A few years ago I obtained an underwater waterproof housing case for my Canon Powershot S110 this wasn't the
WP-DC47. This was an Unbranded housing the housing from Citiwide-Online and is labelled M061-1312-340 on the front. It came with 2 x silcone O rings which was great but given the amount my girlfriend and myself dive the O ring soon became loose after about 6 months so we used the spare and I set about trying to acquire some more.
This was when they problems started I contacted citiwide and they could not provide me and spares to buy and when i tried some branded O rings they were loose and didn't make a good seal the most important thing with an underwater camera. So I was at a loss on what to do, I searched the web and tried to find anyone who had O rings that would fit but all I found were people who had the same issue is me and I just hit a lot of dead end in my search, so it looked like I has two choices:
1) Throw the housing away and buy a branded housing (Expensive and wasteful)
2) Find somewhere that could supply me some O rings which fitted the camera. which was tricky and time consuming as I didn't know the size and all I had was the loose yellow O ring.
Well I decided to do number 2 and went after a bit of google-fu to
http://www.polymax.co.uk to source the silicone and nitrate O rings trying to see if I could get the correct diameter, length and material,
As you can see I went through quite a few different materials lengths and sizes but after many weeks till I found the correct size. It was very much a trial and error process.
Which does mean I have a massive amount of spare silicone
I can use for technical diving for my harness.
So as I said above I found an O ring which works in the camera and seals well for the M061-1312-340 underwater camera housing. The O ring is a British Standard O-ring, 110.72mm Long with Cross Section Diameter of 3.53mm its labelled as BS245SR70.
You can find them on the link here on the Polymax site.
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So today is election day in the United Kingdom so I've created to playlist to get you through all those boring political debates while trying to stay awake to hear the results.
