QHY268M-PH Monochrome Photographic APS-C Camera
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QHY estimates that 2-inch filters are large enough to cover the whole sensor area, but they’re expensive. As an alternative, QHY estimates that a 36mm filter can be matched with scopes whose focal ratio is smaller than f/4. However, if your scope has a large focal ratio like f/2.8, QHY recommends 2-inch filters.
| Model | BFL Consumed | Filters Supported |
| QHY268M
QHY268C (New Version after 2023) | 12.5mm | |
| CFW3M-US | 17.5mm | 7 position
36mm unmounted |
| CFW3L | 21.5mm | 7 position
2inch mounted/50mm unmounted |
| OAGM | 10mm |
The New Combo B1 is designed to be more flexible to achieve multiple output specifications. Since June 2023, QHY is adding a 5mm spacer with M54 threads into Adapter kit B1. This addition gives the user a choice of terminating the output in either M48 or M54 threads. You can get 55/56mm BFL with M48/M54 threads according to your needs. Since these are standard accessories included with the camera, this addition has no affect on the price.
55mm M48/M54 are suitable for standard flatteners and multiple purpose coma correctors (MPCC), while 56mm M54 threads are common for Takahashi reflectors.
The QHY600M-PH SBFL and QHY268M with CFW3L filter wheel can fit an optional Canon EF or Nikon F Lens Adapter without additional spacers. Smaller filter wheels may require additional spacers.
Related Products
QHY268M PH Camera with Filter Wheel (Medium-US) and OAG-MQHY-120008 Call for pricing and availability.
