Specifications Telescope Compatibility: Celestron AstroMaster 130EQ / 130eq-MD models Filter diameter (external): 152mm (5.98") Filter diameter (internal): N/A Filter thickness: 28mm (1.10") Filter clear aperture: 42mm (1.69") Weight of filter: 4.93 oz (140 g) Solar image color: Orange Filter material: Scratch resistant polymer produced by American Paper Optics Nylon safety straps: (2) 25.4mm x 101mm (1" x 4") hook and loop straps, (4) 25.4mm x25.4mm (1" x 1") hook and loop Tabs Solar Warning Only observe the Sun with ISO-compliant eye protection, such as the filter found in this EclipSmart product. Never look directly at the Sun with the naked eye or a non-filtered optic. Permanent and irreversible eye damage may result. Never tamper with or remove the permanently placed glass filters in this optic. Doing so is dangerous and will void your warranty. Never leave your optic unsupervised. Make sure an adult who is familiar with its correct operating procedures is with your optic at all times, especially when children are present. Never remove your eye protection when looking directly at the Sun during partial phases of a solar eclipse. California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
