Features: 1. The 1.25" Neutral Density Moon filter reduces glare so you can see more lunar detail and surface features with your telescope2. Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece3. Useful for different caliber astronomical telescopes through which the light of the Moon can be extremely overwhelming4. Filter transmits only 0.1% of the incoming light5. Perfectly neutral color will not alter the natural color of the Moon Specification: 1. Brand: SVBONY2. Model: SV1393. Type: Neutral Density Filter4. Material: Aluminum Frame, Metal Thread and Optical Glass5. Barrel diameter: 1.25''6. Optical density value: N4 (0.6 ), ND8 (0.9), ND16 (1.2), ND1000 (3.0)7. Transmission: 0.1%8. Thread: Standard M28.5*0.6mm9. Net Weight: 5.0g / 0.19oz10. Note: Eyepiece are NOT included Universal Science: Gibbous Moon - From now on, until it becomes new again, the illuminated part of the Moon that we can see decreases, and we say it's waning. The first week after full, it is called waning gibbous. It's very good effect to use the ND1000 filter at this time Package includes: 1 x SVBONY 1.25" Filter1 x Sturdy Plastic Case Details picture:
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