It can be worth it if you like taking pictures but not carrying a camera everywhere. Using the camera will deplete the battery faster than leaving the phone idle but if your phone does not have a flash it should not be a substantial depletion.
A professional video camera creates electronic moving images. A regular movie camera records images on film. Most professional cameras are larger and heavier than the regular movie cameras.
Yes, there are different camera lens' for different cameras. Not all cameras have different camera lens' though and that is because they have an automatic focus. A more detailed and expensive camera should have different lens' since they are for more detailed photographer work than for the regular consumer.
SLR digital cameras are professional grade cameras which have settings which may be manipulated to produce outstanding photos that otherwise could not be achieved with a regular digital camera
Well all camera's store by megapixel unless they are taken on film. In cases such as that then the biggest difference is one is digitally stored and the other isn't. We now have HD cameras that are replacing megapixel cameras.
Wireless cameras can be installed in places where regular, wired cameras would be inconvenient, or impossible to place. Most run off various battery supplies (or solar power). Wireless cameras can do pretty much anything a standard camera can do.
The top three cameras on the market are Sony, Canon and Nikon. It depends on what type of camera you want, regular 35mm cameras, or digital cameras, they are all in reasonable price.
i have a Olympus infinity 76 camera with a remote control . i would like to replace this camera with another one.
You can use a digital camera to focus the picture , regular cameras dont have it, it can record videos, edit, and an easier way to zoom into a scene.
To take photos like a regular camera would. and this is just a stupid question, no offence.
This depends on the price. A pricy slr camera is better than a regular. A pricy regular is mostly better than a cheap slr camera. So I would recommend to look for good but expensive ones.
There is a wide variety of waterproof cameras available on the market, that come in various sizes. It is possible to buy a digital waterproof camera that is only slightly bigger than a regular digital camera. More expensive cameras will perform better and take better photographs but do tend to be larger.
The types of cameras that use camera housing are found on some outdoor cameras. Otherwise a pan tilt zoom camera uses camera housing, as does a professional 'box type' camera.