Digital Camera

Wednesday, January 23, 2013

Codes of canon DSLR lens; Part 2

- Canon EF 50mm f/1.8
The lens has a range above the focus, which is 50mm. This means that the lens is not a zoom lens or can not zoom. You can not change the focal length to zoom in or out objects. To do so, you must do it manually by running toward or away from the object. The lens type is more commonly known as the prime lens.
This lens is also characterized by EF code, as opposed to EF-S, which means it can be mounted on the camera also has a full-frame sensor.

- Canon EF 70-200mm f / 4 IS USM
These lenses are categorized as telephoto zoom lens because it has a wide range of focal lengths from 70mm to 200mm.


- Canon EF 100-400mm f/4.5-5.6L IS USM
f/4.5-5.6L: Code "L" premises also known as "Luxury". Canon L lenses with code meaning expensive lenses made for the purposes of professional photographers. -L lenses are the best lenses are made with a variety of focal length and aperture.
The codes on the lens that has been described above do not apply universally, the lens with the other brands (besides Canon) will give different codes to describe the features of the lens but it is not a problem because the structure of the code is the same between one brand of lens with another lens brand.
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Codes of canon DSLR lens; Part 1

At the time of first entering the world of DSLR cameras, one of the confusing aspects is to translate the codes listed in the label of a lens.

- Canon EF-S 18-55 f/3.5-5.6 IS
These lenses are usually a package deal if purchased as a kit lens Canon DSLR camera that entry level or beginner such as the Canon 1100D, 550D and 600D.
Canon EF-S: EF stands for Electro Focus. The lens of this model is designed specifically for DSLR cameras with a small sensor type (cropped sensor). This type of lens can not be mounted on a DSLR camera has a full frame sensor like the Canon 5D or 1D.

18-55 mm: Is the range of focal length lens (focal length is the distance between the optical center of the lens to the focal point located on the camera sensor). 18-55mm focal length of the lens is equivalent to a focal length of 29-88mm on a full frame sensor camera. Range of the focal length is versatile enough for everyday use.

f/3.5-5.6: This code describes the range of the lens aperture or lens opening. At 18mm focal length, the lens has a maximum aperture of f/3.5. And at 55mm focal length, maximum aperture is f/5.6 lens.
IS: Is Image Stabilizer, which means that the lens has the ability to reduce vibration or vibration during shooting so photos that are sharp. This feature is especially useful when shooting with a slow shutter speed.




- Canon EF-S 17-55 f/2.8 IS USM
If you find a lens with a minimum aperture is only one set, like f/2.8 lens, this means that the widest aperture lens has a fixed or unchanging. Focal length from 17mm to 55mm focal length, maximum aperture of f/2.8 fixed at a value.
USM: Abbreviation for Ultrasonic Motor, meaning the lens there is a built-in motor for auto focus. In this lens auto focus is faster and the bike is not noisy.
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Types of DSLR lenses

It may be difficult to answer this question at this time where every manufacturer of digital cameras offer a variety of lenses with the quality and price are very diverse. Keep in mind also that every photographer has a different photo styles, they have a character of its own shooting, and that could be its own complexities when answering the question "what is the right lens" Below is a bit of writing to review the different types of lens cameras offered in the market DSLR by camera manufacturers. We will not discuss in detail a lens, but it will be a little give a brief introduction of the term and the type of lens DSLR on the market that can be considered when the waterfall hunting buddy DSLR lenses.

Keep in mind that most DSLR cameras berdar not all full-frame camera, the sensor is held in generally smaller than full-frame camera, and that means the lens does not affect the same results as in the full-frame or film camera.

1. Standard Lens - This is a term that is slowly disappearing from the little world of photography terminology. Used to describe the range 50mm lens, because the lens is usually mounted on the camera film camera.

2. Lens Kit - Currently most of the lens is a single package with a DSLR camera for sale, and this lens is usually known as a kit lens. This lens is a zoom lens mostly, and functionally known as a multi-purpose lens that is designed for the benefit of everyday shooting.

3. Prime Lenses / Lens Fix - Fix lens is a lens that has only one Focal-Length. Sometimes the lens is a lens that is less popular where the photographers are nyamana with lenses that have a range of Focal-Length in their hands, but somehow primes fatherly worth considering. The zoom lens does have keuntukngan on the quality they offer, but also known prime lens with the image quality and speed.

4. Lens Zoom / Tele - Zoom lenses are the most popular DSLR lenses today, comes with a focal length range of configurations and levels of quality. The most visible advantage to using this lens is, you do not need to get closer to the subject to get more stringent framming. This lens can provide short or long range. Things to remember when buying a camera is, the longer the focal length the more it will affect the camera-shake. The camera with a focal length much like (300mm) has been facilitated with Image Stabilization (IS) to reduce camera-shake.

5. Macro Lens - The lens is designed specifically for photographing objects close-up. many DSLR cameras are equipped with the settings 'macro', but using the actual macro lens will produce images more vivid.

6. Wide Lens - As the name suggests, these lenses mememungkinkan users to take pictures and get a very broad perspective. Wide-angle lens used in refractive landscape shooting. Wide lens comes with a lens focal length as fixed and zoom lenses, although it has a bit of range on the focal-lengthnya. Note that many more or less wide-angle lens sometimes give effect to 'distort' in the images, especially in edge images with a slightly curved shape. For some people could be a nice effect, but it also means that sometimes unwanted effects.

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