SVBONY SV139 Telescope Moon Filter - 1.25 Inch

SV139 Telescope Filter Moon Filter 0.1 Percent Transmission SV139 ND1000 neutral density filter allows 0.1% of the visible light to pass through. Perfectly neutral color will not alter the natural color of the Moon. The moment you pick up SV139 Moon Filter you’ll immediately feel the craftsmanship and quality. 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 High-quality aluminum frame SV139 Moon Filter’s surface is designed with a CNC trapezoidal pattern to ensure that the friction is increased over a large area when the user rotates Specifications: Type: Neutral Density Filter Material: Aluminum Frame, Metal Thread and Optical Glass Barrel diameter: 1.25'' Optical density value: 3. Transmission: 0.1% Thread: Standard M28.5*0.6mm Net Weight: 5.0g / 0.19oz SV139 Telescope Filter is a must-have item for observing the full moon. When you observe the moon, the bright moon will irritate your eyes and cause eye diseases. Excellent optical glass; good optical performance;excellent image quality and color reproduction without distortion; useful for different caliber astronomical telescopes through which the light of the moon can be extremely overwhelming Robust material; outstanding aviation grade aluminum frame with Hard Anodized Black finish; aesthetically functional design