This 1.25 inch filter wheel lets you use up to 9 different filters and change them within a couple of seconds
Open the filter wheel and screw up to 9 different filters into it; you can also leave the filters mounted in the filter wheel where they are optimally protected from dust and damage
The handy rotary wheel offers you incredibly fast switching between up to 9 different filters; each filter position is designated by a number
#21 Orange - The orange filter blocks blue and green wavelengths; it sharpens boundaries between orange and greenish areas; #12 Yellow - The yellow filter improves contrast on Moon craters; on Mars; channels and polar caps become more apparent
#25 Red - The red filter blocks blue and green light nearly in total; for instance; between bluish toned structures and the brighter details on Jupiter's and Saturne's clouded surface; however; this filter is mainly used to observe Martian polar caps