R31+R27 Compatible Rear 4P Tilter Plate Adjustable Mount This is a compact

This is a compact

narrowband emission-line filters like the OIII filter are essential for capturing stunning deep-sky images

These rings open up a world of possibilities for your telescope

and industrial imaging

but requires very long exposure times

R31+R27 Compatible Rear 4P Tilter Plate Adjustable Mount This is a compactRear 4P Tilter Plate Compatible with R31+R27 This Rear 4P Tilter Plate is engineered specifically for the Player One Carbon Fiber cooled cameras, offering seamless connectivity to various Phoenix filter wheels and the Filter Drawer MAX. Compatible Cameras: Ares series, Uranus PRO series, Apollo PRO series. Compatible Filter Wheels: Phoenix wheel 7X36mm, 7X2", 7X50mm, and 5X2"; Filter Drawer MAX. Material: 6061 T6 Aluminum Adapter: M42*0. 75 female