Omegon OIII Filter 1,25

Lumicon Oxygen III Filter - 1.25 # LF3040

APM Telescopes. Omegon Nebula/ city light filter 1.25

Astronomik ASO32 OIII Filter 12 nm - 2 inch mounted-8h0045 - Teleskop-Express

OIII Filter First Light Optics

1.25 OIII 6.5nm Filter Optolong Narrow Band Filter

Omegon Filters Pro 1.25'' OIII CCD Filter : Electronics

Filter IR685 IR-PAss S-serie 125 - Player One

Omegon Filters Color filter set 1,25'' (6 pieces)

Baader Filters H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 1.25