ZWO Narrowband 7nm OIII,SII & Ha Filter Set - 1.25" - NB7NM1.25 90mm refractor Affordable

Affordable

Diameter: 70 mm (2

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ZWO Narrowband 7nm OIII,SII & Ha Filter Set - 1.25" - NB7NM1.25 90mm refractor AffordableThis Narrowband Filter Set from ZWO, also known as a SHO Set, is used for tri color astrophotography to give you beautiful "Hubble" type results. The three piece filter set includes a 7 nm OIII, SII & Ha 1. 25" threaded filter. The glass thickness is 2. 0+ 0. 03 mm, and the overall thickness of the filter is 5. 5 mm plus 2. 5 mm for the M28. 5 x 0. 6 male threads. The ZWO 7 nm bandpass is designed for imaging nebulae. H Alpha (Ha) Filter The ZWO H