Problem w/ Canon 85 1.8 - DPChallenge Forums

Tamron SP AF 28-75mm f/2.8 XR Di for Canon

08/05/2007 11:14:27 AM · #1

I recently purchased a new Canon 85 1.8 USM

When I take a shot the lens stays stopped down to the aperture that the picture was taken at. It takes the shot, but I get an "Err" on the LCD of the 5D. This is the only lens that is affected.

For some reason the aperture baldes to not return to the full open position.

Anyone seen this?

strangeghost

Canon EOS-7D

08/05/2007 12:10:47 PM · #2

Have you tried the 85 on a different camera?

08/05/2007 01:30:51 PM · #3

Originally posted by strangeghost:

Have you tried the 85 on a different camera?

No, I only have 1 camera. But I have 4 other lenses and they all work fine.

Canon EF 28-135mm f/3.5-5.6 IS USM

08/05/2007 05:11:15 PM · #4

anyone?

ragamuffingirl

Sony Alpha NEX-5N

08/05/2007 05:46:55 PM · #5

If you bought the lens new and it's under warranty, send it back to Canon.

undieyatch

Olympus E-10

Canon EF-S 10-22mm f/3.5-4.5 USM

08/05/2007 07:28:55 PM · #6

Interesting development. I have heard of manual lenses which are prone to that - particularly the Nikor 55mm micro. Squirt some wd40 down the lens barrel...... no probably not a good idea. Something is sticky in there. Sending it in or make an exchange is about the only alternative you have.