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Sky’s the Limit 15mm 2” 80deg Eyepiece


Graham Fletcher

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Graham Fletcher

Hi guys

Does anyone know ,or has anyone used the Sky’s the Limit 15mm 2” 80deg eyepiece on an f4.8 Newtonian?

I have the opportunity of buying a secondhand one and would appreciate any views on this eyepiece.

cheers

Graham

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The fastest Newtonian I own now is f/6. 

 

https://www.ebay.co.uk/itm/2inch-F15mm-Ultra-Wide-Angle-80-Degree-Astro-Telescope-Eyepiece-FMC-Lens/203142889748?hash=item2f4c428114:g:5U0AAOSws8ZXHYta

 

I don't know the make of the EP you want to buy. In my experience certain wide angle eyepieces can glare badly in fast reflectors (I'm talking about you Celestron Luminos!).

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If you are after something wide angle in that focal length Graham 

that will perform well with a fast Nerwtonian, without the Tele-vue type price tag,

have a look at the ES 82º (Explore Scientific) or the Baader Morpheus 76º ranges.

Both of these are well regarded are more suitably priced.

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Sky's the Limit were the original importer of BST Starguider eyepieces. The name of these I think has changed to something else, but I owned a number of these and they were very good value for money. If it's at the right money then it might well be worth a punt on it.

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I didn't think there were many 15mm 2" EP's anyway. If my understanding is correct it's only at around 17~19mm (and longer) that 2" eyepieces can efficiently use the available light.

 

k0ucWKml.jpg

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No Graham, mine were all 1.25". I use up to a 2" 38mm Skywatcher Panaview in my Dob and that's at the limit, but gives a huge bit of sky to look at. I mostly use a 2"26mm Panaview as this is just ideal for fuzzy hunting for me.

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