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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 15 Jul 2009 (Wednesday) 00:58
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Canon 28-70 f/2.8 L Front hood ring fell off....

 
FWN
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Jul 15, 2009 20:49 |  #16

Whatever you do, NEVER, use super glue on a lens or anything with optics. The fumes from the glue can fog the glass (I've heard it etches into it). Surprised no one else has mentioned it yet.

Looks painful though, hope you get it sorted quick.


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bobster1
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Jul 16, 2009 02:46 |  #17

I got an estimate for repair which includes a "calibration"... They said they need to send it to the mainland for the repair and calibration. They quoted me somethin like $150.00 They told me the calibration will do wonders with my lens. I hope they are not trying to jerk me around and milk my $150.00... But if the calibration makes a "big difference" I got no problem paying. Have any of you had your lens calibrated? And is is a big difference? Thanks everyone for your inputs.


50D | 50mm 1.8 II | 24-70L 2.8 | 70-200L 4.0 | Tokina 11-16 2.8 |580ex | and wanting more L Glass... :cry:

  
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bobster1
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Jul 16, 2009 02:47 |  #18

FWN wrote in post #8287637 (external link)
Whatever you do, NEVER, use super glue on a lens or anything with optics. The fumes from the glue can fog the glass (I've heard it etches into it). Surprised no one else has mentioned it yet.

Looks painful though, hope you get it sorted quick.

Thanks for the heads up, really makes sense....


50D | 50mm 1.8 II | 24-70L 2.8 | 70-200L 4.0 | Tokina 11-16 2.8 |580ex | and wanting more L Glass... :cry:

  
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timnosenzo
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Jul 16, 2009 05:49 |  #19

bobster1 wrote in post #8289207 (external link)
They told me the calibration will do wonders with my lens. I hope they are not trying to jerk me around and milk my $150.00... But if the calibration makes a "big difference" I got no problem paying. Have any of you had your lens calibrated? And is is a big difference?

I think the difference you see after calibration will depend on how bad it was in the first place. :)

24-70's are sort of known for their focusing issues, so IMO it's the kind of lens that could be worth getting calibrated every now and then. But if you never noticed any issues before, you may not notice any improvement afterward.


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jerokaz
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Jul 16, 2009 12:10 |  #20

I dropped my 28-70 2.8 and the mount broke off the barrel of my lens. I sent it in to Canon with the body it was attached to and noticed a big difference when I got it back. The lens and camera combo was super tack sharp. I bought both pieces used and had used them for about 6 months until my unfortunate accident. I guess a blessing, cuz I them back in much better shape than they left.


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Canon 1DMKII, 20D Gripped, 24-70 2.8L, 70-200 F2.8L, 400 5.6L, 1.4 TC MK2, 50 F1.8 MK2, 85 F1.8, 18-55 Kit, 580 EX MK1, 430 EX, 420 EX, ST-E2, CP-E3

  
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Canon 28-70 f/2.8 L Front hood ring fell off....
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
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