Specifications

Another filter wheel can be also ordered separately. Replacing the whole filter

wheel is easier than replacing individual filters. It is possible to thread for

instance LRGB filter set into one wheel, BVRI set into second wheel and

narrow-band filters (Hα, OIII, ...) into the third one.

Filter Wheel for six 1-inch glass-only filters

Another option is using of 1-inch, glass-only filters in 6-positions filter wheel.

1-inch filter is big enough to cover all sizes of CCD chips used in G2 CCD

cameras. This filter wheel allows for instance using of complete UBVRI filter

set and leave one position for Clear filter or empty.

Each filters is fixed in the wheel by three plastic M3 screws.

Warning:

Filter wheels with different number of filter positions cannot be used

interchangeably in one camera without changes in camera firmware. Camera

must be sent to the manufacturer if the user decides to use filter wheel with

different number of positions.

LRGB filter set

High quality 1.25" LRGB filter set optimized for CCD imaging. This set

Illustration 7: Five-positions filter wheel (left) and six-positions

filter wheel (right)