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Help needed; Fieldscope III eyepiece (1 Viewer)

I bought a fieldscope III w/20-45 zoom on sale several years ago. My intention was to later up grade to the 20-60 zoom or a fixed wide angle. Now that I am ready to upgrade I find the fieldscope eyepieces very difficult to find and very expensive. Does anyone know of a reliable soruce for these eyepieces or if an adapter is available to use some other eyepieces on the fieldscopes. Thanks in advance for any help or advice you might have.

Tony
 
MCO doesn't show the 20-60x zoom. This is the first site I have seen that shows the 60 ED& regular sold without the eyepiece. I think the non ED scope w/o eyepiece is probably about how much some people paid for the close outs with an eyepiece. The 30x widefield would be the only one I would be interested in.

Tony I have both of the zooms and you are not missing that much. Of course with you being in La. you might be using this along the Gulf and it might make a difference with 60x.

Otter Creek Trading on Ebay used to have the big zoom for $79, that is where I got mine.I just looked and they don't show these now. I think they sold out.
 
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MCO doesn't show the 20-60x zoom. This is the first site I have seen that shows the 60 ED& regular sold without the eyepiece. I think the non ED scope w/o eyepiece is probably about how much some people paid for the close outs with an eyepiece. The 30x widefield would be the only one I would be interested in.

Tony I have both of the zooms and you are not missing that much. Of course with you being in La. you might be using this along the Gulf and it might make a difference with 60x.

Otter Creek Trading on Ebay used to have the big zoom for $79, that is where I got mine.I just looked and they don't show these now. I think they sold out.
Steve,

In regards to MCO, I would call them. I know for a fact they have eyepieces that are not on the website.

Best,
Mike Freiberg
Nikon Birding Market Specialist
 
I have both of the zooms and you are not missing that much. Of course with you being in La. you might be using this along the Gulf and it might make a difference with 60x.

I've also got both the zooms, and IMO the 20-60x is somewhat better at magnifications above ~35x. Above ~40x the difference becomes quite pronounced. However, this is with the ED II and ED III, with the non-ED the differences aren't quite so obvious. The CA of the non-ED seems more limiting than the optical quality of the zooms at higher magnifications.

That said, I still quite like the 20-45x. It's smaller and lighter than the 20-60x, and I also find the 20-45x somewhat easier to use than the 20-60x. It's really a neat, little eyepiece.

Hermann
 
Hermann, I have the Nikon 60mm ED and non ED Fieldscope here right now, I bought a used 60ED. I also have the Nikon 50ED here right now and was going to compare them side by side on my Universal Astronomics mount, but I hurt my back yesterday. I was going to do this yesterday evening as it got dark. I do have the big zoom on the little 50ED and I like it better on that scope than the small zoom.
 
Hi mates, I need your advice as I am looking to buy one of 20-45x or 20-60x Nikon eypieces. If I clearly know, the 20-60x has been improoved - better multicoating (MC2), but how about 20-45x, is there any difference? Are they any different, I mean clarity of view, FOV, aberrations, ease of use etc.? Does both end up with 1.25'' mount?
 
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