July 26, 2014, 04:11:24 PM

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Topics - DominoDude

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I was out on a trip yesterday, and was standing in/at a waterfall and decided my 400/5.6L was not the proper lens to have on. Found a solid stone and made the camera balance on the lens hood, backed it up with my backpack and my leg. It didn't take more than a few seconds before the camera decided it wanted to try close-ups of some of the stones and the water - all on its own...

Lets just say that I didn't let it lay there for all that many seconds. I'm slow, but my reactions were triggered by the bouncing sound against the rock and I, probably, had my fingers on the body as soon as my expensive package stopped skidding in the mud.

Apart from brushing off all visible and easily removable sand/mud and water drops from the body and lens, what should I look out for now?

I did shoot a few frames with another lens soon afterwards, and the body seemed ok (I haven't taken the card out of the camera yet or tried downloading anything). When I got home I figured the best thing to do was to just have everything dry up, so that I can clean it properly and inspect it in a day or so.

What I have noticed is that there are scratches on the body and some colour is missing in those scratches, some finer sand particles are in between the metal and plastic on the hotshoe and near the flash. The 400/5.6L have a clearly visible dent almost as wide as a finger and it's a millimeter or two deep. The lens hood can be slid over it, and it locks (almost) as before, some wiggling and odd sound can be heard while doing so. It feels like I can do a full twist of the focus ring, and no extra noises could be heard, nor did I feel that it was stiffer to move than usual. I haven't had the nerve to try and rattle the lens - far too afraid it will make noises that equals repairs that I can't afford.

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I just found out yesterday that there's, at least, one new lens to have optimisation data in the DLO (Digital Lens Optimizer). This information is for those that use Canon's Digital Photo Professional to process their photos.

The lens I found data for is the EF 400/5.6L.

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