05-07-2019 12:20 PM
I have a Canon 7D and used the Canon Lens 17-40mm f4L every day. This lens never fell or was hit. There is no visible why the lens has stopped snapping into the camera. It's like there's something blocking the fit. I can use other lenses in 7D as usual. I wonder if anyone has gone trough something similar and has managed to solve this problem; Thanks!
05-07-2019 02:21 PM
Look for a piece of debris perhaps stuck in the depression that the locking pin snaps in.
05-07-2019 08:06 PM
Also verify that all of the screws are tight.
05-07-2019 08:09 PM
I forgot to mention - also verify that the lens lock button on the camera moves freely and isn’t sticking.
05-08-2019 10:58 AM
"...also verify that the lens lock button on the camera moves freely and isn’t sticking."
Hmmm, doesn't sound likely does it?
"I can use other lenses in 7D as usual"
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