View Full Version : how to check damage 
 
Cynthia Granville December 25th, 2013, 03:11 PM Happy Holidays all! unfortunately as part of my own holiday, a disabled family member knocked my 7d with the 50mm 2.8 attached off a table and it took about a two foot drop onto carpet.  it does turn on...but i realize it's not tupperware.  is there any process i can go thru to check for likely areas of damage, or am i stuck with paying canon to give it a going over?  any advice is much appreciated!!  
Bruce Phung December 25th, 2013, 03:39 PM If it is mine,  I would leave it alone if everything still function fine.  The 7D is a pretty well built can easily take a 2 foot drop on to the carpet.  Just my thought.  
James Manford December 25th, 2013, 04:25 PM If it works, just leave it! 
 
I've once had a spec on my camera sensor that realistically didn't need removing, but became so OCD about it that I ended up smearing more dirt on to it trying to clean it! and in the end had to spend £30 on some liquid and special brush tips to clean it properly. If I had just left it alone, I wouldn't have had to go through that hassle at THAT point in time.  
Charles Newcomb December 25th, 2013, 10:52 PM I wasn't quite sure how to advise you on this without having experienced it, myself, so I intentionally dropped my 5D MK3 with the 70-200mm attached to see what would happen. 
 
Just kidding. It was only the 24-105mm. 
 
Okay. Okay. So I lied. I made the whole thing up. The Nyquil made me do it. 
 
Anyway, this brings to mind an old saying: If it ain't broke, don't fix it. 
 
Hope all is well with your rig. 
 
Happy New Year.  
Justin Molush December 26th, 2013, 10:48 AM My 7D has survived -40c, being dropped on tile and ice, scraped along the road while I was hanging from a car, snowstorms, dust in the Nevada deserts, and I've never serviced it. 
 
Landing on carpet sounds like a luxury ;)  
Charles Newcomb December 26th, 2013, 08:39 PM My 7D has survived -40c, being dropped on tile and ice, scraped along the road while I was hanging from a car, snowstorms, dust in the Nevada deserts, and I've never serviced it. 
 
Landing on carpet sounds like a luxury ;) 
 
Is yours the one on Craigslist that says "pristine condition?"  
Robert Benda December 26th, 2013, 10:33 PM Something like this you would have to send it into Canon for servicing.  It may be fine.   
 
My only experience was with a lens sitting out on a table while getting swapped got knocked down about 3 feet and seemed OK.  Next week, at some point I realized the aperture wouldn't change anymore.  I guess that it was damaged, but it was some smaller jostle in my camera bag that broke the camels back.  
James Manford December 27th, 2013, 10:35 AM Is yours the one on Craigslist that says "pristine condition?" 
 
Haha !!! i've seen some nasty pieces of equipment passed of as pristine condition!  
Warren Kawamoto December 28th, 2013, 02:10 AM Other than obvious cracks or dents, when you have time, shoot a blank, white wall.  If you see uneven vignetting, your lens mount may be bent out of alignment.  Also check that your lens distance scale is correct.  An object 5 feet from your focal plane mark should read exactly 5 feet.  If not, the camera could have landed on the lens which pushed the mount inwards, closer to the focal plane.  
 
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