Astrodon SII5_36R Narrowband Filter for Astrophotography

♦ 36mm Narrowband Filter - unmounted

♦ Emission line: S-II Sulphur 5nm bandwidth

♦ Thickness: 3mm - parfokal with all other Astrodon filters

♦ Transmission: better than 90%

♦ Image left shows the curve of the 3nm filter.

Astrodon OIII5_36R Narrowband Filter for Astrophotography

♦ 36mm Narrowband Filter - unmounted

♦ Emission line: O-III 5nm bandwidth

♦ Thickness: 3mm - parfokal with all other Astrodon filters

♦ Transmission: better than 90%

♦ Image left shows the curve of the 3nm filter

Astrodon 5nm H-alpha Filter is the perfect tool for your imaging set up in order to knockout Hydrogen gas and pick up faint details

Astrodon HA5_36R H-Alpha Narrowband Filter for Astrophotography

♦ 36mm Narrowband Filter - unmounted

♦ Emission line: H-Alpha 5nm bandwidth

♦ Thickness: 3mm - parfokal with all other Astrodon filters

♦ Transmission: better than 90%

Astrodon E-Series L-RGB Filters for better colors with KAF Sensors and Sony Sensors

♦ Set of 4 Filters L-RGB - 36mm unmounted

♦ Better colors with KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.

♦ Astrodon filters are coated to the edge