This filter drawer designed for a Nikon lens has a thickness of 29mm and is perfect for housing 2-inch filters when connecting a Nikon lens to an ASI cooled camera.

To connect to a full-frame camera, you will need an M54M-M42F adapter.

Adapter Type	Canon (EF Mount)	Nikon (F Mount)	Thread
Lens Adapter Only	ZWO-EOS-T2-II	ZWO-NIKON-T2-II	M42 x 0.75
Lens Adapter w/ Filter Drawer	ZWO-FD-EOS	ZWO-FD-Nikon	M42 x 0.75
Additional Filter Holder for Filter Drawer	ZWO-F-HLDR-DSLR	ZWO-F-HLDR-DSLR	—
Lens Adapter to 2" ZWO Filter Wheel (ASI6200, 2400, and 2600 cameras)	ZWO-EFW2-EOS	ZWO-EFW2-NIKON	M54 x 0.75
Lens Adapter to 1.25"/31mm/36mm ZWO Filter Wheels & Other Cameras	ZWO-EFW-EOS-II	ZWO-EFW-NIKON-II	M42 x 0.75

 

Default compatibility with all ASI cooled cameras having a 17.5mm back focus distance including the following camera series:

• ASI1600
• ASI294
• ASI183
• ASI071
• AS533
• ASI2600
• ASI6200
• ASI2400

• Filter drawer designed for connecting a Nikon lens to a ZWO ASI cooled camera.
• 29mm thickness housing 2-inch filters.
• Compatible with ASI1600/294/183/071/533/2600/6200/2400

• ZWO Nikon Filter Drawer