Svbony sv188p Dielectric Diagonal for Refractor Size:1.25" so the number of "H-alpha-photons"

so the number of "H-alpha-photons" doesn't change much whether or not a filter is used

Connect a 5- 15V power supply to the DSLR buddy and power on your camera with stable and constant voltage for the whole night long

4 C-mount lens it can record stars of mag 8 to mag 9 at 30FPS (33ms exposure) in live video recording

or mobile APRS-style GPS location sharing

Net Weight

Svbony sv188p Dielectric Diagonal for Refractor Size:1.25" so the number of "H-alpha-photons"SVBONY 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