In this clip we show you how to create a large, high-quality 2" telescope eyepiece of the RDP (Red's Double Plossl) design—from disassembling the binoculars, to arranging the lenses, to attaching them together with a 2" barrel to make the finished ocular.

For more information about making your own eyepieces, feel free to join our DIY Facebook group, where instructions on this and related subjects are pinned at the top of the group:
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