ISO (ASA)
Aperture (Diaphragm)
Speed (Speed)
The combination of these three elements will make an image. With the right combination, we will be able to create a perfect photo. And conversely, if it is not right to combine these 3 things, then we will not achieve the correct exposure or lighting. Let us consider further about these three things more deeply, in order to better know the workings of a digital camera:
ISO
ISO is the sensitivity of the camera sensor to light. This sensor is useful for recording light, and making it an image. The light around us has different intensities, so to capture an image in a very bright light requires a different ISO when we take pictures in a dark room. In the cliché, each roll of film already has a specified ISO. So for example we will do photoshoot outdoors during the day, then usually we will install a roll of film that is ISO 100. If we plan to pass the photo indoors, usually we would be advised to buy a roll of film that is ISO 400. But in Today's digital world, photography is greatly facilitated by the presence of digital cameras. A photographer is now able to change the ISO or sensitivity of his sensors by simply pressing a button only. We no longer have to replace the film roll if it moves from outdoor to indoor, and vice versa. Digital cameras now have an ISO range ranging from 50 to 25,600, even the latest technology allows higher ISOs, so it is helpful to capture images in very low light conditions. But naturally, the used is ISO 100 to 1600. The higher the ISO is used, then: The higher the 'noise' in the image. This 'Noise' is the spots found in an image, which often appear when photographed in a dark room using HP. The image will become lighter - because the sensor becomes more sensitive to light. Picture quality is decreasing. Due to the annoying noise, then taking a high ISO image will reduce the detail of an image. So, as a standard rule, use the ISO as low as you can achieve. If doing a photo session outdoors in the hot sun, use ISO 100-200. For shooting in a room with sufficient lighting, use ISO 400 - 800. And when passing photoshoot at night or in a dark room, use ISO 1600 - 3200. Do not be afraid to use high ISO, because digital cameras now very sophisticated and able to anticipate excessive noise.
Aperture (Diaphragm)
Aperture or diaphragm is the "opening" of the lens we use. This opening is measured with the term "f stop", for example "f1.2, f2.0, f8.0, f11, and so on. The smaller the f-stop number, then:
• openings will become larger
• more light is allowed to enter the sensor
• the image will be lighter "depth of field" or the focus space will narrow.
Each lens has a different f-stop. For example, a 50mm f1.8 lens means the 50mm lens has a f1.8 diaphragm at the largest aperture. A zoom lens such as 18-55mm f3.5-5.6 means having the largest opening in f3.5 when using it at 18mm, and has the largest f5.6 openings when zooming at 55mm. Large openings will allow more light to enter the camera to be recorded by the sensor. Not only that, the focus room will also be affected. "Depth of field" is good for model shooting is a narrow, so that the model only focus and background blur. Then that is, use a large aperture when the model photo or where you want to separate an object from its background. For landscape or landscape shooting, photographers usually want to capture the entire composition sharply, so use a small f-stop, f8.0 or f20
Speed (Speed)
The speed in question is how fast the camera shutter to expose the light into the sensor in the camera. This speed is measured by seconds, for example 30 "on camera means 30 seconds. For faster speed, the camera will usually be written 125, which actually means 1/125 seconds (0.008 seconds). The ability of digital cameras now typically puncture 1/8000 seconds, which is often used to photograph an action like a sport game. The slower the speed, then: the more light recorded by the image sensor will become brighter. Human hands are usually able to hold the camera without shake in speed 1/60 - 1/200, so if you take pictures by holding the camera (without using a tripod), try to keep the speed at 1/60 - 1/200. If want to be able to record action or movement fast enough.
Aperture (Diaphragm)
Speed (Speed)
The combination of these three elements will make an image. With the right combination, we will be able to create a perfect photo. And conversely, if it is not right to combine these 3 things, then we will not achieve the correct exposure or lighting. Let us consider further about these three things more deeply, in order to better know the workings of a digital camera:
ISO
ISO is the sensitivity of the camera sensor to light. This sensor is useful for recording light, and making it an image. The light around us has different intensities, so to capture an image in a very bright light requires a different ISO when we take pictures in a dark room. In the cliché, each roll of film already has a specified ISO. So for example we will do photoshoot outdoors during the day, then usually we will install a roll of film that is ISO 100. If we plan to pass the photo indoors, usually we would be advised to buy a roll of film that is ISO 400. But in Today's digital world, photography is greatly facilitated by the presence of digital cameras. A photographer is now able to change the ISO or sensitivity of his sensors by simply pressing a button only. We no longer have to replace the film roll if it moves from outdoor to indoor, and vice versa. Digital cameras now have an ISO range ranging from 50 to 25,600, even the latest technology allows higher ISOs, so it is helpful to capture images in very low light conditions. But naturally, the used is ISO 100 to 1600. The higher the ISO is used, then: The higher the 'noise' in the image. This 'Noise' is the spots found in an image, which often appear when photographed in a dark room using HP. The image will become lighter - because the sensor becomes more sensitive to light. Picture quality is decreasing. Due to the annoying noise, then taking a high ISO image will reduce the detail of an image. So, as a standard rule, use the ISO as low as you can achieve. If doing a photo session outdoors in the hot sun, use ISO 100-200. For shooting in a room with sufficient lighting, use ISO 400 - 800. And when passing photoshoot at night or in a dark room, use ISO 1600 - 3200. Do not be afraid to use high ISO, because digital cameras now very sophisticated and able to anticipate excessive noise.
Aperture (Diaphragm)
Aperture or diaphragm is the "opening" of the lens we use. This opening is measured with the term "f stop", for example "f1.2, f2.0, f8.0, f11, and so on. The smaller the f-stop number, then:
• openings will become larger
• more light is allowed to enter the sensor
• the image will be lighter "depth of field" or the focus space will narrow.
Each lens has a different f-stop. For example, a 50mm f1.8 lens means the 50mm lens has a f1.8 diaphragm at the largest aperture. A zoom lens such as 18-55mm f3.5-5.6 means having the largest opening in f3.5 when using it at 18mm, and has the largest f5.6 openings when zooming at 55mm. Large openings will allow more light to enter the camera to be recorded by the sensor. Not only that, the focus room will also be affected. "Depth of field" is good for model shooting is a narrow, so that the model only focus and background blur. Then that is, use a large aperture when the model photo or where you want to separate an object from its background. For landscape or landscape shooting, photographers usually want to capture the entire composition sharply, so use a small f-stop, f8.0 or f20
Speed (Speed)
The speed in question is how fast the camera shutter to expose the light into the sensor in the camera. This speed is measured by seconds, for example 30 "on camera means 30 seconds. For faster speed, the camera will usually be written 125, which actually means 1/125 seconds (0.008 seconds). The ability of digital cameras now typically puncture 1/8000 seconds, which is often used to photograph an action like a sport game. The slower the speed, then: the more light recorded by the image sensor will become brighter. Human hands are usually able to hold the camera without shake in speed 1/60 - 1/200, so if you take pictures by holding the camera (without using a tripod), try to keep the speed at 1/60 - 1/200. If want to be able to record action or movement fast enough.
