by Samantha Decker

Photography Lessons For Buying Professional Digital Cameras Online

As we move onto the concept of digital photography and digital cameras, we come across categorizations such as professional digital cameras and amateur digital cameras. As the name suggests, the professional cameras are meant for the professional photographers and advanced camera users. On the other hand amateur digital cameras are for people who need cameras for general usage and are not experienced photographers. In this photography lesson we would focus on professional digital cameras, their types and their features. So keep reading.

Professional cameras, whether digital or analogue, come under the category of SLR cameras. As we are dealing with digital cameras, so let’s talk about digital SLR cameras which are meant for professional usage.

The term digital SLR cameras refer to digital single reflex cameras. These cameras are basically and optimally meant for professional photography. These are called single lens reflex because these cameras employ a mirror behind the lens of the camera to direct the light towards the viewfinder, when you focus or compose a picture. When the shutter is released, the mirror gets away from the path of the light, allowing it to travel straight into the sensor and blacking the viewfinder momentarily. There is a prism incorporated in an SLR viewfinder. This prism flips the incoming image and makes it bounce to the focusing screen where it seems visible to you.

In fact the major benefit of an SLR camera is that you view and take the photograph via the same lens. It eliminates the usage of matching the angle of the viewing lens with that of the taking lens. One more reason that SLR cameras are considered best for photography is their ability to accommodate a wide range of lens focal length.

Now that you know the mechanism of an SLR digital camera, let us take a look at some of the types of digital SLR cameras which are used for professional photography.

Interchangeable-Lens Full System Digital SLR

As the name suggests, these cameras are built in such a way that different lenses can be inserted and removed. This feature of the SLR cameras makes them a favorite amongst the professional photographers. The lens can be interchanged like from super telephoto to ultra wide angle lens or again the normal lens. These digital SLR interchangeable lens cameras are available in majority in the market as these have the highest demand.

Fixed-Lens Digital SLR

Another type of digital SLR camera is known as fixed lens SLR. The lenses of these cameras cannot be interchanged as they are fixed. This inability of the camera to change lenses restricts its versatility and usage. However these lenses are also used for professional purposes by many photographers. Some of the best cameras under this category employ a non moving semi transparent mirror. This mirror lets most of the light pass via sensor, but bounces some of the light to the viewfinder. As a result the LCD’s of these cameras can be used for composing photographs.

SLR-Like or SLR-Style

This third category of digital SLR cameras is somewhat different to the other two SLR cameras. These cameras are the standard DigiCams which employ an electronic viewfinder in them. This means they have an electronic viewfinder instead of the prism or a point and shoot mechanism. As a result these cameras are not considered true SLR cameras, moreover the quality of images produced by these cameras is not as good as SLR cameras with mirror. These cameras are also known as ZLR cameras.

Well, considering these types of professional digital cameras, as a professional photographer it would become quite easier for you to choose the one which suits your requirements.