BEST UNDERWATER CAMERA REVIEWS - CAMERA REVIEWS

BEST UNDERWATER CAMERA REVIEWS - IP CAMERA PROTOCOL.

Best Underwater Camera Reviews


best underwater camera reviews
    underwater
  • Situated, occurring, or done beneath the surface of the water
  • submerged: beneath the surface of the water; "submerged rocks"
  • subaqueous: growing or remaining under water; "viewing subaqueous fauna from a glass-bottomed boat"; "submerged leaves"
  • Underwater is a term describing the realm below the surface of water where the water exists in a natural feature (called a body of water) such as an ocean, sea, lake, pond, or river. Three quarters of the planet Earth is covered by water.
    reviews
  • A critical appraisal of a book, play, movie, exhibition, etc., published in a newspaper or magazine
  • A periodical publication with critical articles on current events, the arts, etc
  • A formal assessment or examination of something with the possibility or intention of instituting change if necessary
  • (review) look at again; examine again; "let's review your situation"
  • (review) an essay or article that gives a critical evaluation (as of a book or play)
  • (review) reappraisal: a new appraisal or evaluation
    camera
  • equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
  • A camera is a device that records/stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura (Latin for "dark chamber"), an early mechanism for projecting images. The modern camera evolved from the camera obscura.
  • television camera: television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
  • A chamber or round building

Deep Sea Sub Turtle
Deep Sea Sub Turtle
DSV-3 Turtle / DSV-4 Sea Cliff The other two 6-foot diameter HY-100 steel spheres originally fabricated for the Alvin were later used for the Navy's Turtle (DSV-3) and her sister ship Sea Cliff (DSV-4), built to a design similar to the Alvin. Turtle had video and still cameras, two six-function hydraulic manipulators, and four large view ports. Sea Cliff had two 7-function hydraulically operated manipulator arms, three 11-cm view ports, and video and still camera systems. The US Navy’s Deep Submergence Vehicle Turtle (DSV-3) and and its sister submersible Sea Cliff (DSV-4) participated in deep-sea search and recovery, oceanographic research, and underwater archaeology. Turtle and Sea Cliff were classified as manned, non-combatant, untethered submersibles. Each vehicle consists of a 6-foot diameter spherical pressure hull mounted on a metal frame. Inside the hull are the control electronics for navigation, lighting and video, and a life support system capable of supporting a crew of three for 72 hours. Located externally on the frame are the battery and hydraulic, ballast, trim, and propulsion systems. There are also two manipulators that allow the vehicles’ crews to handle and retrieve items on the seafloor. The vehicles were launched on 11 December 1968 and accepted by the Navy in 1970. In keeping with the Navy’s submersible tradition, they are named for towns in the United States whose names are reminiscent of the ocean or sea life. Turtle was named after Turtletown, Tennessee, while Sea Cliff’s namesake is Sea Cliff, New York. These DSVs are constructed of a fiberglass hull over the metal crew sphere, batteries and electric motors. The craft have television and still cameras, external lights, short-range sonars, and hydraulic remote-control manipulators. Turtle weighs 21 tons, Sea Cliff weighs 29 tons. These DSVs have an endurance of 8 hours at 1 knot, or 1 hour at 2.5 knots. Due to their limited range and endurance, their mother ship should be certain to remain in the vicinity. Many submersibles control in-water trim by shifting mercury between chambers at either end of the vehicle. Mercury is also corrosive to aluminum, extremely toxic, requires extraordinary measures to prevent spills, and is difficult to clean up when a spill occurs. The Battelle "tungsten ball trim system" is the replacement trim system for Sea Cliff and Turtle. In this system sintered tungsten balls are the weight medium, stored in two stainless steel tubing coils at either end of the vehicle which are connected by a transfer line. Hydraulic fluid moves the balls through the tubing by means of slip flow past each ball, and plastic balls on either end of the daisy chain of tungsten balls provide a filler in the transfer tube when all the weight is shifted one way or the other. Both submersibles were initially rated for a depth of 6,500 feet but received upgrades in the early 1980s. While the Turtle was rated at 10,000 foot operating depth, Sea Cliff had her original HY-100 steel crew sphere replaced in 1983 with a titanium sphere capable of 20,000 foot operations. Sea Cliff reached this depth for the first time in March 1985, during a dive in the Middle America Trench off the Pacific coast of Central America. This increase of 1500 meters over Alvin's limits provided access to 37% more of the sea floor. Turtle reached a depth of 10,000 feet on 3 October 1980, and Sea Cliff made it to 20,000 feet on 10 March 1985. At that depth, Sea Cliff was capable of reaching 98 percent of the world’s ocean floor, an area roughly six times that of the surface of the moon. As a result, Sea Cliff enjoyed the distinction of being named flagship for the “Year of the Ocean” in 1985. Sea Cliff and Turtle were often called upon to locate and recover Navy equipment that was lost at sea. During its 20,000 foot sea trials, Sea Cliff was ordered to the site of a downed Marine Corps Sea Stallion helicopter. Operating at 1,500 feet, Sea Cliff used its manipulators both to retrieve pieces of the aircraft directly and to attach lift lines to other parts. Sections as heavy as 10,000 pounds were recovered. Overall, 61 dives were made, and 80 percent of the aircraft was retrieved. Most importantly, Sea Cliff found and recovered the remains of the aircraft’s four crew members for family burial. Similarly, in 1995, when a Navy swimmer delivery vehicle (SDV) was lost in 814 feet of water off Hawaii, Turtle found and retrieved it in an operation many thought was impossible. Turtle and Sea Cliff had been based from Navy Landing Ship Dock (LSD), or, more commonly, from Navy oceanographic vessels. Any of them could be transported by C-5 aircraft, although such deployments were uncommon. Since the end of the Cold War the submersibles Sea Cliff and Turtle were available for limited academic research through a cooperative arrangement between NOAA and the US Navy's Submarine Development Squadron Five in San Diego CA. These vehicles have expanded opportunitie
Bahama Buys
Bahama Buys
With 1 month and 24 days left until our family vacation to the Bahamas everyone is starting to do a little prep work for the trip. While this prep work may include shopping for new duds to wear and dropping a few pounds my 'prep list' consists of new gear I'd like to pick up for the trip. 1. 4GB Memory Stick Pro Duo $50 The price of this has recently fallen through the floor and I've been tempted to pick one up to extend the storage capability of my PSP. 4GB of storage would mean I could probably leave my iPod at home for this trip. I could fill my PSP up with more than enough videos and MP3s to take care of any moments when I'm not using it to play games. If I can eventually get Best Buy to match Circuit Citys price on this it's pretty much a done deal for me. 2. Underwater Housing for the SD900 $170 I'm currently on the fence for this one. While these underwater housings are fantastic, I rarely get the opportunity to use them. I can't deny how much fun it would be to take this thing on a waterslide though. Will probably be debating this one right up to the last minute. 3. Silent Hill: Origins $40 I scanned the current release list for around the time of our trip and it looks like Silent Hill: Origins will be the lucky winner. Is there anything more relaxing than some portable survival horror? Review scores will decide if this game comes along though a bumped release date can knock it out of the running all-together. 4. SLR Zoom Gorillapod $50 Glad that I talked to my brother about this before picking up the wrong Gorillapod (apparently the SLR pod can't really handle itself under and SLR's weight). I don't plan on bringing a tripod along with me, and in the past this has led to some creative balancing with my camera. The SLR Zoom Gorillapod however could completely take care of that situation and allow for some beautiful long exposures. That's my current shopping list at the moment with a grand total of $310. Of course I should probably pick up a new bathing suit and perhaps some shorts or something. Those just aren't nearly as important.

best underwater camera reviews
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