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PROFESSIONAL 25MM KELLNER 1-1/4" EYEPIECE
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Item No: L2033
Price: $17.50
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| Kellner eyepieces were the most popular eyepieces for moderately wide field telescopic systems prior to the advent of some of the newer (and more expensive) designs. 3 element coated optics with field of view approximately 40 degrees and eye relief about 20mm. Fits standard 1-1/4" focusers. Metal barrel with knurled finger grip, and threaded for filters (thread is courser than that used for standard eyepiece filters, but ID is slightly larger. Put a little masking tape over the outside thread of your filter and it will screw in nice and secure). 25mm focal length. Plastic container included. Unused and a great value.
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