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Search: Posts Made By: jring
Forum: Kowa Tuesday 5th September 2017, 01:23
Replies: 13
Views: 3,851
Posted By jring
Hi, indeed it was what set their large diameter...

Hi,

indeed it was what set their large diameter to of the line scopes apart from the competition for many years - because back then modern ED glasses were not available and fluorite was the only way...
Forum: Kowa Monday 4th September 2017, 17:55
Replies: 13
Views: 3,851
Posted By jring
Hi, it is not probable that a good ED binocular...

Hi,

it is not probable that a good ED binocular will gain in image quality from being redesigned to use a fluorite objective element. The differences between some ED glass and fluorite are already...
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