eyepiece 4 mm, 6 mm, 12.5 mm, 20 mm eyepieces give you a good variation in magnification for a wide range of targets with additional sharpness
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90° diagonal Wide 90° angle: You can view the correct image from the refractor telescopic stand and simply look down with a comfortable angle.
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3 x berlow lens Triple the magnification and capacity of an existing set eyepiece
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