Astronomical Telescope Eyepieces Accessories 1.25 inch Filter Lens Medium Gray Density ND2 4 8 16 32 64 for Planet Moon Star Clusters

Specifications:
Interface Specification: 1.25 inches (for astronomical telescope 1.25 inches eyepiece)
Thread Specification: M28.6x0.6mm
Transmittance: 52% transmittance ND2, 25% transmittance ND4, 12.5% transmittance ND8, 6.25% transmittance ND16, 3.12% transmittance ND32, 1.56% transmittance ND64
Lens Material: Acrylic
Frame Material: Metal-Aluminum
Colour: Black

Package Included:
1x ND Filter
https://i.ebayimg.com/00/s/NTAwWDc1MA==/z/~hsAAOSwMyhiiITR/$_57.JPG?set_id=880000500F
https://i.ebayimg.com/00/s/NTAwWDc1MA==/z/tI0AAOSwFA1iiITR/$_57.JPG?set_id=880000500F
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