Specification Brand : Ylwxzenith BulletPoint1 : Protective Packaging: Comes with a sturdy plastic storage box to ensure the filter remains safe, clean, and performing optimally when not in use. BulletPoint2 : Versatile Applications: Ideal for digital SLRs, CCD cameras, modified network cameras, or for digital imaging through a telescope, serving as a permanent lens protector. BulletPoint3 : Enhanced Image Quality: Features an optical glass coating that delivers clear, detailed images with reduced chromatic aberrations and , finely graded colors. BulletPoint4 : Effective IR Cutoff: The filter boasts a 700nm wavelength cutoff, expertly preserving the 650nm zone of the Halpha waveband, compatible with modified 300D . BulletPoint5 : Universal Compatibility: Equipped with a standard 2-inch filter frame, making it an ideal fit for 2-inch oculars and a variety of other telescope accessories. CompatibleMountings : Canon EF FocalLengthDescription : fixed-non-zoom FocusType : Manual Focus ItemName : 2in UV IR Cut Filter 700nm Block, Optical Glass Aluminium Alloy Telescope Accessory with Protective Storage Box, Clear View for Astronomic Observation ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : telescope-filters Manufacturer : Ylwxzenith MaxFocalLength : 1 millimeters MinFocalLength : 1 millimeters ModelName : Ylwxzenithv6sf2xardm ModelNumber : Ylwxzenithv6sf2xardm PartNumber : Ylwxzenithv6sf2xardm ProductDescription : Item Type: IR cur filter Material: Aluminium alloy, optical glass Weight: Approx. 50g / 1.8oz Diameter: 5.1cm / 2in