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Ground US Continental Orders Over $200. Canada call for ship cost.
Eyepiece reticle, 10mm/100 divisions, 23mm diameter. For use with WF10x eyepieces only. For use with the the following National Optical models:
- 400 Series
- 405 Series
- 409 Series
- 410 Series
- 411 Series
- 415 Series
- 416 Series
- 417 Series
- 420 Series
- 420T Series
- 430 Series
- 446 Series
- 447 Series
- 448 Series
- 460 Series