The basic colour modes in photograph

It is possible to change and adjust the colours of a digital image as much as we please, but to do so it is necessary to understand something about colours and how they combine and work together.
The basic colour modes are Red, Green, Blue (RGB) and Cyan, Magenta, Yellow, Black (CMYK). They are known as colour spaces and they determine how images are seen and reproduced.

Electromagnetic radiation comes in the form of wavelengths and its total range is known as the spectrum. The range covers gamma rays, X-rays, ultra-violet, visible light, infra-red, radar, microwaves, various radio waves and extremely low frequencies.

The only part of this spectrum which can be seen by the human eye is a very small section in the middle seen as white light. White light is refracted into its component colours of red, orange, yellow, green, blue, indigo and violet, which we see as the rainbow colours.  The primary colours are red, green and blue.

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Food Photography

Lighting

When lighting food we want to avoid harsh shadows and highlights. To do this use a soft, diffused light source. A shaded area with reflected natural light can work well. For artificial light, try lights reflected from large umbrellas, or large softboxes.

Don't light your subject directly from the front, as the light will fill in all the shadows, giving a flat image with no texture. Instead light from the side to bring out the texture and details in the food.
 

Angle

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The Tokina 50-135 lens has a high quality build and construction

The Tokina 50-135mm F 2.8 AT-X 535 PRO DX or simply known as the Tokina 50-135 lens has a high quality build and construction. The casing is all metal and has extraordinary fit and finish. This particular lens is cheaper than its counterparts and has many advantages as well. It features many elements and is a good lens for moderate to large focal range. This particular lens is also lighter and more compact than its competitors in the market.

As far as the aperture is concerned, is very fast and constant at f/2.8. The lens incorporated SD elements which compensates the chromatic aberrations. Chromatic aberrations are a big concern for photographers and Tokina have addressed that issue with this Tokina 50-135 lens as they have used SD technology which reduces the chromatic aberrations. The SD feature not only reduces the chromatic aberrations but also it makes the lens produces sharp and high contrast images. The quality of the image is quite high and optical quality this lens is commendable.

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Cameras allow an External Flash

Some cameras allow an external flash, or hot shoe, to be mounted while in a professional  studio, a photographer will use freestanding flash units, or strobes, which are either powered by the mains or connected to battery packs. The photographer synchronized them with the camera with the help of a cable or radio signal. Some are triggered by light, i.e. one flash can be synchronized with the camera, which triggers the other flash units.

Current camera flashes are either flashtubes, which combine a tube filled with xenon gas with a high voltage charge to emit a flash of light, or microflashes. Microflashes are high-voltage flash units which give a flash of light with for a sub-microsecond. They are frequently used by engineers or sometimes for examining fast moving objects or reactions.

Although they don't yet have the power to replace xenon flashes, LED flashes have been used in camera phones. The major advantage of LED over xenon is its ability to operate at a low voltage, on a tiny scale and with increased efficiency.

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Important Pointers for The Contest

Be honest with yourself; take a good look at your photography, even if you have just one good picture think critically if it is ready for the contest.

Here are important pointers:

1. The theme is important.

 Make sure your photograph or series of photographs fit well into the topic of the contest, this is one of the most important factor, your image can be great, beautiful, technically correct but if this is a portrait and you submit it to landscape photo contest you will not get any recognition.

2. Again topic it important.

I know you will not submit portrait to landscape contest but i want you to understand that this is very important. Some contest have 10 or more categories go through it and understand what will the judges look for and what category does your work fit best.


3. Follow the rules.

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Canon EF 50mm lens is lightweight

People like a variety of things, specifically when it comes to their camera, along with its lens. Although everyone doesn't need a standard zoom lens, many individuals would like to have a fixed focal length lens. Continue reading to learn more about the Canon EF 50mm lens, a top choice when it comes to lenses for cameras. The Canon EF 50mm lens is lightweight, inexpensive and has a fast f/1.8 aperture. Individuals who are looking for a zoom lens with a fixed focal length will appreciate the quality of this lens. With a weight of only 4.6 ounces, this EF lens is Canon's lightest, but it gives a sharp performance because of its classic Gauss-type optical design. Because of this, the lens creates images that bear resemblance to how the eyes see an object. If you want natural depth for images or portraits, this lens is superior. It is possible to take extreme close-ups, as this lens will focus as close as 18 inches. This standard zoom lens balances color wonderfully and has a one-year warranty from Canon. Almost all customers have been pleased with this standard zoom lens, with some very positive reviews and some that were not as good. This appears to vary with what the buyer expected from the zoom lens. In some instances, the customer expected more after browsing the reason of the lens. Other products which exaggerate what their product is able to do, are deserving of having unhappy customers. This lens generally seems to do what it says for many people. Several customers were not satisfied that the housing was totally made of plastic materials.

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Macro lenses

If you are interested in doing really close up photography, or macro photography, of things like beautiful flowers, interesting insects or any other object that you want to get extremely close to, you will need the assistance of a macro lens. These lenses are extremely specialized and designed only for very close up photography. These types of lenses are often used for marketing, nature shots, science shots as well as medical photography. Most of the macro lenses will have a 1-1 framing ration, this means, that everything that is the frame is its actual size. The most common subjects found in these kinds of shots are generally creatures or some sort of objects that are very visually interesting or intriguing and are usually overlooked if viewing them with the naked eye. Using this kind of lens will take practice but, if you try to follow the few rules listed below, it should help you develop your own technique. You should choose a macro lens that is going to fit your personal photography needs. Just like any lens, the macro lens comes in a variety of different focal lengths. Those lenses that are 50 mm and 60 mm with fixed focal lengths will capture much wider angles than those that are 100 mm or 300 mm. If you are in need of highly controlled situations like a food item or product photography then a wide macro lens is going to do the job. The longer macro lenses are far better for the less controlled shots where you need to keep some distance.

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Quality Panorama Photo Shooting Tricks !

Quality Panorama Photo Shooting Tricks

• 1. You should start by planning your shot sequence, because when you are shooting pictures for panorama, you will be taking ten or more pictures in a sequence. It is best to do a dry run looking through the viewfinder to plan the entire sequence in advance on the way you will arrange your shots.

• 2. Though you can shoot photo sequence in any direction, but it is best if you can shoot from left to right, as it becomes much easier to make sense with your shots when you are viewing them on your computer, and you will get them in best order in the software.

• 3. In panoramic photography, your photos should overlap to enable software to stitch them perfectly. You can very easily stitch your photographs with a twenty percent overlap or even less. Having said that, thirty to fifty percent overlap is recommended. A large overlap in panoramic photography delivers you a adequate room for fine-tuning your final results.

• 4. For enhancing the vertical field of view by about fifty percent, you should turn your digital camera sideways for shooting your photos in portrait position. You will have to shoot more frames for covering the same scene, but with this maneuver, you will get significant vertical coverage.

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