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APM 100mm APO 90 degree binocular telescope eyepieces
Hi
Does anyone have any experience with Celestron X-Cel and Optima eyepieces, particularly in the 9mm to 13mm range with these BTs? Any info on these or other mid range matching eyepieces and their suitability would be appreciated. I have read some favourable reports on the X-Cel eyepieces.
Best regards
Greg46
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