The Carl Zeiss orto EP, how much sharper is those vs ex the abbe they sell now ( I found several brands copy ) or compared to the TV Delites ?
I had search e-bay for them, but so far nothing.
If I has a 3 meter FL it will be around 500X with a 6 mm and a 1.5 mm pupil, but the FoV will be very tiny under 0.1 degree.
Does that fit faint targets ?
They are Very tight at only 45 degrees.
Where is the focus point located based out from shoulder ?
Is those EP out on the market sometimes, or where to get a 6 mm ?
How to know if they was cleaned correct vs coatings ?
( is coatings tuff or very fragile ? )
I has a Zeiss 2060S bino and few binos will compete on performing at a dark sky.
Last edited by Hakann; September 17th, 2019 at 07:13 PM.
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