1 Material: The filter is made of optical glass and aluminum alloy, which is sturdy and durable. 2 Clear Picture: After installation, it can be used normally, the picture is clear without distortion, and does not affect the observation picture. 3 Easy Installation: The metal filter unit plugs directly into the 1.25in barrel of the telescope eyepiece. 4 Function: A completely neutral color will not alter the natural color of the moon. Enhances the contrast of the moon and planets in photographic images. 5 Applicability: Suitable for 1.25in telescope eyepieces, which can be easily screwed into the eyepiece lens.Item Type: Telescope Eyepiece Filter Product Material: Optical Glass, Aluminum Alloy Applicable Aperture: for 1.25in Telescope Eyepiece
What's in the box
1 x Filter
1 x Storage Box
