A lunar and planetary filter set with four high quality selected glass colour filters in aluminium cells. Yellow, Red, Green & Moon/Neutral Density Filters are included to enhance views of the moon and planets through any telescope. These filters will fit any eyepieces or accessories with internal filter threads. Supplied in attractive foam lined protective plastic screw top storage case.
The Wratten numbers and colours are as follows:
Yellow #12
Red #23A
Green #56
Neutral Density (Moon filter)
