Photography and Computer

Lighting, Timing and Composition

Lighting, Timing, and Composition is a blend that we have to do to get the beautiful images and interesting, in determining the exact blend is a must have sufficient knowledge to the field of photography and it's have many experience previously. for example we want to make a shooting scene in the stage, meaning that when we have to create an image that can represent the overall performance. Here, the timing when the camera is set. Two scenes that any dissent within seconds can be very different results.

Preparation before the event must be started, photographers do not come when the event starts on, and does not know the detail of the event will take place, photographers should come on the preparation stage also to do survey, so when the event takes place, can get an image that can represent the event it.

photographers will learn the story flow and show that the equipment is in the building, the scene is also very necessary to help create the image composition. In some instances, the composition of the selection picture really should be decided in a short time while viewing a scene that takes place. who choose not symmetrical composition with elements of smoke entering the eleman on the right. Decision will be choosing the more simple composition with the photographers taking a frequency.

So the performance that is passive without a dialogue between players, such as pointing clothing stage, photographers also have to conduct a survey before shooting, especially with the events took place many people to scramble for taking a required speed point. focus, composition and determine the exact time using the camera . lighting generally requires minimal lighting control measurement and selection of White Balance quickly and accurately. In some fashion show a big, light is used so commonly is daylight white light with the same balance sun. In the performance of smaller, light is generally used various levels of tungsten with the colors on the color of light. White balance processing is very important so that the colors in the images normal and correct.

during the shooting stage the most important is the lighting. With the implementation of the performance that night in general, a light background because the lightness only illuminate the object so that the main course we use a high ISO, more than ISO 400 .

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DSLR camera lens.

It is the secret for the photographer that the camera lens is the expensive price, it can be expensive even from the camera body itself, could reach $ 15,000, the price is also balanced with high quality images that be resulted, but we must be selective, the same things that we have previous tips on selecting and buying a DSLR camera , which is more important depending on the needs and economic origin is not cheap, because it will affect the image quality will be produced. What follows expensive DSLR camera lens:

1. optical lens elements is made with very high accuracy, only a few defects occur lens design that is made will affect the image produced later.

2. lenses have a variety of long focal from wide to tele, each have a distinctive level of difficulty in production.

3. the designers have to fight hard lenses negate many physics problems in a lens, such as Flare, distortion, vignetting, CA and others.

4. diaphragm design that much more difficult opening of the small openings, that is why small lens openings (slow lens) such as cheaper f/3.5 lens that's fast (like f/2.8)

5. design a zoom lens that have a constant opening far more difficult again, that's why zoom lenses such as Nikon 70-200 f/2.8 price is very expensive.

6. rapid increase in camera resolution DSLR demands a new lens for sharp, because when the sharpness of the lens can not compensate rapidly increasing resolution can not used.

7. lens brand to try alternative solutions to provide a cheaper lens (such as: Sigma, Tamron, Tokina etc.), they have a weak quality control, so many lenses, but less feasible selling passes to the market (bad copy), so beware of a certain brand.

8. filled with many modern lens technology, such as a new AF micro motor and stabilizer of the edges add the cost of production. production costs increase, prices also rose.

9. professionals willing to buy any expensive lenses because they understand the quality of the optical lens from which they buy, in the field fotography money is needed to produce beautiful photos and nice views ..

So if you want to buy a camera lens must thinking more, rather than regret after purchase, it is better to search more reference and ask about the quality and price whom to known it.

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Selecting and Buying Digital SLR Camera (DSLR) for the beginner.

If we have a lot of money no matter to buy what type of camera, but if that does not have enough money to buy a specific type of camera, you should consider the following tips. Everyone know, photography needs a lot of money to produce a beautiful image but we must selective to buy it :

1. Customize with your Needs
Type SLR camera (DSLR) is a lot of options in the market with a range of variants and features of the price. Buy a camera for a hobby is different when buying a camera for professionals. first consider your destination to buy digital SLR camera, what features that are important to you. You want simplicity or a DSLR camera you type photographers who want to explore all the advantages offered by SLR camera.

2. Note the size of CCD or CMOS sensor used to capture image. Although many variations in size, but its divided into 3 categories normally, namely FullFrame, APS-C and Four-Thirds. For some people, the size sensors (megapixel) is not too important, a more important category is the entrance where the sensors.

That distinguish the three kinds of sensors is the Crop Factor, the small sensor size, the small area catching screen. Crop factor for the beginner is not the main thing, but consider if you want to use DSLR camera as a substitute for your old SLR, and if you already have a collection of expensive lenses, expensive, considering you have a good idea to buy a DSLR Fullframe, because if not, the resulting picture will be different from the usual SLR.

3. Antishake systems. Image Stabilization is designed to prevent images captured image to be dim (blur) because the movement of the camera or you do not accidentally or because of poor lighting or retrieved from long-distance will be prone to things like this happen.

4. Focus on speed and speed of photographs from the camera must also be considered. this is often necessary when you photograph moving object eg a car or you are a bird race is currently flying.

5. That is not less important is the size and weight of the camera body, you do with pocket camera will be a little difficult to use directly, for example if we use Nikon D3 DSLR .

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Bounce / Diffuse

Last time, we have been discussing about the Flash / Blitz, now we will try to study about Bounce, Bounce flash is a flash how to toss a field so broad that light comes in a wider angle. For example, using the ceiling or wall in the room. If an external flash attached to a digital camera connected via hot shoe, the flash should have a tilt facility to reflect light. If the synchro is connected via cable, then we can install flash on the bracket to the position slightly upwards / or addition to holding positions with such position and must also be precise so that light falling on an object.

Some of the things we need to note in using the bounce flash is this:
1. Distance to calculate the f / stop is not changed into the distance and the camera changes to an object but a short distance passed by the light flash. Normally in the 45 ° tilt angle we'll widen 1 APERTURE and stop at the 90 ° tilt angles we expand the 2 APERTURE stop. Of course, this brief guide only, depending on the technical implementation in the field.

2. Regarding the no. 1 above, the distance the ceiling or wall in the room should not be too far or it will be useless.

3. Use field always white and not dark. Colors other than white will cause the image contamination while color is dark color will absorb the light flash.

4. Note the occurrence of the reflection can occur on the other side light. For example, if we toss to the ceiling then we will get shadows under the nose or chin and if we reflect on the wall to the left then there will be a shadow on the right. To overcome this we can put a bounce card on the front of the flash so that when we are reflective to the top / side we still have a light that is not too strong which leads to the front and netrally shadows appear.

To take a vertical photo, will be easy if we use a cable connection because we can easily set up to flash by using the bracket or held. But if the connection is our hot shoe flash then make sure we have the facilities swivel head so that we can play facing up. Great if we can have a flash-in tilt and swivel. This will accommodate most needs us.

When we use a diffuser, we actually prevent certain areas from the light to flash. This reduces the strength of the flash we use it. If we use a diffuser is the result of the purchase, then we can read how APERTURE compensation when we need the exposure. Usually there is paper in the box or manual. If we decide to create your own, then we can perform the experiment many times to get the numbers to fit the required compensation other times, study and learn to better results.

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Introduction of Outdoor Flash

Yesterday we have discussed about the flash indoors, today we will try to discuss about outdoor flash. Blitz/flash on the camera not only be used in any room but also used for outdoor, sunlight does not guarantee a result good image, then it's also required the use of flash.

1. Use of the flash when object behind of the sun. In the cases, the camera meter will thinks atmosphere is quite light because the object is dark when we take a picture or under the strong light is useless because it is not reflected by an object.

2. Sun is perpendicular object. the flash shadows that appear under the nose and chin can be overcome. softness can be used light diffuser or bounce card (or Bounce diffuser will be discussed tomorrow).

3. Objects are on the open shade (shadow). Flash is used to obtain the same lighting on the entire object will create a shadow as dark gradation different parts of the object especially the human face.

4. The sky is blue and seduce. If we are not tempted by blue sky and get the real picture when the sky white outdoor photographs then please do the metering on the object without using a flash or with flash. If we lack real object as long as the light blue sky, please do the metering on the sky. Well, if we want to keep the sky blue as well as object lighting well, use the metering on the sky and fill flash on the object. This will produce the right blend and fit.

5. The sky clouded over. When the sky clouded over, you should use the flash because the effect will gloomy cloud, as if we are in the shadow.

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Using of Blitz/Flash in the Room.

Blitz can be used in indoor and outdoor space, depending on needs, but the flash is used more in the room. The reason is because the lighting in the room is usually a bit less bright light to produce a good image. Indeed, there are techniques using SHUTTER slow speed to capture more light, but usually this is the picture a bit blur because of the fluctuation of movement of the cameraman and the images that we want. Therefore, we usually use the flash.

Using of flash is very simple, we can use in the digital camera settings and let auto perform its duties, or we can also make your own settings using the calculations have been done above, it is not difficult, but there are some things we need to look to get maximum results:

1. Photographs should not object too close to the flash facing the upright. for example with flash GN 20 that I was inadequate as an external flash for digital cameras in shooting indoor pool (not the hall). If we want to photograph objects on the distance of 2 meters with the ISO / ASA 200 then we need f/16 which is not available on most of the PDC and will make the picture over. Therefore, for the PDC / DSLR there is usually already built-in flash that has TTL and GN quite small (8-12 on the part of the PDC, 12-14 on the DSLR). Use of the flash to an external object that is closer.

2. Combine with flash SHUTTER slow speed to get the main object obtained with both light and background also has a good source of light. This is a technique that we should try and often produces a beautiful picture. Do not be afraid to use a low speed because the object is to have recorded freezing akan flash (freeze).

3. When the room is rather dark, be carefull with effects of a red eye. Red eye effect occurs because the eye pupil up to familiarize oneself with the lighting a little dark, but suddenly have a very bright light from the flash. If the camera and / or there is a flash facility pre-flash/red eye reduction, use this. If not, change the angle comes with flash light in order not to direct the eye.

4. In the room if there is a strong light source such as Spotlight, Avoid taking with facing directly to the source of strong light unless you want to get siluet that is not perfect (compensation under 1 - to 2 stop siluet good). In such conditions, use flash to fill in / illuminate an object you want is photogenic.

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