วันอาทิตย์ที่ 26 มิถุนายน พ.ศ. 2554

Essential information on Objectives

Essential information on Objectives

Essential information on Objectives

Posted: 26 Jun 2011 09:00 AM PDT

As we know, there is no camera that can perform in all types of shooting situations goes the same for targets. Each camera has its own individuality and compared with the individual components of other benefits and disadvantages. By understanding more about how the camera lens separated from each other, you get to know how to apply the right camera for the conditions and requirements.

The selection of Canon lenses for digital SLR can be verypleasant and stimulating. Canon offers an extensive collection of lenses for both the amateur and the specialist. The purchase of a lens is an important process and procedure, as it would be to implement a new order your kit photography, but you want to make sure that your purchase is intelligent.

Most 35mm SLR on the market have an "objective standard". Objective standards now refer to a lens with a focal length of 50mm and isthe format in which an enormous amount of respect people around what we usually see with my own eyes. As such, 50 mm lens is still very well liked by all the photographers. Normally 50mm lens has a maximum aperture of F1.8. There are also faster lens with the largest opening of F1.4 and F1.2 well. To establish these goals faster to wear for the function and quality.

To observe any other obsession, is to make all SLR / DSLR cameras are compatible goals. Move the lenses can be performed smoothly and is different for the installation of the camera. The warmest support for most cameras today is the bayonet. In general, to change the lens with a bayonet, for the completion of a lens to a desk near the landslide then simply rotate the lens of 45 degrees clockwise to the inclusion of another goal, simply set the objectively by brand camera and camcorder > Lens and turn the lens counter-clockwise 45 degrees.

The talent of different lenses SLR / DSLR is really one of the main reasons for the vision and ease of use compared to other cameras in the picture. Therefore, a camera with a conventional lens would not be able to use the camera to make you better. Typically, most people think photographers get or have got another two lenses in the class of wide-angle lens and tele> Lens.

Canon lenses have a ring of focus, the user can focus the lens itself, and a control that users want auto focus or manual focus, such as how to focus. Latest Canon lenses are optical image stabilization, which allows the photographer to the stabilizer on or off and pick up different ways to stabilize the different types of photography, one for normal use and one for panning. Similarly, the lensesfocal distance has a switch to limit the photographer's focal length, can help, auto-focus time.

Canon EF lenses, which stands for "Electro-Focus" are. were introduced in 1987 on Canon film lenses. They are well coordinated with all the latest versions of Canon Digital SRLs. Other types of lenses Canon EF-S. EF-S only a couple of CanonCameras. The S stands for "short back-focus" and means that a portion of the lens closer to the sensor. Full-frame SLR like the 5D does not work with EF-S lenses because the style is slightly different bracket.

L-series lenses of Canon professional series lenses. The lenses focus very quickly and are often characterized by a high aperture, usually up to 2.8, so that they work well in low light conditions. Canon introduces the L SeriesLenses in white instead of black, as they say, that these lenses reduces the heat of the sun. L-Series only with a bayonet EF, not EF-S mount.

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