Celestron Oxygen III Narrowband Nebula Filter (1.25") Speed Ring & Mounting Accessories The white Premium Cat7 Double-Shielded

The white Premium Cat7 Double-Shielded 10 Gigabit 600 MHz Ethernet Cable from Tera Grand is 7' long and rated for transmission frequencies up to 600 MHz

Input 1x Power Cord with 3-prong plug

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Celestron Oxygen III Narrowband Nebula Filter (1.25") Speed Ring & Mounting Accessories The white Premium Cat7 Double-ShieldedSpecifically Designed to View Nebulae Isolates Two Doubly Ionized Oxygen Lines Eliminates Halos Around Bright Stars Fits 1. 25" Eyepieces and Accessories The 1. 25" Oxygen III Narrowband Filter from Celestron yields high transmissivity by blocking unwanted longer wavelengths of light, giving higher contrast to your observation and photographic experiences. By isolating just the two 496 & 501nm doubly ionized oxygen lines emitted by planetary and