Don’t sell them all as you can mount an EF lens on FX mount.
You can buy adapters for the Fujifilm X camera that allow you to mount an Canon lens on Fujifilm camera, these are XF to EF adapters that you can buy online and possibly in a camera store.
One thing to note is that this adapter will be Manual Focus only.
Use Canon EF Lens at Native Aperture
The aperture on the EF Lens is controlled electronically by the EOS Camera its attached to. Otherwise when not connected to a Camera body the lens sits wide open at its native aperture, so if you have F1.8 lens it mean it remains at F1.8. If you have a F4 lens, it remains at F4.
So to use these lens at their native aperture, you can simply attach the lens by following the steps below. Skip Step 1 and follow from Step 2 to 5 in the section “Use Canon EF Lens at Specific Aperture“.
Depth of Field (DOF) button
This button is located near the bottom of the lens mount either on the left or right of the camera body. Depending upon your model of the camera you may want to refer to the Instruction Manual of your specific model. It let’s you preview the depth of field that will be achieved when you press the shutter.
For example, if you are shooting with a lens that is F1.8 natively but in Aperture Priority or Manual mode you’ve set the Aperture to F2.8 then pressing the DOF button will change the lens aperture to F2.8. Here is where this button is by default on Canon 80D and 7D.
Use Canon EF Lens at Specific Aperture
Step 1
Lock the aperture of your lens with Depth-of-filed button on the Canon camera.
To change the aperture later on, you will need to re-attach the lens back onto the Canon camera body.
Step 2
Detach the lens while the camera is on and DOF button is pressed. Now your lens is locked to aperture you selected.
Step 4
Attach the lens to your adapter.
Step 4
Mount the lens with the adapter on the Fujifilm X camera. Here we are attaching to an X-T1.
Step 5
Make sure that you switch the lens and camera to MF (manual focus).
Tip: Turn on Focus Peaking if your Fujifilm X Camera has this feature. It makes manual focusing super easy!!
Disclaimer
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Are you serious? that’s completely impractical. Who’s got time to do this? and also carries the old camera body with him all the time, although he now has the nice light fuji.
Hans-Peter, not everyone sells all their old Canon gear. Why would you keep a lens if you don’t have a body to go with it?
In my case I still use Canon for Video and vlogging so I actually have two bodies. I don’t take them with me though. For example I set the Aperture to F8 on my Tokina 11-16mm f2.8 lens and use it’s wide angle capabilities for landscapes. The Canon body stays home only the Lens and adapter come with me in my bag.
What about kipon adaptor with aperture control? It’s a dial 1-10 so you guess what is your aperture, but i think it’s a little easier than the ‘trick’ you mentioned above (which might cause damage to the lens)
Good luck
Hi Idan,
I haven’t tried the Kipon Adapter with aperture dials so I can’t comment on it. But I am certain that doing what I describe doesn’t damage your canon lens.
Cheers
Harmeet
Hi Harmeet,
Which adapter are you using? I assume we have the same (K&F).
What are your thoughts on having to do manual focus all the time and adjusting focal length at the same time? With the L lens, the makeup becomes quite front heavy also. Any tips?
Andy
Hi Andy,
Yes, it is front heavy but I just hold the camera by the lens instead of the body in this case. This ensure no extra load on lens mount.
Regarding manual focus, if you turn ON focus peaking then it becomes really easy to focus.
Hope this helps
Cheers
Harmeet