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5mm AUX line
which means that the 3nm Pro narrowband filter can guarantee high transmittance for working with both long focal ratios and fast optical systems
Led Indications for power and failure states
so the number of "H-alpha-photons" doesn't change much whether or not a filter is used
Svbony sv188p Dielectric Diagonal for Refractor Size:1.25" 5mm AUX lineSVBONY SV188P 1. 25 90 Dielectric Diagonal for Refractor Telescopes The SVBONY SV188P is a 1. 25 dielectric mirror diagonal designed for refractor and Cassegrain style telescopes. Featuring high reflectivity dielectric coatings and precision mechanical construction, it delivers bright, high contrast views while improving viewing comfort during extended observing sessions. High Reflectivity Dielectric Mirror The dielectric coated mirror provides over
