Saturday, September 21, 2013

Waterproof camera for diving?

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Salty


I am thinking of purchasing a waterproof camera for scuba diving less then 25m depth. I like a point and shoot camera and not particularly interested in the finer points. Should I get a waterproof case for my current camera and use that or spend around £100 on a specially designed waterproof camera.


Answer
100 pounds will be just about enough to buy a decent enough housing for your camera, providing one is made for it. Check the web site of your camera manufacturer to see if they have one to fit your particular model. Another source for a housing is Ike Lite http://www.ikelite.com/ . Use the charts there to see if your camera is listed. An Ikelite housing will cost a bit more than a camera manufacturer's housing since they are more robust and have a 200 foot depth rate, but they are good. I own one for my Canon.
As for amphibious cameras. These cameras are essentially all in one units. They come in a waterproof case in some models, they can't can't be removed from. Most decent ones will be rated for a 30M depth or a little more and have the ability to be removed from the housing.
It's doubtful you'll find an amphibious camera for 100 pounds that's decent. Good ones usually start at 150-200 pounds. Examples of this type of camera are Sea&Sea , Bonica and SeaLife. All are good manufacturers and offer a wide range of products.

Buy a housing for your current camera or buy an amphib? That's going to be a personal choice and budget thing. For myself, I chose the housing route because I really like my camera and it's functions. I couldn't find an amphib that matched it's performance. I also like NOT having to lug two cameras around, buy extra memory cards, spare batteries and the like.
Edit: Those 25 dollar cameras are the disposable film ones. They are also for the most part, limited to "16 feet" meaning they actually are good to 15 feet or two atmospheres. Great option if you don't intend to do more than a holiday pic but green, they ain't. The cases are recylcled as best they can but not 100%. Yup...you get a recycled camera and case that's fine for light duty use.
Bottom line with dive gear no matter what you're purchasing is:
You get what you pay for. There are no deals on quality equipment, just discounts for regular shop customers. Buy it online, expect online service. Buy it at a physical dive shop and if you're not happy you have a ton of options.
Ebay, I'd avoid like the plague. Uhh huh, saw some Russian rebreathers in there the other day that some idiots bid on. The next divers to die for a deal online and not the first.
What happened to "if it's too good to be true......."?

How Waterproof is the Sanyo VPC-CA9?




tda_good


This is a question to the technical guys, not the people who have read the spec and want to guess at the answer please.

Sanyo say their camera VPC-CA9 is waterproof to 1.5 meters. Ok this is quite specific and there must be a margin of safety. I.e. testing to like 7m but they but 1.5 so people don't start sending them back faulty.

Does anyone know how waterproof it really would be if a company is stating 1.5m?



Answer
People do not realise that the actual maximum depth is a static depth, IE no movement, Most cameras will go through a test, one in 100 if that passes then the batch is ok. so maybe double the depth they have stated, but that wil only go for the ones they have tested, you may be lucky and it will go to 4m but do you want to take that risk, and find out that your batch did not fully pass the test.

as a rule of thumb whatever you maximum depth is say you go skin diving and swim down to 10m then I would be looking at a camera that could go to 30m The deeper you go the more expensive the casing (housing) is, I dive normally to a maximum of 70m (trimix) my cameras housings are all rated to 220m ish, made that mistake a few years ago with a $5000 camera the housing was rated to 100m it bumped into a rock, that was it crushed and very wet.

If you camera is rated to 1.5m then don't go deeper than that, the pressure changes the most from 0-10m, there Only has to be a small fault in a seal and you have ruined your camera. Everything that is made has a tolerance but you don't know at which end your camera is.

Hope that helps

RR




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