What is the difference between the aperture and exposure of photography?
The aperture was an adjustment opening in the lens that was used to control the amount of light entering the camera. It was represented by the f-stop (f-value). The smaller the f-value, the larger the aperture opening, and the more light entered. The larger the f-value, the smaller the aperture opening, and the less light entered. The aperture adjustment also affected the depth of field of the photo. The exposure was the amount of light accumulated on the photo during imaging, which affected the brightness of the image. The exposure was determined by the three factors of aperture, shutter, and USB. The larger the aperture, the slower the shutter, and the higher the USB, the greater the exposure. However, it was usually necessary to balance the relationship between these three factors to prevent the picture from being overexposed or under-exposed. Therefore, the aperture was a component that controlled the amount of light entering the photo and was one of the factors that affected the exposure. The exposure was the total amount of light accumulated when the photo was formed. It was a comprehensive concept. Read more exciting novels for free
Is the aperture of photography related to exposure? Why?
Aperture and exposure were related. In photography, exposure refers to the amount of light that passes through the lens (aperture) and shutter to reach the film or sensor. The size of the aperture would affect the amount of light entering, which in turn affected the exposure. The size of the aperture was represented by the f-stop (f-value). The smaller the f-value, the larger the aperture opening, allowing more light to enter per unit of time, and the brighter the picture. The larger the f-value, the smaller the aperture opening, and the less light entering, and the darker the picture. Under the condition that the shutter speed and sensitivity were fixed, the larger the aperture, the more light could reach the image sensor through the lens, and the brighter the picture was. The smaller the aperture, the less light could reach the image sensor through the lens, and the darker the picture was. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Virtual aperture photography
Virtual aperture photography was mainly used in the field of mobile photography. On the phone, some of the display apertures that could be adjusted were not the real aperture structure like the camera, but a virtual mode of the software, which was equivalent to the blurring and sharpness adjustment options in the retouching software. The phone's "large aperture" mode had the following characteristics: 1. The virtual aperture value can be changed within a certain range, such as f/1.0 - 16, and the virtual minimum aperture value may exceed the minimum aperture value of the phone's main camera lens. 2. It was a separate setting for obtaining a blurred background effect, independent of the phone's light measurement system. The change in the virtual aperture value would only affect the blurred background of the subject and the clear range. It would not affect the amount of light passing through the lens. Different brands of mobile phones had different menu settings and ways to activate the "Big Aperture". Some brands of mobile phones had this mode set separately, and it could usually be activated from the "More" menu of the mobile phone camera. Its main function was to blur the background and highlight the main body. It was more suitable for shooting scenes such as daily shots of people or still life, portraits, and so on. Although the equivalent aperture of the phone lens was roughly equivalent to the F11 - F13 of a full-frame camera (which belonged to the small aperture range), the virtual aperture algorithm could provide a good background blurring effect in most scenes. However, there might be problems such as misjudging the blurred object. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Food photography aperture
In gourmet photography, the aperture setting needed to be carefully chosen. Generally speaking, it is not recommended to use the largest or smallest aperture. The maximum aperture might cause the depth of field to be too shallow, making it impossible to correctly distinguish the outline and shape of the food, thus affecting the effect of the photo. The minimum aperture may not be able to meet the ideal exposure or artistic effect requirements in some cases. The most suitable aperture range was around 5 - 11. The aperture in this range could ensure that the outline of the food was clear and the shape was recognizable. It could also create a three-dimensional effect and produce a better food photography work. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
indoor decoration photography aperture
If it was a close-up of small things in the studio, such as flowers, birds, and insects, when using the Av file, the aperture should be f5.6 or below, and the focal length should be above 50. Try to shoot within 1 meter to blur the background. Shooting people basically used a larger aperture (within f5.6), a focal length of 50mm or more, and the shooting distance was determined by the full body, half body, and head shot. If you want to shoot in an indoor home environment, you can use a small aperture of F16 or above to ensure that the details are clear. The larger the aperture, the clearer the photo could be taken under a certain amount of light, and the lower the light required. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Large aperture lens photography
Large aperture lenses could produce many unique effects in photography. In portrait photography, a large aperture lens could create a shallow depth of field effect, making the subject clear and the background blurred. For example, the lens of Nikon 105mmF1.4E and Canon 85mmF1.2L II USM could soften the background when shooting portraits, making the characters more prominent. At the same time, the out-of-focus image could show a soft light spot effect. In night photography, a large aperture helped to increase the amount of light entering in a dimly lit environment. For example, when shooting a portrait at night, a large aperture lens could ensure a safe shutter speed while increasing the overall brightness of the picture. For example, when the Sony-ZVE 10 was matched with a 0.95 large aperture lens, the ideal effect could be obtained by setting parameters such as 50mm 160s, f0/95, and Iso160. In terms of flower photography and skit photography, a large aperture lens was also a good choice. For example, when shooting a sketch with a Zeiss 75mm f1.5, the blurred effect brought by the large aperture could make the subject more prominent and have a unique layering. However, when shooting with a large aperture lens, for some lenses, the maximum aperture may have problems such as poor image quality, bi-linear, purple edges, etc. For example, 35mm f/1.4L II would have obvious purple edges when using the maximum aperture, while higher quality lenses such as 85mm f1.2, 135mm f2 and other maximum apertures could be used. For cheaper lenses such as 50mm f1.8 or f1.4, the aperture would be better at 1 - 2. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Bust photography lens and aperture
When shooting a half-length portrait, the aperture could be chosen from F1.2 to F4, the sensitivity was set to 100, the focal length was the widest, and the exposure of the person's face was the standard. The color of the clothes had to be distinguished from the background. The smaller the aperture value, the larger the opening and closing aperture (large aperture), allowing more light to enter the camera sensor. The image outside the focused object would be more blurred and the subject would be highlighted. The larger the aperture value, the smaller the opening and closing aperture (small aperture), the less light entering the camera sensor, and the overall image would look clearer. Different apertures had different effects and uses in a half-body portrait. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Aperture for outdoor portrait photography
In outdoor portrait photography, different focal lengths and apertures had different effects. ** 1. Focus Section ** 1. ** Medium and telephoto lens ** - For example, the 85mm focal length was almost regarded as the king focal length of portrait photography. Its shooting angle was about 28 degrees, and with the large aperture, the background could be easily simplified and the characters could be highlighted. The background blurring effect was good, and it was very suitable for outdoor shooting in messy environments and partial portraits. - A lens with a focal length of 24 - 70mm and an aperture of 2.8 could meet the needs of most scenes. 2. ** Multifocal Portrait Shot ** - For example, the rear of the Huawei nova 13 series is equipped with 50 million multi-focal length portrait three-camera, of which 50 million physical iris lenses support intelligent switching from F1.4 to F4.0, and different focal lengths respond to different shooting needs. ** 2. Aperture ** 1. ** Large Aperture (f/1.4 - f/2.8)** - It was suitable for single person shooting and could produce beautiful bokeh. It was suitable for photos that wanted to blur the background. In travel photography, it was also suitable for taking photos under low light, such as taking beautiful bokeh photos in the city at night. However, when using low f-value shooting, one had to be careful that the focus might become blurry. 2. **f/4** - It was suitable for single shots. When shooting in cloudy weather, it could record rich details. Most lenses used this as the minimum aperture value. The portrait image shot with f/4 was clearer than that shot with a large aperture. Although the background was not very clear, it could still tell the story clearly. 3. **f/5.6** - It was suitable for two people to shoot, such as couples and pairs. When setting the aperture, it was necessary to pay attention to the use of a larger aperture to shoot. There might be a risk of one person being clear and the other person out of focus, so the distance between the two portraits should be roughly the same. 4. **f/8** - It was suitable for taking a group photo, such as taking a group photo with a group of friends. Lowering the f-value would help to take a clear group photo, and the background information would be clearer. 5. **f/11 - 16** - It is suitable for people and landscape photography, portrait photography, outdoor photography, strong light or daytime photography (including backlighting photography). It can prevent too much light from entering the sensor. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Portrait photography aperture shutter value
In portrait photography, the choice of aperture and shutter value depends on many factors. The following are some common situations: ** 1. Aperture value ** 1. ** Protruding the main character and blurring the background ** - Usually, you want to choose a larger aperture (smaller F value), such as F1.8, F2.8, etc. This would reduce the depth of field and blur the background, thus accentuating the main character, reducing background interference and increasing the atmosphere. However, if the aperture was too large (the F value was too small), it might cause the picture to be too bright or too blurred, and even some details of the character would lose clarity. 2. ** Special circumstances ** - When taking a group photo, in order to make the front, back, left and right people clear, you can use a small aperture, such as F9 - F13. - When shooting landscape portraits, try to use a smaller aperture, such as F6.5 - F11. - When shooting a person's side profile, if you use a large aperture lens, the aperture should not be fully opened to avoid the shallow depth of field, which would cause only one eye to be clear. When shooting portraits and photos, the aperture can be smaller, such as F7 - F9, to ensure the clarity of the details of the person and clothing. - When taking photos with a small proportion of people, use a small aperture such as F8 to avoid a large area of blurriness other than the person. - When you are very close to the character, do not open the aperture if you use a large aperture lens to avoid the depth of field being too shallow. - When shooting a moving portrait, a small aperture F8 - 13 could be used to improve the clarity of the subject. - When shooting a documentary portrait, if the lighting conditions were acceptable, F6.5 was generally used. ** 2. Shutter Number ** 1. ** General situation ** - To avoid blurring due to the subject or the photographer's hand shaking, the shutter speed is recommended to be 1/125 second or faster. 2. ** Special circumstances ** - When shooting a portrait in a dark environment, priority should be given to a large aperture and an appropriate increase in the USB to ensure sufficient exposure. The shutter speed should be adjusted according to the actual lighting conditions. Under the premise of ensuring stable hand-held, the shutter speed should be reduced as much as possible to obtain sufficient exposure. - When shooting a night portrait, the shutter speed should be 1/60 seconds or faster to prevent the character from blurring. - If a special shooting method such as double exposure was used, for example, a photo with a slow shutter speed and a flash, the shutter speed would be slow (if it was a long exposure, it could be adjusted according to the shooting needs). The shutter would be pressed to start the photo, and the flash would freeze the person. When the shutter was not closed, the light would still be shining, and the camera would still be recording. The camera would move slightly and the trajectory would appear. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Short exposure photography
Is the aperture or speed priority for dynamic photography? Video
If the subject of motion photography was static (for example, shooting a character in a snow scene, but the character was still), the aperture priority could be selected. If you wanted a small depth of field effect, set the aperture to a large aperture and shoot close to the subject. If you wanted a large depth of field effect, set the aperture to a small aperture. If the subject of motion photography was moving (such as shooting animals running in the snow, flying snowflakes, etc.), it was better to choose the shutter first. The specific shutter speed setting depended on the speed of the dynamic subject, the distance of the dynamic subject from the camera, and the direction of motion. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>