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Old 01-12-2018, 09:10 AM
ausastronomer (John Bambury)
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ausastronomer is offline
Join Date: Mar 2005
Location: Shoalhaven Heads, NSW
Posts: 2,452
Originally Posted by ab1963 View Post
Hi John
the Nikons perfectly flat sharp pinpoint stars across the whole FOV and satin black backdrop cannot be bettered but comes at a price and well worth it
Hi Andrew,

The contrast in the 17mm Nikon NAV HW is something quite special, that I haven't seen any other eyepiece, with the possible exception of the Zeiss orthos, quite able to equal. The Docter gets very close as well. Of course the Zeiss orthos have short eye relief and a narrow FOV, so not quite a level playing field. To be able to achieve what they have achieved in a long eye relief wide field eyepiece is a credit to the Nikon Optical Engineers. In my 14" Zambuto powered SDM the Nikon is a stunning performer.

Unfortunately with the multitude of eyepieces I already own and enjoy I can't justify the cost, as I don't observe as often as I used to.

Cheers and enjoy
John B
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