The best replacement for eyepiece is 1.25.

The best alternatives to eyepiece are rated as following:
★★★★★  1.25
★★★★  ocular
★★★★  barlow
★★★  objective lens
★★  2 eyepiece
★★  lens
★★  2 inch
★  8-24 mm eyepiece
★  1.25 eyepiece
  ocular lens

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Speaking about eyepiece, one probably shouldn't forget about celestron telescope.

Other search terms related to eyepiece and their ratings are:
★★★★★ celestron telescope
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eyepiece
1.25
ocular