Canon EF gods helllpppppp

[j-dogg]

I have a 28-90 and an 80-200 that throw the Canon screen of death on my Rebel DSLR and a Canon EOS 650. My Nifty Fifty and Tamron 18-270 are fine. I get it if I step down my F-stop especially. It seems to be random but most common at f8.

Contacts are cleaned. halp!

 

[Whiteymorange]

Perhaps the wrong forum for a question like this? I'm sure more digital types would have quicker and better answers

 

[hpulley]

Hey, I have a 650 and a 28-80 II with exactly this problem so it is the right place to ask

The death is a problem with the aperture. Either the motor is dead or the lubrication on the blades is seized up or moisture has gotten in there.For such cheap lenses as the 28-90 (or my 28-80 II) it isn't likely worth repairing them but if the 80-200 is the "magic drainpipe" then it is likely worth having fixed.

Temporarly stop-gap measure is to use the lenses wide open or often I find if you put them at f/22 and press the DOF preview a zillion time it will work out the problem if it is mostly a lubrication issue. If the aperture motor is dead of course it won't help.

 

[j-dogg]

I hear clicking on the 80-200, it's the 4.5 slowmatic version. I think both lenses are fucked.

 

[hpulley]

Aperture motors are probably dead, sorry about your luck, problem with the EF mount all electric everything. They aren't the most expensive lenses at least.

 

[MattKing]

If you were up in my corner of the continent, $40.00 might get you a replacement lens and a camera too!:

http://vancouver.en.craigslist.ca/bnc/pho/2104490732.html