EOS Lens Adapter for EFW and ASI1600

ZWO Canon EOS lens adapter for EFW and ASI1600 (ZWO). The adapter connects a Canon EF lens to a ZWO ASI1600 camera through an EFW filter wheel. It allows a photographic lens to be used in an astrophotography setup with interchangeable filters. This is a mechanical adapter without electronic lens control.

Key features

• connection of a photographic lens to an ASI1600 camera and EFW filter wheel
• bayonet for Canon EF lenses
• designed for a configuration with a short distance from the sensor to the camera’s front connection
• mechanical lens attachment; the lens must allow focusing without electrical power

Included items

• adapter for a Canon EOS lens, EFW filter wheel and ASI1600 camera

Technical specifications

• manufacturer: ZWO
• lens mount: Canon EF; not compatible with EF-S
• application: ASI1600 with a ZWO EFW filter wheel
• required camera-body back focus in this configuration: 6.5 mm, after removing the 11 mm spacer ring
• aperture and autofocus control: none
• camera, lens and filter wheel: not included

The adapter enables an imaging setup combining a Canon EF lens, ASI1600 camera and EFW filter wheel, provided the correct lens-to-sensor spacing is maintained.