QHYCFW3-S
Small size filter wheel. Supports installation of 6 36mm frameless filters and installation of 7 1.25-inch filters. The filter wheel thickness is only 15.5mm.
QHYCFW3M
Medium size filter wheel. Supports standard five-hole 2-inch filters or 50mm frameless filters. And can replace the seven-hole 36mm frameless filter disc. The QHYCFW3-M is available in two models: QHYCFW-3-M-SuperSlim and QHYCFW3-M-Standard. The thicknesses are 17 mm and 21.5 mm, respectively. Weighs 675 grams and 705 grams respectively
QHYCFW3L &QHYCFW3XL
Large and oversized filter wheels. Large support for 7 round 2 inch filters, oversized support for 9 round filters or 7 square 50mm filters
1, 5 round filter disc, it is recommended to choose LRGB+Ha filter;
2, 7-wheel filter disc, it is recommended to choose LRGB+Ha/SII/OIII filter;
3, generally according to the size of the camera to choose the corresponding filter wheel aperture, large size filter wheel can be compatible with small size chips, and small size filter wheel can not be compatible with large size chips (shadow angle will appear);
4, 1 inch = 25.4 mm;
5, the filter is generally circular, unless specifically marked SQ, is a square size, such as 50mm SQ = 50 * 50mm;
6, 1.25", 2" is the size of the mirror ring, but the effective aperture will be smaller than the marked;
7, marked 2" / 50mm, meaning compatible with 2" ultra-thin filter, or 50mm frameless filter;
8, after using the filter wheel, you need to consider the effect of the optical path difference caused by the filter;