Re: How to waterproof Canon G7?
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Re: How to waterproof Canon G7?         

Group: alt.photography · Group Profile
Author: cicada
Date: Sep 21, 2008 03:01

On Sep 16, 12:10 pm, "dadiOH" invalid.com> wrote:
> cicada wrote:
>> On Sep 16, 8:58 am, "dadiOH" invalid.com> wrote:
>>> cicada wrote:
>>>> I'm going whitewater rafting. The real thing to waterproof CanonG7
>>>> is this Canon DP-WC11 at $150
>>>>http://www.amazon.com/gp/product/B000JIOG5I. Since I hardly ever
>>>> take any picture below the water, I want to
>>>> skip that and go the cheap route. Has anyone tried any other thing
>>>> to waterproof aG7? Did it work well for you? Thanks.
>
>>> 1. Get a zip lock bag
>>> 2. Attach a UV filter to it on the outside with a retaining ring on
>>> the inside
>>> 3. Cut out the bag plastic where the filter is
>>> 4. Put camera inside, screw into retaining ring
>>> 5. Zip up bag
>
>>> Good for rain and splashing, not immersion.
>
>>> --
>
>>> dadiOH
>>> ____________________________
>
>> Sorry I still don't get how you carry out all the steps.
>
>> How do I put a retaining ring onG7?  What is a retaining ring?  What
>> is a UV filter?  Can you show me a product link?
>
>> What do you mean by 'screw into the retaining ring'?
>
> I just looked at a picture of your camera.  It doesn't look like you can
> even PUT a filter on the thing.  Umpteen auto settings but no threads on the
> lens mount for accessories.  Jeez, what's photography coming to?
>
> If you cannot mount a filter on your camera, you'd need something like
> these...http://www.lensmateonline.com/newsite/G7.htmlhttp://www.fotodiox.com/shop/product_info...
>
> Most lenses have threads inside the front part of the lens.  Those are for
> screwing in filters, lens hoods, etc.  A retaining ring has internal and
> external threads.  It can be screwed into a lens and other things can then
> be screwed into it.  Or maybe I'm thinking of step up/down rings, been a
> while.http://www.thorlabs.com/newgrouppage9.cfm?objectGroup_ID=1535
>
> UV filters are untraviolet light filters.  They remove part of the UV light
> but don't change exposure or color.
>
> To restate my original post in a different manner, the idea is to get the
> camera into something reasonably water tight (the ziplock bag) with a hole
> in it for the lens to shoot through (so the plastic of the bag doesn't
> distort the image) and to cover that hole with the filter to maintain water
> tight integrity.  The hole in the bag has to be small enough so that the
> edges are captured between the camera and filter when the two are screwed
> together but not so small as to protrude into the image area.
>
> Read here...http://www.camerafilters.com/
>
> --
>
> dadiOH
> ____________________________
>
> dadiOH's dandies v3.06...
> ...a help file of info about MP3s, recording from
> LP/cassette and tips & tricks on this and that.
> Get it athttp://mysite.verizon.net/xico- Hide quoted text -
>
> - Show quoted text -

Would this filter work? I don't know how it attachs to Canon G7. But
if it's out there in the market, it must has a way to do it. Right?
Then I'll be able to put a Ziplog bag around it as you instructed.
Good?

http://cgi.ebay.com/Filter-58mm-Tube-UV-PL-DIFF-MACRO-For-CANON-G9-G7_W0QQitemZ1...
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