Q. So I am building an underwater ROV and my team needs a camera to mount onto our robot. It needs to be water proof, but if you have to buy a separate box it might be okay. It should be wireless, but we could run a Ethernet cable if we have to. And of course it needs to be able to live stream onto a laptop on the surface of the water.
I have looked into using a Go Pro, but I am unsure of what model to get and Go Pros seem a little pricey, so cheaper options may be better.
Does anyone have any ideas on what i can use? If i use a Go Pro i need to know which model is best, but I would like cheaper options if they exist. Thank You
I have looked into using a Go Pro, but I am unsure of what model to get and Go Pros seem a little pricey, so cheaper options may be better.
Does anyone have any ideas on what i can use? If i use a Go Pro i need to know which model is best, but I would like cheaper options if they exist. Thank You
A. Underwater wifi is relatively new and not "readily" available.
http://nypost.com/2013/10/17/yes-underwater-wi-fi-is-a-thing/
at least, not from regular stores. If you are depending on the GoPro wireless connectivity to do what you want, I would bet against it - at least for now. That means some sort of tethered version. As far as I know, there is no wired, direct, "streaming" capability that will do what you want. Remember, the GoPro is a camera/camcorder and designed to capture video locally to a memory card.
Wireless communication is one thing - wireless video is a whole different animal (bandwidth issues in the aquatic/marine environment).
And if you are using a robotic craft, I am guessing the ROV is going to be more than 100 feet away which means if on land, would be on the edge of wifi's reach - underwater, even more so. The GoPros included waterproof housing is rated to only 40 meters (~130 feet).
A camera-only (no local recording), with a cable, solution may be a more do-able option. Since we don't know how deep the camera needs to go and we don't know how far away the camera will be (it could be 5 feet deep but 300 feet away) it is impossible to actually make a recommendation. This shallow, but far away is different than 300 feet deep because of the pressure exerted at that depth.
Your solution may be as simple as
http://www.amazon.com/OceanDrop-Underwater-Training-Observation-Inspection/dp/B007EFG3N2
which is even more than the GoPro. This is an underwater wired camera designed to do what you want. Similar to a security camera, it has a single cable that includes connections for power and the video feed. The power is supplied on the computer side of the cable - the camera does not carry local power. The camera does not store video locally, but sends the video over the wire to an analog/digital converter. This can be a standalone box like those from Blackmagic Design, Roxio, Elgato, Thompson/Grass Valley/Canopus or a card fitted to the computer.
And keep in mind that at about 40ft-50ft and deeper, you will likely need to add light. Underwater lighting can be pricey...
http://nypost.com/2013/10/17/yes-underwater-wi-fi-is-a-thing/
at least, not from regular stores. If you are depending on the GoPro wireless connectivity to do what you want, I would bet against it - at least for now. That means some sort of tethered version. As far as I know, there is no wired, direct, "streaming" capability that will do what you want. Remember, the GoPro is a camera/camcorder and designed to capture video locally to a memory card.
Wireless communication is one thing - wireless video is a whole different animal (bandwidth issues in the aquatic/marine environment).
And if you are using a robotic craft, I am guessing the ROV is going to be more than 100 feet away which means if on land, would be on the edge of wifi's reach - underwater, even more so. The GoPros included waterproof housing is rated to only 40 meters (~130 feet).
A camera-only (no local recording), with a cable, solution may be a more do-able option. Since we don't know how deep the camera needs to go and we don't know how far away the camera will be (it could be 5 feet deep but 300 feet away) it is impossible to actually make a recommendation. This shallow, but far away is different than 300 feet deep because of the pressure exerted at that depth.
Your solution may be as simple as
http://www.amazon.com/OceanDrop-Underwater-Training-Observation-Inspection/dp/B007EFG3N2
which is even more than the GoPro. This is an underwater wired camera designed to do what you want. Similar to a security camera, it has a single cable that includes connections for power and the video feed. The power is supplied on the computer side of the cable - the camera does not carry local power. The camera does not store video locally, but sends the video over the wire to an analog/digital converter. This can be a standalone box like those from Blackmagic Design, Roxio, Elgato, Thompson/Grass Valley/Canopus or a card fitted to the computer.
And keep in mind that at about 40ft-50ft and deeper, you will likely need to add light. Underwater lighting can be pricey...
can i take my digital camera into a freezing environment?
Q. hi I'm trekking to everest base camp, where temperatures can get well below freezing and wanted to know how my digital camera will function. i understand you can get freeze proof, underwater type cameras, but would a regular digital still function, does it just mean short battery life or would it not turn on at all.
Same question for my iPhone (not for calls, purely for the camera capability)
Same question for my iPhone (not for calls, purely for the camera capability)
A. Some things I did in the course of taking this picture:
http://www.martingrumet.com/yellowknife01-30-2013-02-2000.jpg
I kept handwarmer packs in my padded case to keep the camera warm in transport.
I had a clean cotton handkerchief in there to wipe off condensation.
I used two layers of glove liners with handwarmer packs to have enough dexterity to operate the camera without getting my fingers frostbitten. I kept my hands in my pockets a lot.
I used a tripod with a quick release plate. I mostly walked around with my open tripod tucked under my arm. I thought out the shot a lot before deploying the camera to minimize exposure.
I carried a spare battery in my pocket.
I brought a lot of handwarmer packs. I could have bought more at the supermarket if needed.
I don't know if it will come up on your Everest trip, but for pictures like this I had a toothbrush in my camera bag.
http://www.martingrumet.com/yellowknife01-31-2013-10-2000.jpg
A toothbrush? It is to clean the snow off of the raised metal letters on the plaque to make them readable.
http://www.martingrumet.com/yellowknife01-30-2013-02-2000.jpg
I kept handwarmer packs in my padded case to keep the camera warm in transport.
I had a clean cotton handkerchief in there to wipe off condensation.
I used two layers of glove liners with handwarmer packs to have enough dexterity to operate the camera without getting my fingers frostbitten. I kept my hands in my pockets a lot.
I used a tripod with a quick release plate. I mostly walked around with my open tripod tucked under my arm. I thought out the shot a lot before deploying the camera to minimize exposure.
I carried a spare battery in my pocket.
I brought a lot of handwarmer packs. I could have bought more at the supermarket if needed.
I don't know if it will come up on your Everest trip, but for pictures like this I had a toothbrush in my camera bag.
http://www.martingrumet.com/yellowknife01-31-2013-10-2000.jpg
A toothbrush? It is to clean the snow off of the raised metal letters on the plaque to make them readable.
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