4. Supports single-piece use, can be used as a daylight filter, effectively reduce light, and increase darkness; 3. With a double-piece design, of view can be gradually darkened to increase the contrast of the telescope eyepiece; 1. 1.25-inch polarizing filter, made of optical linear polarizing lens; 2. Suitable for viewing the contrast of lunar details and enhancing the contrast of the moon and planets in photographic images; 5. Suitable for telescopes with 1.25-inch interface and eyepieces with .6x0.6mm threads.
4. Supports single-piece use, can be used as a daylight filter, effectively reduce light, and increase darkness; 3. With a double-piece design, of view can be gradually darkened to increase the contrast of the telescope eyepiece; 1. 1.25-inch polarizing filter, made of optical linear polarizing lens; 2. Suitable for viewing the contrast of lunar details and enhancing the contrast of the moon and planets in photographic images; 5. Suitable for telescopes with 1.25-inch interface and eyepieces with .6x0.6mm threads.
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