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Nikon Prostaff 5 vs the Helios fieldmaster 60 ED (1 Viewer)
- Thread starter cameron2
- Start date
FrankD
Well-known member
I haven't tried the Pro staff 5 yet but....
The Helios is a fairly long scope for a 65 mm. That usually means a longer focal length. A longer focal length, assuming the same objective diameter, usually has a more well-corrected image. Throw in the ED glass objective and I think, on paper, it is a fairly easy choice. Also keep in mind that, in the US, the Helios(Theron Saker) is notably less expensive.
Probably the only aspe t favoring the Nikon is the addition of more eyepiece choices. I believe someone here on this forum found a way to use certain fixed power astro eyepieces with the Theron/Helios.
The Helios is a fairly long scope for a 65 mm. That usually means a longer focal length. A longer focal length, assuming the same objective diameter, usually has a more well-corrected image. Throw in the ED glass objective and I think, on paper, it is a fairly easy choice. Also keep in mind that, in the US, the Helios(Theron Saker) is notably less expensive.
Probably the only aspe t favoring the Nikon is the addition of more eyepiece choices. I believe someone here on this forum found a way to use certain fixed power astro eyepieces with the Theron/Helios.
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