Chroma Technology 3nm/5nm/8nm OIII Filters (27006/27007/27008) Filter Size:31mm Unmounted (-31D) 5") Optical Tube Diameter: 125mm

SKU: 17746645797

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Chroma Technology 3nm/5nm/8nm OIII Filters (27006/27007/27008) Filter Size:31mm Unmounted (-31D) 5") Optical Tube Diameter: 125mmChromas OIII filters isolate the 500. 7nm primary emission line of doubly ionized oxygen. After H alpha, this is the next most common emission when imaging nebulae Specifications 3nm Transmission Curve 5nm Transmission Curve 8nm Transmission Curve Note: All transmission and blocking (OD) data are actual, measured spectra of representative production lots. Spectra varies slightly from lot to lot. Optical density values in excess of 6 may appear noisy

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