Metal Frame and Polymer Body One side for mounting a smartphone, clamping size: 66mm~95mm (2.6"~3.7") The other for mounting optics clamping size: 23mm~50mm (0.9"~2")
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Eyepiece Clamp with Non-slip Thread APEXEL astronomical telescope phone mount has special anti-slip treatment, can be tightly connected with optical instruments, rejecting any recalibration caused by jitter. Also has a diameter range scale, can easily determine whether your eyepiece is compatible.
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Includes Soft EVA Spacer If your eyepiece is too small or the optics are too heavy. We recommend that you use the included EVA spacer, sticks inside the eyepiece clip to give it a tighter grip and avoid abrasions to the optics.
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