Specification Brand : Spectrum Telescope BulletPoint : Type: Monocular. BulletPoint1 : These filters will arrive in box that is foam-lined and then placed in plastic, perfect for storing the filter when you aren’t using it. It also comes with instructions for care and use, which when followed, will provide many years of enjoyment and use. BulletPoint2 : The material for the optical thin film is created from .002” black plastic polymer to provide years of use. These premium solar filters are made with an aluminum cell that has been centered and is securely fastened to binocular ends with a nylon thumb screw and a piece of felt for padding. BulletPoint3 : How do I determine the size of filter to order? Spectrum Telescope filters slip over the sky end of the optical tube of the telescope. To get the proper fit, measure the outer diameter by using a caliper, ruler, or tape measure. Measure the widest distance of the telescope end starting from the exterior of the casing, across the center and to the exterior part of the casing of the other side. BulletPoint4 : After you have your measurements, you should order a size larger than what you measured. This is because your measurement is being compared with the solar filter ID (inside diameter). For instance: If you measure 4″ across the optical tube end needs a 4.25” size solar filter. This will make it just a little bigger than the measurement you took. Color : Green ExternallyAssignedProductIdentifier1 : 0751369825826 ExternallyAssignedProductIdentifier2 : 751369825826 IncludedComponents : Optical Glass, Aluminum ItemName : Binocular Thin Film Solar Filter ((3.75" (95mm). Fits Optical Tube Diameter 3 3/8" (87mm) to 3 5/8" (92mm)) ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 9 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 1 ItemTypeKeyword : telescope-filters Manufacturer : Film Solar Filter by Spectrum Telescope -Binocular Solar Filter ModelNumber : HYABCVHYY-GREEN NumberOfItems : 1 NumberOfPieces : 1 PartNumber : ST000BPP PhotoFilterEffectType : Neutral Density ProductDescription : These thin film safe filters are available in a pair, perfect for binoculars. The high quality clear aperture is made from hand selected materials that have been thoroughly inspected. This full aperture thin film solar filter is made of a durable, high quality material, providing a natural yellowish-orange tint to the image. You can directly view with the filter on your binoculars or for taking pictures. ProductSiteLaunchDate : 2025-03-26T18:55:24.220Z Size : One Size Style : (3.75" (95mm). Fits Optical Tube Diameter 3 3/8" (87mm) to 3 5/8" (92mm) SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 41111700 WarrantyDescription : 30 day Manufacturer warranty WaterResistanceLevel : waterproof