If you want to achieve a magnification of about 110x to 125x in the O18 telescope, what eyepiece should you use? a The 7mm eyepiece b The 17mm eyepiece c The 31mm eyepiece d The 9mm eyepiece e The 22mm eyepiece
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If you want to achieve a magnification of about 110x to 125x in the O18 telescope, what eyepiece should you use?
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