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System Camera
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When laying out a camera system for your business or company, it is important to look at five factors that will give you a good quality system. Many camera systems are designed based on false assumptions or what people see on their favorite TV show. Knowing the facts about cameras and camera systems will give you a CCTV system that will provide you the most benefit for your money.

1. What problems are you looking to solve or prevent with the cameras? - You have to sit down and decide first why you want a CCTV system in the first place. Is this going to save you money, prevent a theft or burglary, catch a thief that has already stolen from you, etc...? You want to be able to clearly define what you want from the camera system. This will allow you to choose the right cameras and location of cameras to solve or prevent your problem.

2. Are you having problems at day or at night? - Most of the time problems occur at night, but when people are looking at cameras and their quality, the demonstration of the cameras take place during the day. Seeing how a camera performs in similar lighting conditions is crucial to deciding if a camera is right for you. Many cameras can provide great images during the day or under optimal lighting conditions; but what happens at night or even low light with the image? Does the camera still produce good quality video, and are the images still sharp? Most importantly, are you able to accomplish the goal you established in item #1?

3. Will the cameras be used for live, playback or both? - Most camera systems are used for playback to see what happened after an incident took place. In this case, make sure that you know what the quality of the video will look like in playback. Many systems may look good when you are watching the live video feed but what happens in playback mode? Many Digital Video Recorders have the ability to record in different quality modes. Look at all of the different modes and pick the quality that is right for you.

4. Are you looking for general surveillance or forensic detail? - Most people have seen the TV show where a person is able to view video from a convenience store and zoom in and enhance the video to see amazing facial recognition or a license plate. This is only TV fiction and is not CCTV fact. Zooming in on video and clicking an imaginary "enhance button" does not exist. Since this doesn't exist, you have to decide where you need general surveillance or where you need forensic detail. General surveillance will allow you to see a parking lot with one or two cameras. You may be able to see the color and type of car but that's about it. With forensic detail, you are looking for license plates or very close up facial details of a person. The same camera may be able to provide you both of these but the field of view and the lens used, will determine which one you get.

5. How will you, your security staff, or others responsible for security access the system? - There are many ways with today's technology to access your camera system. Are you going to use a PC, a MAC, wireless laptop, or a Blackberry or iPhone? Simply identify who will access the cameras and decide which of the above is going to be used. Then make certain that you select a camera system that will work for you.

After thoroughly considering all of these issues, you are ready to look at different CCTV camera systems. You can now base your decision on facts and on how the system is going to perform for you. Remember that each situation is unique and that the security products must meet your needs. Not all camera systems are designed equally, so ensure that not only the products you select are the right ones, but the company that you choose to install the system is right for your company as well.

Daniel Cogan is the president of Access Security Corp. which is a member of the PSA security network. He has over 15 years experience is the design, installation and servicing of integrated security systems and specializes in IP cameras systems.

Waterproof digital cameras 7 Choice You Can Chose

Digital cameras are risky to use in water, as they will malfunction. This deprives those who love diving and spending time in water, the pleasure of taking photographs underwater as well as around water (in the fear that the camera might fall into water and malfunction). Therefore, waterproof digital cameras also called underwater cameras, provide a chance to photograph the underwater world which would have been otherwise inaccessible with normal digital cameras.

The following is a list of some waterproof digital cameras that are commonly used for underwater photography.

The first one of waterproof digital cameras reviewed is Sea and Sea DX-1 G Compact Digital 10.0 MP camera with underwater housing set. This waterproof digital camera has ten megapixels (which is pretty good photo quality), a polycarbonate underwater housing (which makes it waterproof) and a ‘sea and sea’ mode which optimizes digital photography under water. It also has some other features that are advanced, such as manual control over exposure and focus, an extra flash light and the camera also has the ability to shoot videos.

Intevac IC700 7.0 MP Digital Camera with Underwater housing falls under waterproof digital cameras, which provides a pretty good image quality (with seven megapixels) and is affordable as it is under the $300 price range. It is considered a good waterproof camera and is rated for underwater photography to a depth of 180 feet. To emphasize this opinion, the camera comes with features such as macro mode with a built in flash which can reach up to about five feet when underwater.

Olympus SW series may be the best well rounded waterproof camera at the moment. This camera completed with 10 Megapixels, ISO1600, and a 3.6x optical zoom feature and you could diving with this camera as depth as 6.6 feet.

Pentax Optio W30 is another waterproof digital camera design you should consider. Released with 7MP - ISO1600 and 3x optical zoom image recording feature, Optio W30 supported with both SD and SDHC, videos in this model is of 640x480 in MOV QuickTime MJPEG format.

Another one of waterproof digital cameras is Sealife SL320 Reef Master Mini underwater digital camera. Weighing about eight ounces, and being a compact camera, this is very useful for those who want a light weight, easy to use waterproof digital camera. The camera has underwater exposure and sea modes and has six megapixels. The shutter speed of this camera is within a range of 1/60th to 1/1000th of a second. This waterproof digital camera has a rating of 130 feet depth for underwater photography.

With an underwater photography rating of 50 feet depth, VuPoint DC-WPC-ST531TBLK-VP Underwater digital camera is another recommended waterproof digital camera. It has five megapixels and also has video capturing ability. It features digital zooming and has the ability to shoot in macro settings and control aperture settings. Also, it is less expensive compared to other waterproof digital cameras.

One of the best designed waterproof digital camera for up to 5feet depth of water is Sanyo Xacti VPC-E1. With 4GB memory card, and MPEG-4 AVC/H.264 at 640x480 powers, the Xacti E1 could work with an approximate record time over 5 hours. This small and easy to handle video camera also offers a solid 5x optical zoom with a 6MP CCD at up to ISO1600 power for still images, so beside video you can also take a pictures every moment. With flip out view screen and special key feature of this video digital camera will saves you from the risk of bumping in underwater objects while diving around.

By choosing wisely from the wide range of good waterproof digital cameras available in today’s market, you can chose a good quality waterproof digital camera at an affordable price, to make the next underwater experience – an unforgettable one.

About the Author

Founder and owner of http://buycamera-s.com

How lens/camera system solves many banking ATM and correctional-facility security problems ?

How lens/camera system solves many banking ATM and correctional-facility security problems ?

Cctv systems do not solve all problems involving atm transactions but are instrumental in identification of persons and exact times of A.T.M. transactions.Cameras and lenses have to be selected to suit the environment that they operate in.They also have to be positioned in the most advantagious position to recover the most useful images.Normally the images are recorded on a hard disc and can be verified for exact time and in great detail.The correct camera and lens can give accurate images even in light levels below 0.05 lux

Police Seek Legal Advice On Speed Camera Operation
Questions come after a citizen activist obtained public logs of several cameras showing it is common practice for the jurisdictions to run the camera's for days without a technician performing a daily accuracy check.

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