Specification Brand : Annadue BulletPoint1 : The filter will fit all standard sized 1.25" eyepieces and accessories. BulletPoint2 : The filter will fit all standard sized 1.25" eyepieces and accessories. BulletPoint3 : Reduces glare and improves definition so you can see the moon's features. BulletPoint4 : A high quality eyepiece filter for reducing the brightness of the moon and improving contrast and surface detail. BulletPoint5 : A moon filter really makes a difference and at such a low cost is a must for every astronomer. BulletPoint6 : Bright, light-polluted skies appear much darker, and the contrast between object and sky is improved significantly. BulletPoint7 : This contrast-enhancement effect is particularly apparent on nebulas. ExternallyAssignedProductIdentifier : 8474468503960 ItemName : Annadue Professional Cuts Light Pollution Moon Filter, Sky Glow Filter, for Eyepiece Telescope ItemPackageDimensions_Height : 7.7978 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 7.5946 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : telescope-filters Manufacturer : Annadue Material : Optical Glass PartNumber : Annaduekmieb20wx7 PhotoFilterEffectType : Enhancing PhotoFilterThreadSize : 31.7 millimeters ProductDescription : Features: The filter will fit all standard sized 1.25" eyepieces and accessories. Reduces glare and improves definition so you can see the moon's features. A high quality eyepiece filter for reducing the brightness of the moon and improving contrast and surface detail. A moon filter really makes a difference and at such a low cost is a must for every astronomer. Bright, light-polluted skies appear much darker, and the contrast between object and sky is improved significantly. This contrast-enhancement effect is particularly apparent on nebulas. Specification: Brand: Condition: Brand New Lens Material: Optical Glass Frame Material: Aluminum Alloy Lens Color: Light Shell Color: Black Barrel Diameter: 31.7mm / 1.25in Thread: Standard M28*0.6mm Weight: Approx. 17g Package List: 1 * Moon Filter 1 * Storage Case ProductSiteLaunchDate : 2021-04-02T22:31:09.594Z SupplierDeclaredDgHzRegulation : unknown WaterResistanceLevel : not_water_resistant