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   FOUR PIECE 1.25" EYEPIECE SET WITH KELLNER 25MM, KELLNER 9MM, 2X ECONOMY BARLOW & 90 DEGREE STAR DIAGONAL - GREAT VALUE!!

(new but no box)  OK, so you got a telescope at a garage sale or surplus store but it doesn't have any eyepieces or 90 degree diagonal with it.  What do you do?  First measure the opening where the eyepieces go.  It will be 1.25" or .965" in diameter.  If it is 1.25" and the scope looks like it still has the main lens in the front of it, grab this set of eyepieces and start enjoying your bargain!  If you want to give your old scope to your kid or grandkid but can't find the eyepieces?  Same story.  With this set you get 4 different magnifications.  That should be enough for anybody!  25mm for low power, double that with the 2x barlow to 12.5mm for medium power.  Then you have the 9mm for medium/high power and you can also double that with the 2x barlow for 4.5mm high power.  What does all this mean?  All telescopes have a focal length.  Most are 700mm to 1000mm.  Say you have 1000mm focal length optical tube, (it should say near the focuser).  Just divide the eyepiece focal length, say 25mm into the scope focal length and you have the magnification: 40x.  The smaller the eyepiece millimeter focal length, the higher the power.  Always start with the low power and work your way up.  Telescopes can be lots of fun but you need to be able to change the power for wide views or closeup views.  You won't find a better deal on replacement 1.25" diameter eyepieces, barlow & a star diagonal anywhere!  Shipping is cheap too.  So go with the eBay seller everyone buys from when they need telescope parts and be sure you will get good parts and service!

These eyepieces have high-quality, coated lenses and comes with an economy 2x barlow & 90 degree diagonal. The K25 eyepiece, the Kellner 9mm and the economy barlow & diagonal are generic (we buy them directly from our supplier).  The barlow has a plastic barrel with glass lenses.  The 9mm Kellner has a rubber eyecup, with a metal lens housing,
chromed metal barrel with filter threads! The K25 is all metal - nice quality eyepiece!   This is NOT a cheap plastic
eyepiece!  It uses optical glass coated lenses.  The eyepieces have protective plastic cases included!  The barlow and diagonal have dust caps included.
  If you are looking for a replacement kit for your scope, grab this at a great price!!
NOTE:  This kit is not for Newtonian Reflector telescopes.  It is for Refractor telescopes and Schmidt cassegrain telescopes in the $50 to $500 range.

Check out our eBay store for a great selection of telescope parts and accessories!
Buy from a store you can trust, we ship promptly - usually the same day!
Thanks!

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  • Items are either shipped via USPS First Class, Priority, or Fed-Ex Ground. Method of shipping depends on your location, weight and size of package. We DO NOT Ship to Italy, Russia or India. Thank You.

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Filed under: Eyepieces & Accessories