
Thanks for your understanding comments .
Your " sub - zero " astigmatism description fits my visual experience rather well !
Mark ,
Wearing reading glasses when looking through binoculars increases the magnification for me , too -- but that is not the same at all to what I'm describing .
In fact , if anything , strange as it may sound , it's as if putting the anti - astigmatism lenses in series , slightly REDUCES magnification , yet significantly increases " sharpness " .
Unfortunately , when it comes to optics , there is no such thing as " sharpness " in the vocabularly of the technically correct !
Kind regards
Kenny
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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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