Filters

Red photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""b...

Red filter for color rendering with RGB set Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions o...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

UV photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or ""ba...

UBVRI filter set for photometric imaging Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or "...

Green (Visible) photometric filter in UVBRI series Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distor...