ZWO Canon EOS Lens Adapter for 2" Electronic Filter Wheel
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This Canon Lens Adapter for ZWO 2" Electronic Filter Wheels allows you to connect large format ZWO cameras with a ZWO filter wheel to a Canon EF (full frame) mount lens. Please see the full compatibility list below to ensure this adapter is correct for your camera.
There are four Canon lens to ZWO camera adapters:
- ZWO Filter Drawer for Canon EOS Lens # FD-EOS - best for color cameras with use of a 2" filter
- ZWO Canon EOS Lens Adapter for 2" Electronic Filter Wheel # EFW2-EOS - best for large format monochrome cameras that use a 2" filter wheel (this product)
- ZWO Canon EOS Lens Short Adapter for Electronic Filter Wheel # EFW-EOS-II - best for small format monochrome cameras that use a 1.25"/31mm/36mm filter wheel
- ZWO T2 Thread to Canon EOS EF-Mount Lens Adapter for all ASI Cameras # EOS-T2-II - best for connecting most ZWO cameras without the need for quickly changing filters
Compatibility with Canon Lenses:
This adapter is compatible with Canon EF (full frame DSLR) Canon lenses only. It is not compatible with EF-S (crop sensor DSLR) lenses or Canon mirrorless lenses.
Compatibility with ZWO Cameras:
This ZWO adapter allows you to attach a Canon EF (full frame) EOS lens to select ZWO cameras that have a backfocus of 17.5mm via ZWO's Electronic Filter Wheels (EFW). This includes all cooled (Pro model) cameras that have an APS-C sized sensor or larger. It has a female EOS bayonet mount on the lens side and a male M54x0.75 thread on the other side which connects to the 2" EFW. The EFW, in turn, connects to the ZWO camera.
Compatibility with ZWO Filter Wheels:
- ZWO 7-Position Electronic Filter Wheel for 2" or 50.4mm Filters # EFW-7x2
- ZWO 5-Position Electronic Filter Wheel for 2" Mounted or 50.4mm Unmounted Filters # EFW-5x2
- This product cannot be used with 1.25"/31mm/36mm EFWs and you will need EFW-EOS-II if using a 1.25"/31mm/36mm filter wheel.
How to Connect the Canon EOS Lens Adapter for 2" EFW
Note: The sensor tilt adapter will need to be removed before you mount the camera to the 2” EFW.
Detailed Instructions:
- Prepare the ASI camera, Canon lens adapter, Canon lens, 2” EFW, screwdriver and hexagon wrench
- Use the hexagon wrench coming with the camera to remove the sensor tilt adapter
- Use the screwdriver to remove the back cover of EFW
- Disassemble the filter wheel carousel (Note: Please do not disassemble or move the central screw of this carousel, otherwise the EFW will be damaged)
- Align the four screw holes of EFW with these in the four corners of the camera chip as shown below. Tighten the screws
- Reassemble the EFW
- Mount the Canon lens adapter on the back cover of EFW
- Connect the Canon EF lens to the adapter.
- All Done
Mechanical drawing:
Please Note: It is common for the silver plate on one side of this adapter to have several light scuff marks right out of the box. These items are new as received from ZWO, and these marks are purely cosmetic.
Other Information
- Country of Manufacture: China
This Canon Lens Adapter for ZWO 2" Electronic Filter Wheels allows you to connect large format ZWO cameras with a ZWO filter wheel to a Canon EF (full frame) mount lens. Please see the full compatibility list below to ensure this adapter is correct for your camera.
There are four Canon lens to ZWO camera adapters:
- ZWO Filter Drawer for Canon EOS Lens # FD-EOS - best for color cameras with use of a 2" filter
- ZWO Canon EOS Lens Adapter for 2" Electronic Filter Wheel # EFW2-EOS - best for large format monochrome cameras that use a 2" filter wheel (this product)
- ZWO Canon EOS Lens Short Adapter for Electronic Filter Wheel # EFW-EOS-II - best for small format monochrome cameras that use a 1.25"/31mm/36mm filter wheel
- ZWO T2 Thread to Canon EOS EF-Mount Lens Adapter for all ASI Cameras # EOS-T2-II - best for connecting most ZWO cameras without the need for quickly changing filters
Compatibility with Canon Lenses:
This adapter is compatible with Canon EF (full frame DSLR) Canon lenses only. It is not compatible with EF-S (crop sensor DSLR) lenses or Canon mirrorless lenses.
Compatibility with ZWO Cameras:
This ZWO adapter allows you to attach a Canon EF (full frame) EOS lens to select ZWO cameras that have a backfocus of 17.5mm via ZWO's Electronic Filter Wheels (EFW). This includes all cooled (Pro model) cameras that have an APS-C sized sensor or larger. It has a female EOS bayonet mount on the lens side and a male M54x0.75 thread on the other side which connects to the 2" EFW. The EFW, in turn, connects to the ZWO camera.
Compatibility with ZWO Filter Wheels:
- ZWO 7-Position Electronic Filter Wheel for 2" or 50.4mm Filters # EFW-7x2
- ZWO 5-Position Electronic Filter Wheel for 2" Mounted or 50.4mm Unmounted Filters # EFW-5x2
- This product cannot be used with 1.25"/31mm/36mm EFWs and you will need EFW-EOS-II if using a 1.25"/31mm/36mm filter wheel.
How to Connect the Canon EOS Lens Adapter for 2" EFW
Note: The sensor tilt adapter will need to be removed before you mount the camera to the 2” EFW.
Detailed Instructions:
- Prepare the ASI camera, Canon lens adapter, Canon lens, 2” EFW, screwdriver and hexagon wrench
- Use the hexagon wrench coming with the camera to remove the sensor tilt adapter
- Use the screwdriver to remove the back cover of EFW
- Disassemble the filter wheel carousel (Note: Please do not disassemble or move the central screw of this carousel, otherwise the EFW will be damaged)
- Align the four screw holes of EFW with these in the four corners of the camera chip as shown below. Tighten the screws
- Reassemble the EFW
- Mount the Canon lens adapter on the back cover of EFW
- Connect the Canon EF lens to the adapter.
- All Done
Mechanical drawing:
Please Note: It is common for the silver plate on one side of this adapter to have several light scuff marks right out of the box. These items are new as received from ZWO, and these marks are purely cosmetic.
This Canon Lens Adapter for ZWO 2" Electronic Filter Wheels allows you to connect large format ZWO cameras with a ZWO filter wheel to a Canon EF (full frame) mount lens. Please see the full compatibility list below to ensure this adapter is correct for your camera.
There are four Canon lens to ZWO camera adapters:
- ZWO Filter Drawer for Canon EOS Lens # FD-EOS - best for color cameras with use of a 2" filter
- ZWO Canon EOS Lens Adapter for 2" Electronic Filter Wheel # EFW2-EOS - best for large format monochrome cameras that use a 2" filter wheel (this product)
- ZWO Canon EOS Lens Short Adapter for Electronic Filter Wheel # EFW-EOS-II - best for small format monochrome cameras that use a 1.25"/31mm/36mm filter wheel
- ZWO T2 Thread to Canon EOS EF-Mount Lens Adapter for all ASI Cameras # EOS-T2-II - best for connecting most ZWO cameras without the need for quickly changing filters
Compatibility with Canon Lenses:
This adapter is compatible with Canon EF (full frame DSLR) Canon lenses only. It is not compatible with EF-S (crop sensor DSLR) lenses or Canon mirrorless lenses.
Compatibility with ZWO Cameras:
This ZWO adapter allows you to attach a Canon EF (full frame) EOS lens to select ZWO cameras that have a backfocus of 17.5mm via ZWO's Electronic Filter Wheels (EFW). This includes all cooled (Pro model) cameras that have an APS-C sized sensor or larger. It has a female EOS bayonet mount on the lens side and a male M54x0.75 thread on the other side which connects to the 2" EFW. The EFW, in turn, connects to the ZWO camera.
Compatibility with ZWO Filter Wheels:
- ZWO 7-Position Electronic Filter Wheel for 2" or 50.4mm Filters # EFW-7x2
- ZWO 5-Position Electronic Filter Wheel for 2" Mounted or 50.4mm Unmounted Filters # EFW-5x2
- This product cannot be used with 1.25"/31mm/36mm EFWs and you will need EFW-EOS-II if using a 1.25"/31mm/36mm filter wheel.
How to Connect the Canon EOS Lens Adapter for 2" EFW
Note: The sensor tilt adapter will need to be removed before you mount the camera to the 2” EFW.
Detailed Instructions:
- Prepare the ASI camera, Canon lens adapter, Canon lens, 2” EFW, screwdriver and hexagon wrench
- Use the hexagon wrench coming with the camera to remove the sensor tilt adapter
- Use the screwdriver to remove the back cover of EFW
- Disassemble the filter wheel carousel (Note: Please do not disassemble or move the central screw of this carousel, otherwise the EFW will be damaged)
- Align the four screw holes of EFW with these in the four corners of the camera chip as shown below. Tighten the screws
- Reassemble the EFW
- Mount the Canon lens adapter on the back cover of EFW
- Connect the Canon EF lens to the adapter.
- All Done
Mechanical drawing:
Please Note: It is common for the silver plate on one side of this adapter to have several light scuff marks right out of the box. These items are new as received from ZWO, and these marks are purely cosmetic.
Other Information
- Country of Manufacture: China
ZWO Canon EOS Lens Adapter for 2" Electronic Filter Wheel