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PostPosted: Thu Sep 13, 2012 9:21 am 
Hi all - newbie here!

I took my EOS 5D MKII out yesterday and took some portrait photographs only to find a grey spec on all my images. I don't see it through the viewfinder and the spec is in exactly the same place on all my photos. Thankfully it wasn't a paid shoot.

My question is, does it look like a full sensor clean is required and if so can anybody recommend any "While you wait" service in the Hampshire/Berkshire/Surrey area as I need it for the weekend!

Thanks in advance

PostPosted: Thu Sep 13, 2012 9:52 am 

Joined: Sat Apr 07, 2012 10:22 pm
Posts: 597
Location: Alexandra, Central Otago, NZ
I had a similar issue with my 550 and I took the lens off and checked the mirror to find a small spec of dust, very noticeable under direct light. So using a cotton bud I just touched the spec, seemed to get it, gave it a puff with a dust removal blower and voila, clean image.

Worth just checking.

Canon 550D, Canon EFS 17-85 IS USM, Canon EF 75-300 IS USM, Canon EFS 10-22mm USM, Canon EF35mm F2.

Got some of the gear but really still no idea...:)

PostPosted: Thu Sep 13, 2012 10:09 am 
Thanks for the reply robbon44

Sorry should have said that I've used a blower on the Mirror etc and the spec hasn't moved

PostPosted: Thu Sep 13, 2012 12:05 pm 
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Joined: Sun May 25, 2008 12:48 pm
Posts: 8087
Location: UK
You need to use the blower on the sensor. To reach it, activate the "manual clean" option in the menu somewhere. That will flip up the mirror, open the shutters and expose the shutter for you.

Also a single speck in images isn't the end of the world. You can work around them with photoshop or similar to edit it out. Just a little extra work so still worth cleaning.

As for places to clean it for you, do you have local independent camera shops you can ask? Mine offers the service although I have the kit to do a wet clean at home anyway. Personally I wouldn't put anything physically onto the sensor other than dedicated cleaning products as it is too easy to leave more dirt on it than was on there in the first place!

Canon DSLRs: 7D2, 7D1, 5D2, 1D, 600D, 450D full spectrum, 300D IR mod
Lenses: EF 35/2, 85/1.8, 135/2+SF, 70-300L, 100-400L, 100L, MP-E 65, EF-S 10-18, 15-85
3rd party: Zeiss 2/50 makro, Samyang 8mm fisheye, Sigma 50/1.4A, 150 macro, 120-300 f/2.8 OS
Compacts: Sony HX9V, Fuji X100.

PostPosted: Thu Sep 13, 2012 11:28 pm 

Joined: Wed May 09, 2012 10:34 pm
Posts: 1417
Location: Mexico City, Mexico
Just a thought, if you're only using one fixed lens, the lens might be the problem, but I really don't think so.

Gear: Canon SX20 IS, Canon Rebel T3i, Canon EF-S 18-55mm, Canon EF-S 55-250mm f/4-5.6 IS II, Canon EF 50mm f/1.8 II
Wishlist: Canon EF 100-400mm f/4-5.6L
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PostPosted: Fri Sep 14, 2012 8:33 am 
Thanks for all the replies - definitely not the lens as have tried different ones. Managed to find somewhere but they need to send it off and charging £60!

I'm really not confident of doing the self clean as don't want to cause more than £60 of damage!

Thanks again for the replies guys

PostPosted: Fri Sep 14, 2012 11:06 am 
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Joined: Mon Sep 13, 2010 7:01 pm
Posts: 1249
Location: NW England
My local camera shop charged me £35 a few months ago. Suppose it depends on location? (1 of the few advantages of living oop North I suppose. :roll: )
Where is your nearest shop/dealer?

Image btw,He who dies with the most toys, WINS!
Nikon D800E & D700 bodies + Nikon 200-400mm F4 VR1, 50mm F1.4G, 16-35mm f/4G VR, 105 F2.8 VR macro, 70-300mm lenses. A couple of filters, Giotto tripod & ballhead. Lowepro Slingshot 302 AW

PostPosted: Tue Sep 25, 2012 8:18 am 
Thanks all - a simple blower and youtube meant I cleaned this myself and now we're back in perfect working order!

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