Touptek 1.25" SHO Filter Set - OIII, HA & SII - 6.5nm - SHO-125 vendor-alpen-optics The Explore Scientific Nebula City

The Explore Scientific Nebula City Light Suppression (CLS) Filter 1

Lock the landscape

If you'd like the full mount kit

plus the folding tabletop tripod

HAE29/HAE29EC

Touptek 1.25" SHO Filter Set - OIII, HA & SII - 6.5nm - SHO-125 vendor-alpen-optics The Explore Scientific Nebula CityNarrowband filters make astronomical photography more interesting. Emission nebulae contain rich and complex narrowband emission lines, such as the deep red 656. 28nm H emission line, the red [SII] (671. 6nm and 673. 1nm) and the blue green [OIII] (500. 7nm and 495. 9nm). Specifications: Diameter: 1. 25 inch (31. 77mm) Thread: M28. 5*0. 6mm Lens Thickness: 2mm Lens Material: Optical Glass Frame Material: Aluminum Alloy Work Showcase H alpha filter hcg