What are the dangers of long exposure photography?Long exposure photography may have the following dangers:
1. ** Shaking caused by anti-shake system **: When the camera is placed on a tripod for a long exposure, if the anti-shake system is turned on, the camera may misjudge and try to compensate for non-existent shaking, resulting in shaking or blurring.
2. ** Reflective Plate Causes Vibrations (DSLR)**: When a DSLR camera takes a long exposure shot, the movement of the reflective plate when the shutter is pressed will cause the body to vibrate slightly, which may cause the photo to be blurred.
3. ** Image Quality Decline **: When the aperture is set to f/22 or lower to extend the exposure time, the sharpness of the image will be greatly reduced due to optical refraction.
4. ** Increase noise **: Exposing for a long time under high sensitivity may increase noise, resulting in a decrease in image quality.
5. ** Damage to the shutter system **: If the shutter is still open when the battery is dead, or if the camera is turned off and then turned on during the shooting process, it is not good for the shutter system. Moreover, every exposure of the camera has an impact on the life of the camera. Although the damage of the exposure duration under normal use is minimal, the special light source or long-term exposure under strong light may cause damage to the camera.
6. ** Rising temperature of the sensor (professional camera)**: Prolonged exposure of a professional camera may cause the temperature of the sensor to rise, affecting performance and even temporarily burning. Therefore, you must pay attention to heat dissipation and control the time reasonably.
7. ** Danger of lens damage **: If the lens cover is not properly closed during long exposure, dust or small bugs may enter and damage the lens.
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Mobile phone photography teaching long exposure photography skillsHere are some long-exposure photography techniques:
- Take advantage of the phone's built-in function: Many phones came with a " streamer shutter " mode, which could be found by turning on the " more " button in the phone's camera. There were a variety of modes available for long exposure effects.
- " Heavy traffic " mode: It was often used to capture the night view of the city and the tracks of traffic. When shooting, he would fix the phone on a tripod or octopus, then turn on the phone camera, click on "More", then click on "Flowing Light Shutter", and then click on "Heavy Transportation" to shoot. Note that the shooting time should not be too long. Try to control it within 5 seconds. The specific time can be determined according to the situation on the spot.
- [Light Graffiti': Able to capture the movement of light sources at night.] The shooting steps were to fix the phone on a tripod or octopus, then turn on the phone camera, click on "More", then click on "Flowing Light Shutter", and then click on "Light Painting Graffito".
- Silk Flowing Water: Take the Huawei mobile phone as an example. The operation steps are as follows: the first step is to open the camera and select more; the second step is to select the streamer shutter; the third step is to select the silk flowing water; the fourth step is to compose the picture. You need to find a stationary object and focus on it. For example, you can choose the intersection between the sky and the object. After the image is formed, the picture is stable and the mobile phone will balance the brightness and exposure of the whole picture through an algorithm. The fifth step was to control the exposure time, which was set according to the desired effect. For example, the exposure time of the shooting body was about 2 minutes. If the water surface waves were large, the exposure time could be extended to ensure the effect. The sixth step was to use a tripod for shooting.
- If your phone doesn't have the "streamer shutter" function or uses the phone's professional shooting mode:
- It was necessary to use a stable shooting posture and auxiliary equipment such as a tripod to avoid shaking and loss of focus, because even a slight shake during a long exposure would blur the picture.
- You need to choose the right shutter speed to capture the scene and effect you want.
- Pay attention to the quality and color of the light. You can also use filter and other accessories to enhance the effect of the photo.
- Accurately adjust and set the camera before shooting to ensure the accuracy and clarity of the photo.
- For some mobile phones, click on the live scene in the upper right corner and then take a photo. When taking a photo, you must not shake your hand. After the photo is taken, click on the picture, click on the live scene in the upper left corner, and choose the long exposure in the menu below. You can adjust it later.
- Some general points:
- When composing a picture, one had to take into account the fact that long exposure was to record the trajectory of moving objects. Find a stationary object to focus on to avoid blurring the picture.
- The exposure time needed to be set according to the scene and the desired effect. For example, the time setting for shooting different scenes such as water flow and clouds was different.
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Siji landscape photographyLandscape photography of the four seasons had their own characteristics and techniques:
** 1. Spring **
1. ** Photographer and Color **
- In spring, plants sprout and flowers bloom. Shooting flowers and plants can show vitality. At this time, the colors were rich, and many photographers focused on this.
- In terms of light selection, the spring light could choose the right light position to shoot works with high color saturation, large contrast, and good quality. Soft light could highlight the delicate and beautiful plants.
2. ** Composing and Shooting Techniques **
- When there were clouds in the sky, it could increase the proportion of the sky in the picture, allowing the clouds to contrast and echo with the scenery on the ground.
- Using the flower branch as the front and shooting at an elevated angle, the flower branch became a guiding line to guide the line of sight deeper into the picture.
- When shooting the big trees from a distance, choose the right angle and composition according to the scene. When it was wide, you could shoot from a distance. When it was too chaotic, let the flowers and trees fill the picture.
- Squat down and take a picture of the flowering trees. Use the lawn as the background and pay attention to the lighting effects.
- Let the characters appear as "dots" in the scene, such as the characters walking in the flowers or resting under the trees, to increase the sense of the story.
- Wait for moving objects (such as butterflies, children, tree branches, etc.) to appear in the picture and capture the wonderful moment.
- The main color of the control screen should not exceed 3, and the representative colors (such as green, pink, white, etc.) should be selected as the main color.
- Using roads, rivers, and other guiding lines to compose the picture increased the depth of the picture.
** 2. Summer **
1. ** Photographer and Color **
- The sunlight was long in summer, but the strong sunlight easily caused a large contrast between light and dark. Pay attention to the shooting time. It's better to choose between dawn and 10 a.m. or after 6 p.m.
- In summer, plants grew vigorously and insects were active. It was possible to take pictures of blue skies, rainbows after rain, turquoise seas, and other scenery that represented the colors of summer.
2. ** Shooting Techniques **
- Pay attention to avoid the strong contrast caused by the strong sunlight.
** 3. Autumn **
1. ** Photographer and Color **
- In autumn, the atmosphere was more transparent, the sky was bluer, and the light was softer.
- In the autumn season, yellow was everywhere. Shooting the changes of plants and flowers could show the colors of autumn, and it could also express emotions through the aging and withering of plants.
2. ** Shooting Techniques **
- Using the unique soft light and color characteristics of autumn, the composition was shot.
** IV. Winter **
1. ** Photographer and Color **
- Many people thought that only ice and snow could be photographed in winter, but that was not the case. In winter, the sun's position was low, so it would not cause a huge contrast to the scenery. There was no obvious shadow, and the oblique light could reveal the texture of the object.
- They were looking for scenery that represented the characteristics of winter and had bright colors to shoot.
2. ** Shooting Techniques **
- The special lighting conditions in winter, such as slanted light, were used to express the scenery.
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Landscape photography lensIn landscape photography, different types of lenses had their own characteristics and uses.
** 1. Wide-angle lens **
1. ** Specialties **
- It provides a wide field of vision and can include the entire landscape into the picture, from the front to the horizon.
- With the widest depth of field, it can focus on the entire scenery, so that the front and back scenes of the subject can be clearly reproduced on the screen.
- Distortion would magnify the objects in the background, showing close-up details, and emphasizing the guide lines, enhancing the dynamic of the composition.
2. ** Exemplary recommended shots **
- Nikon Z14 - 24mm F2.8S: An all-round upgrade. Its design and performance surpass the same type of lens with a single-lens reflex mount. It is no longer a big bulb design. Its size and weight are greatly reduced. It weighs only 650g. It comes with two disassembled hoods and a rear filter slot. It is excellent in glare, distortion, and dispersion control.
- Canon RF15 - 35F2.8LIS USM: A super wide-angle lens with excellent image quality and optical performance. The wide-angle end is wider by 1mm, and the viewing angle is increased to 110°. It has a non-bulb structure design, 82 filter size, reduced cost, and a weight of 840g. It has good anti-glare performance. It is equipped with optical image stabilization to achieve 1/2 second hand-held shooting.
- SIGMA16 - 28mm F2.8DG Continental: Picture quality comparable to Tamron 17 - 28mm F2.8, focal length 1mm wider than 17 - 28mm.
- You could also consider a 16 - 35 wide-angle zoom lens.
** 2. Telephoto lens **
1. ** Specialties **
- A narrow field of view, suitable for trimming excess elements and focusing on small but beautiful scenes, such as the curve of a mountain, the reflection of a pond in the distance, or the silhouette of a tree.
- It could compress the space, making it easier to highlight the main body. It was easy to get started, and the composition was extremely flexible. It had the ability to make deductions.
2. ** Exemplary recommended shots **
- 70 - 200mm focal length:
- Tenglong 70 - 200 (G2): Fast focusing speed, improved edge quality, brand new price 7490 yuan.
- Sony users could choose the 70 - 180mm (A056) from Tenglong, priced at 6890 yuan. From the MTF curve, the sharpness of the 70mm end and 180mm end was close to the original 70 - 200GM.
- Canon users with high cost-performance ratio could choose the White Rabbit EF70 - 200mm f/2.8L IS II USM (second generation), and the second-hand quality was more than 7000 yuan; those with weight requirements could choose the 70 - 200mm f/4L IS II USM; Canon non-reflective users could choose the lightweight RF70 - 200F4, and those who pursued higher directly chose the RF70 - 200F2.8.
- Nikon users could choose to use the Electromagnetic Gun or the 70 - 200 Z-mount.
- If the users didn't mind the focus and weight, the 70 - 200F2.8 first-generation model was very cost-effective. After the second-generation model was released, the first-generation model would have a small price reduction. The second-generation model was 29% lighter than the first-generation model and the difference in focus.
- 100 - 400mm focal length:
- The sub-factory's Sigma100 - 400 and Tenglong 100 - 400 could be selected. They were suitable for shooting birds when they were occasionally idle and lotus flowers during the lotus season. The Sigma100 - 400mm part of the sharpness for the Sony-compatible users was higher, but the focus was slow and the light was slightly weak. It could be used as a tourist attraction. The Nikon Z100 - 400mm F4.5 - 5.6 VR S had fast focusing speed and no shortcomings. It was the top lens of its type. The quality of the lens was good from the center to the edge. The anti-glare, dispersion control, and dark angle control were in place. It was suitable for shooting sunrise and sunset in landscape photography. It also had twice the effect with half the effort in broad scenes such as mountains and grasslands.
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Memories of landscape photographyHere are some descriptions of landscape photography:
- In one of the landscape photography works, the yellow and green trees on the mountainside were the embellishment of the picture. The sky and the lake were blue and echoed each other. The details of the cliffs and the clear water were displayed in place. The composition was complete, and the proportion of the top and bottom was well controlled. The middle scene was cut in, and the color control was good. There was basically no extra color. The blue color echoed from top to bottom, and the yellow and green embellishment in the middle.
- In a grassland photography work, the wooden house and two trees were the backbone of the picture. The details of the clouds in the sky were good, but there was a problem that the grass in front of him was relatively bald, which affected the visual effect. The picture was not saturated enough and looked gray.
- It was a photo taken in the early morning with fog, creating a mysterious atmosphere. The composition was symmetrical, and the white line in the middle of the road divided the picture equally. The picture was mainly composed of black, white and gray, and the colors were simple.
- It was a work shot along the road. It had a strong sense of perspective. The overall color of the picture was blue, gray, and yellow. However, the trees on the left side of the picture were taller than the trees on the right, causing the picture to be unbalanced.
- The sea of flowers was paired with the setting sun. The red, green, yellow, and blue colors had a strong impact. The picture was clean and tidy, but there were problems with the sun being too exposed and the trees in the middle of the photo forming black lines.
- Silhouette photos were taken calmly. The timing was good. The exposure of the clouds made the figure into a pure black silhouette, but the figure was a little integrated with the dark area below. By lowering the camera, the figure could be highlighted on the water or in the sky. There was also a photo that seemed to be completely virtual, but there was a combination of virtual and real, abstracting lines and points. There was also a photo with a slow door effect but the composition was not ideal. The water in the slow door did not show lines and shapes, but only clumps.
In addition, some landscape photography works with different problems or characteristics were mentioned, such as works with unclear contrast between reality and reality, unclear subject, lack of contrast in the picture, unreasonable use of upside-down photography, etc., as well as some award-winning landscape photography works such as Snow Mountain Soul and Mount Tai Scenery.
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Art landscape photographyLandscape photography is an important field of photography. The following are the key points:
** 1. Picture composition **
1. ** Foreground Guidance **
- By integrating elements such as trees, rocks, and flowers into the picture, it could guide the audience's gaze, deepen the depth and layering of the picture, and at the same time enhance the three-dimensional sense and liveliness.
2. ** Image Split **
- The "three-point method" could be used to divide the picture into three parts and place the main body on the dividing line to achieve balance and attractiveness of the picture. For example, the lake, the mountains, and the sky occupied different parts of the picture to build a harmonious layout.
3. ** Symmetries and Balance **
- Finding symmetrical elements in nature, such as reflecting water and symmetrical peaks, could strengthen the sense of balance and stability of the picture.
4. ** Perception **
- The use of perspective lines and visual effects, such as the arrangement of trees, paths, and mountains, can enhance the depth and distance of the picture, making the picture more spacious and charming.
5. ** High and low angle **
- Try different shooting angles. Looking down or looking up will bring different visual effects. For example, looking down can show the gorgeous scene of the sea of flowers.
6. ** Breaking through tradition **
- Occasionally, they would abandon the traditional composition rules and adopt new and bold composition methods, such as reflection and slanted composition, which could bring unexpected visual impact.
** 2. Light and exposure **
1. ** Golden hour **
- The light in the morning and evening was soft and warm, which was the "golden hour". This kind of light was suitable for landscape photography, creating a romantic and mysterious atmosphere, making the landscape photos have soft light and rich colors.
2. ** Cloudy and dark conditions **
- Under cloudy or dark conditions, the light was soft, and the color and details of the landscape photos were more balanced. The camera may need to increase the exposure appropriately to maintain the brightness of the picture and avoid overexposed.
3. ** Highlights and Shadows **
- Landscape photography often faced a situation where the contrast between high light and shadows was large, especially when the sun was strong. Carefully adjust the exposure. You may need to use tools such as a gradient-changing ND filter to control the brightness of the highlight area.
4. ** Long exposure **
- It can be used to capture flowing water or clouds to create a soft atmosphere and dynamic effect. Use the ND filter to reduce the amount of light entering to extend the exposure time.
5. ** Scenes with obvious contrast **
- When the light contrast is very obvious, you can use HVR technology to take multiple photos with different exposure and post-synthesis to preserve the highlights and shadow details.
6. ** Taking advantage of weather conditions **
- Different weather conditions affected the color and texture of the light. The landscape photos taken on foggy or rainy days had a psychedelic and mysterious feeling, while those taken on sunny days were brighter and clearer.
** 3. Focus and depth of field **
1. ** Focus *
- For distant mountain peaks or the entire landscape, you can choose infinite focus or hyperfocal focus to ensure that both the background and the background are clear. For close-up elements such as flowers or stones in the background, you can choose single-point focus or manual focus to accurately focus.
2. ** Depth of Field **
- Landscape photography usually pursued a large depth of field, allowing the entire picture to remain clear from the front to the back. For greater depth of field, a smaller aperture (larger f-value) can be used.
** 4. Creation of artistic conception **
1. ** Empty (left blank)**
- Similar to the white space in traditional China art, it was called negative space in photography. A reasonable amount of white space could strengthen the sense of form of the picture structure. It did not necessarily have to be a large proportion of white space, but it had to allow the picture to have space to extend and leave an aftertaste.
2. ** Spirit (Fresh)**
- Scenery films had to make people feel as if they were there, documentary films had to make people empathize, and flowers and plants films had to make people feel relaxed and happy. This was the "spirit" in photography, the "art" above the technique.
3. ** Intent (Style and Mind)**
- Photographs captured what was on one's mind, and even documentary photography had its limits. The meaning was reflected in the choice of scenery, the height of the shooting angle, and the layout of the picture. It was a manifestation of style and breadth of mind.
4. ** Realm (height of mind)**
- It refers to the height of the meaning. In photography, it is the degree of technical perfection. For example, technical factors such as controlling the light ratio in different situations can help to express the artistic conception.
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Landscape photography thesisThe following is an example of a thesis on landscape photography:
** Title: Photographic Landscape: Esthetics, Historical Development and Modern Meaning **
** abstract **: This paper aims to explore many aspects of landscape photography, including the evolution of its aesthetic content, its development in the historical process, and its contemporary significance. Through the analysis of the characteristics of the landscape photography in different periods, it reveals its unique value in the field of art and social culture.
** I. Introduction **
Landscape photography had become an important part of photography since its birth. It was not only a simple record of natural landscape, but also contained profound aesthetic value, reflecting different historical and cultural backgrounds and the change of people's cognitive attitude towards nature.
** 2. The aesthetic meaning of the landscape photography **
(I) Early aesthetic features
1. "picturesque" aesthetics
The early landscape photography was influenced by the painting model. Under the influence of romanticism and the style of painting, it had the aesthetic characteristics of "painting". The photographer's description of nature was emotional and had a wide range of topics, from primitive landscapes to idyllic scenery, urban streetscapes to rural scenery. The landscape photography works of this period focused on the resonance of the soul and the expression of artistic charm. For example, Carlton Watkins of the United States. His photography works were balanced in composition, exquisite in tone, and often compared to paintings. His works expressed the harmonious relationship between man and nature.
2. From the aesthetic essence
The aesthetic essence of landscape photography was a dialogue between man and nature. Artists put their feelings into the scenery, making the work not only record nature, but also contain passion. The beauty contained in the natural scene was rich and profound. It was connected to real life and transcended the secular world. Natural scenery was personified by matching the laws of human inner spiritual movement, becoming a symbol of human inner spirit, thus triggering emotional resonance.
(II) Realistic aesthetics of the modern era
At the beginning of the 20th century, photography and painting parted ways. Modern landscape photography pursued the path of pure photography, emphasizing the spirit of nature and realistic aesthetics. This kind of pure photography advocated direct, instantaneous, and mechanical aesthetics, which was in line with the theme of the art media and forms of expression emphasized by the modern world.
(3) The sublime aesthetics of the post-modern era (can be extended according to the hints in the reference materials about the development of landscape photography aesthetics into the post-modern era)
With the development of the times, the aesthetics of landscape photography developed into the sublime aesthetics of post-modernism. Its characteristics were reflected in the records of man-made landscapes and the deeper and more complex expression of the relationship between humans and nature.
** 3. Historical Development of Photographic Scenery **
Early Development
After the invention of photography in 1839, landscape photography in the 19th century developed in different directions. On the one hand, it became a tool for the colonial expansion of the European Empire, mastering the geological features of the colonies, and excavating archaeological discoveries. At the same time, the emerging middle class integrated it into tourism and memorial activities. Explorers and geomographers used it as a research model. The works had the dual functions of providing visual evidence and exchanging goods.
20th Century Development
In the 20th century, two camps of landscape photography developed under the influence of the modern trend of thought. On one side, the F64 team represented by Ethel Adams was influenced by pure photography in the United States. On the other side, Walker Evans, who came out of the American Agricultural Safety Administration, insisted on a simple and realistic style. He influenced a group of young photographers to pay attention to their relationship with their surroundings. There was also typological photography influenced by German neo-objectist photography. Later, American landscape photography developed in the direction of new topography photography, and together with German typological photography, they developed contemporary landscape photography.
** IV. The meaning of landscape photography in the present age **
(I) The Value of Traveling Photographs
In the modern era, landscape photography was one of the most important forms of tourism photography, playing an important role in the excavation and transmission of tourism resources. It helped to show the charm of the scenic spot and attract people to go sightseeing. However, with the popularity of photography, there were some problems, such as the assimilation of works, the over-pursuit of form and neglect of content, resulting in some phenomena called "sugar film". However, this did not deny the value of landscape photography. As long as the subjective and objective, content and form were unified, landscape photography would still have a bright future.
(II) Public aesthetics and cultural communication
Landscape photography works were widely spread through various channels, affecting the public's aesthetic concept. From the early days of satisfying the curiosity of Europeans about the mysterious East to the modern era of allowing more people to understand the scenery around the world through platforms such as the Internet, it played a positive role in cross-cultural communication and cultural communication.
** 5. conclusion **
Scenery photography has rich content and diverse value in terms of aesthetic content, historical development, and contemporary significance. From an aesthetic point of view, its evolving aesthetic features reflect the artistic pursuit of different eras; from a historical point of view, it is closely linked to the development of society, culture, science and technology; in the contemporary era, it plays an irreplaceable role in tourism, aesthetics, cultural communication and many other fields. With the continuous development of technology and the continuous change of social culture, photography landscape will continue to develop and show new vitality and value.
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Mountain landscape photographyMountain landscape photography was challenging but also very valuable. Here are some key points for mountain landscape photography:
** 1. Initial preparations **
1. ** Site Selection and Planning **
- Carefully study the mountain range you want to shoot, determine the path or route to walk, estimate the time needed, and consider the amount of equipment you wear and carry. He also had to give himself extra time to ensure that he could see the scenery he wanted to shoot. For experienced travelers, it would be more convenient to move around in the mountains and they could plan a more complete itinerary.
2. ** Mountains worth shooting **
- Wildflowers blooming in the mountains in spring and summer can be used as a backdrop for shooting, but be careful when looking for mountains.
** Two, composition skills **
1. ** Foreground Usage **
- No matter what time of the year you take mountain landscape photography, you will have the opportunity to use the background composition. For example, grass and wildflowers were used in spring and summer, and ice and snow were used in autumn and winter. Foreground should help to highlight the main theme of the mountain range and avoid too many distracting elements in the foreground. You can look for guiding lines and color contrast to increase the depth and interest of the image.
2. ** Main body and picture layout **
- For example, when shooting Mount Laojun, at the corner of the platform on the right side of the path from the Golden Summit, use 2x focal length, choose contrast color, and place the Golden Summit at the upper right 1/3 of the picture to get a better composition effect.
** 3. Exposure-related **
1. ** Surrounded and Exposed **
- In mountainous landscapes, there was often a strong contrast between dark and bright skies. Coupled with complex weather conditions, the contrast of the scene could exceed the processing power of the camera sensor. Although the gradual filter was often used in landscape photography to darken the sky, it was not suitable for mountains (because the shape of the mountains was irregular, the filter transition area and the mountain would have an incongruous dimming). At this point, you could capture the details from shadows to highlights through exposure bracketing, and then combine them into an HVR image in the image editing software. You could also use a lightness mask in Photoshop to create an image that balanced the sky and shadow exposure.
** 4. Choice of focal length **
1. ** Wide-angle lens **
- It can be used to include the background in mountain landscape photography.
2. ** Telephoto lens **
- Using a telephoto zoom lens (100mm-500mm) and a tripod, one could get closer to the mountain itself. When approaching the mountain peak, one could capture the wind on the mountain and the light on the rock grains. sunrise and sunset were suitable for taking mountain photos with a longer focal length. When the weather and light were not good, zooming in would also help to improve the effect.
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