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2011年8月3日星期三

Underwater photo

http://www.ecvv.com/product/Safety-Security.html http://www.ecvv.com/product_directory/camera.html
Owning a waterproof camera can be a great way to capture shots you wouldn’t be able to get with standard point-and-shoot. Here are some tips so that you get the most out of your subaquatic adventures:
• Don’t expect crystal-clear underwater images. When you’re snapping photos in water, it is difficult to capture sharp images because you and your subject are constantly in motion. Many cameras resort to higher ISO levels to capture better images, but that can also result in image noise.
• Waterproof cameras are safe in a pool, but if you’re taking the camera to the beach, be careful of sand. Manufacturers may market their cameras as dustproof, but a single speck of sand trapped in a sealed gasket can break the seal and cause water damage.
• Never open sealed the compartments in or near the water.
• Don’t use the flash under water. Debris and particles in the water will light up like stars.
• Waterproof cameras do not float; in fact, they’ll sink like a stone. If you’re snorkeling in open water, make sure to attach a floatable wrist strap.
• A carabiner provides an inexpensive way to loop a camera on a swimsuit.
It takes a bit of practice and a little luck to get really good underwater photos ?please do not think that every shot you take is going to make the cover of SportDiver magazine.

You need strong sunshine and clear water. The middle of the day is best, when the sun is at its highest.

Best results will be just below the surface. Light disappears quickly as you go deeper, as do colours (one of the advantages of digital cameras is that you can retouch your photos afterwards to replace colours lost underwater).

Even  clean water is full of microorganisms and other particles. The less water between you and your subject, the less difference this will make and therefore the clearer your shots are likely to be. Wide lens and close up is the secret.
Of course ,to choose a good underwater camera is also so important. Please just see http://www.ecvv.com/company/bridge481/catalog/123253.html for you want.

Resource:

www.ecvv.com   is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.

Protect Your House From Thieves

Unfortunately, we live in a society where we need to be on the constant lookout for people who want to steal from us. You may have been previously robbed at either your home or business and are looking to catch the person in the act again. You can use several methods to catch a thief. hidden camera

1.Set up a home monitoring system. A home monitoring system involves the use of imaging technology to record areas of your home or business that you wish to keep secure.


2.Put in flood lights. Flood lights can be used to catch a thief trying to break in or at the very least to scare them off.

3.Install a security system within your home or business. Security systems can alert the authorities to potential break-ins on your property. Slomin's Shield and ADT are trusted names in security.

4.Get a guard dog. A dog can protect your home and attack when thieves break into the premises. The dog may need to go through a training program in order to understand how to safely protect your home.

5.Use the webcam on your computer to catch a thief. You can set up your webcam to double as a security camera. Read the operating instructions that came with the webcam to find out how to store images.No matter which way you use ,you need to take care of your home with great patience and great attention.China safety products, China safety manufacturers, China safety suppliers.

Resource:

www.ecvv.com   is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.