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Showing results for tags 'long eye relief'.
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10mm (mint never used) 50 deg, 15mm 50 deg. Averaging at £30 each. These are the original Vixen LV Lanthanum eye pieces made in Japan - particuarly the 10mm, each has 20mm eye relief. Each has a top & bottom cap. PHOTOS BELOW I will take Paypal friends/family or a cheque (postage when cashed)
I was wondering if anyone can shed some light on a question I have been pondering since I bought my new scope? When I bought my C8 the guy who sold it threw in a heck of a lot of stuff with it, including an anti-dew heater strip, 2 mirror diagonals and five eps (I was totally amazed when I opened the package, even though he had told me in a telcon that he was including them). Anyway, the 32mm, 26mm, 25mm and 10mm I can understand and have been using - on the very odd occasion that we have had clear night skies here! What I cannot work out is when/where you would use a 2mm ep?!? In my scope with a 2000mm focal length that would give me 1000x magnification. As most people on here seem to say that 200x - 300x is the max you could reasonably use in the UK, even with excellent seeing, I was wondering who would have a use for such an eyepiece? Do some scopes come with 400mm focal lengths where this eyepiece could be used? It's a Skywatcher Long Eye Relief (LER) 2mm ep by the way. It's not really that important, it was just that I set my scope up last night and found the ep in my ep box. Notice I said I set my scope up and not, I did some observing, as when I went out after half an hour ready to use my by now cooled down scope, guess what? Yep those damn clouds had rolled in again!