Sharper focused Planets Via The Helical Mechanism Once the helical focuser is attached, simply turn the focusing knob with Anti-slip texture - which you can control easily even with gloves on in winter. The rotating mechanism allows very smooth and continuous focusing, and without any play.
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Adjustment Accuracy: 0.05mm The accuracy can reach 0.05mm, 10mm focusing stroke, and more precise focusing. Will meet your need for precise focusing during photography or, lightweight and portable, its more convenient to carry and use.
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Brass Ring Design 1.25" accessory collar with brass compression insh to prevent the marring of your telescope accessories, will not scratches your expensive eyepiece or zenith mirror, safer and easier to use.
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Thread For Eliminating Light Effectively reduce stray light interference, not only improve the brightness of the image, but also effectively reduce the dark edges formed, the edge details of the image are clearer.
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