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Search: Posts Made By: Binastro
Forum: Kowa Monday 20th August 2018, 13:49
Replies: 20
Views: 3,449
Posted By Binastro
Hi 18000bph, If you have exceptional eyesight...

Hi 18000bph,

If you have exceptional eyesight then you are going to see problems with optics that others may not notice.

You may need to choose your optics very carefully, and few binoculars are...
Forum: Kowa Sunday 19th August 2018, 11:44
Replies: 20
Views: 3,449
Posted By Binastro
Hi 18000 bhp, (Lockheed Hercules?) Is the sweet...

Hi 18000 bhp,
(Lockheed Hercules?)

Is the sweet spot so small because of field curvature?
Does the sweet spot increase if one focuses a bit off centre?
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