How to install a single-lens reflex lens on a mobile phone
The following is a way to install a DSLR lens on a mobile phone: first disassemble the back cover of the mobile phone, remove the ultra-wide-angle and periscope telephoto lens modules that may be blocked, and only keep the main camera.(For example, the main camera of the Xiaomi 11Pro's GN2); then disassemble the main camera and remove the original lens, leaving only the LCD; then use the lens screw ring to fix it on the LCD (you can also use a 3D printed back cover to fix the screw ring in a more secure way), and then install the single-lens reflex lens; you can also find a phone case and dig a hole in the lens position to cover it as a back cover. However, this modification method may have certain risks. For example, the fixing method may not be strong enough, beautiful enough, and may even damage the phone components. There may also be situations where the photo is red, the focus is problematic, and the shooting effect is not good. This may be due to the sensor's custom correction algorithm to adapt to the phone lens. It was also possible to use a simpler method, such as using some external lens products that came with a phone case and the lens could be directly installed. The DSLR lens could be directly installed on the corresponding position of the phone case. It should be noted that DSLR lenses have different types of bayonet. Their design purpose is to ensure that the camera lens is connected stably. Under normal circumstances, it cannot be used directly on the phone, and it is limited by the size of the phone's sensor, so it may not be completely universal. Read more exciting novels for free
The influence of single-lens reflex camera on mobile phone photography
DSLR cameras had many effects on mobile photography: * * 1. Shooting Techniques ** 1. * * Focus Technique ** - DSLR cameras had a complex and precise focusing system. Traditional single-lens reflex cameras could achieve fast and accurate focusing through the use of mirrors and phase detection focusing technology, especially when shooting moving objects. During the development of mobile photography, it gradually drew lessons from similar focusing concepts. For example, the autofocus function of many mobile phones now, although the implementation method was based on algorithms, the design also pursued the convenient focusing experience of "pointing where you want to be clear" to meet the needs of users for the subject to be clear. 2. * * Exposing Control ** - DSLR cameras provided a variety of exposure modes, such as manual exposure (M), aperture priority (A or Av), shutter priority (S or Tv), and so on. The user could precisely control the amount of exposure according to different shooting scenes and creative needs. In the early days, mobile photography was mainly based on automatic exposure, but with the development of technology, manual exposure adjustment functions began to be added. This development was partly inspired by the single-lens reflex camera to meet the needs of photography enthusiasts for more shooting control. For example, when shooting at night or in special scenes under strong light, manually adjusting the exposure could make the picture look better. 3. * * Picture composition assistance ** - The viewfinder or display screen of an SLR camera could use auxiliary lines such as the nine-square grid to help the user better follow the composition principles, such as the three-point rule. Mobile photography also borrowed this method. It provided a grid line function in the camera settings to make it convenient for users to align the picture elements and take photos with a more reasonable composition. * * 2. Image Quality and Function ** 1. * * Quality Pursuit ** - DSLR cameras had obvious advantages in terms of image quality, such as light capture, noise control, and dynamic range, due to their larger sensor and high-quality lenses. This prompted the development of mobile photography to constantly seek ways to improve image quality. Although mobile phones couldn't improve the image quality by replacing large-sized light-sensitive components like DSLR cameras, mobile phone manufacturers used algorithm optimization to reduce noise and increase dynamic range, trying to narrow the gap in image quality with DSLR cameras. 2. * * Effect of background blurring ** - Through optical equipment such as a large aperture lens, a single-lens reflex camera could easily achieve a natural and beautiful background blurring effect, and the degree of blurring could be precisely controlled. In order to achieve a similar effect, mobile phone photography began to use an algorithm to simulate background blurring. Although the blurring effect of mobile phones was mostly achieved through digital smearing, and the effect was still different from that of single-lens reflex cameras, it was constantly improved under the influence of single-lens reflex cameras to meet the user's pursuit of the main body and background blurring effect. * * 3. User demand and market ** 1. * * Stratification of User Requirements ** - DSLR cameras had always been an important tool for professional photography and photography enthusiasts. Their advantages in terms of image quality and functionality met the requirements of high-end users for photography quality. The development of mobile photography was based on satisfying the daily recording needs of the public. Some users were influenced by the high-quality photography represented by the single-lens reflex camera and began to put forward higher requirements for mobile photography, such as better image quality and more shooting functions. This prompted mobile phone manufacturers to continuously improve their mobile phone photography functions to attract more users who pursued the quality of photography. 2. * * Market Competition and Discretization ** - In the photographic equipment market, there was a certain competitive relationship between single-lens reflex cameras and mobile photography. The existence of the single-lens reflex camera prompted the continuous innovation and development of mobile photography to occupy a place in the market. Mobile photography, on the other hand, relied on its convenience and the convenience of sharing on social networks to form a differentiated competition with DSLR cameras. For example, the various filter functions and convenient post-editing functions of mobile phones were also developed in the competition with DSLR cameras to meet the needs of users for fast and convenient shooting and sharing. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Image quality of a single-lens reflex telephoto lens
Different single-lens reflex telephoto lenses had their own characteristics. For example, 85mm f1.2 was easy to run out of focus when the aperture was fully open and the purple edge was a little serious, but it could present beautiful pictures when shooting portraits or still lives;70 - 200mm f2.8 was one of Canon's big three yuan, with a wide focal range and no obvious shortcomings in image quality;100 - 400mm f4, in addition to being heavy and not having a large aperture, had sharp image quality; 50mm f1.8 "small spittoon" had average image quality, but it was cheap; The 24 - 70mm f2.8 Canon lens was more versatile, but the aperture was not large enough. The RF100 - 400mm F5.6 - 8IS USM lens was light and sharp. The Canon EF50mm F1.8II had a F1.8 large aperture circle focal lens, which made the background blurred and beautiful. The Canon EF40mm F2.8ATM had advantages in workmanship, overall quality, and performance, and the picture quality was excellent. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to stack the lens of a single-lens reflex camera
The full name of the DSLR was " single-lens reflex viewfinder camera." It only had one mount. In theory, it could only be connected to one lens for optical imaging. Under normal circumstances, the lens could not be stacked. However, there were special uses, such as reversing the lens or connecting the zoom lens. However, these still needed to rely on a pure optical lens to use. On the basis of this lens, you could stack the transfer ring, zoom lens, etc. to achieve different effects. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Nikon old-fashioned single-lens reflex lens
Nikon's old-fashioned DSLR lens had many features. In terms of optical quality, some of the old lenses of Nikon DSLR had extremely high optical quality, such as the Nikon Nikkor 105mm f/2.5. Its design had been verified for a long time, and the lenses were polished and assembled carefully. Some of the materials used were more expensive than modern lenses, and special glasses such as thorium glass and lead glass, which were now no longer used, were used. This helped to provide a higher index of refraction, improve color difference control, and overall image quality. In terms of sharpness and color performance, it was not bad by today's standards. In terms of mechanical technology, the metal lens barrel and smooth focus ring of the old Nikon DSLR lens were different from the modern automatic lens made of plastic. It was more mechanical, and its texture, weight, and feel could give the photographer a retro film era feeling. In terms of adaptability, the old-fashioned lens of Nikon's DSLR could be perfectly combined with some current cameras, such as the Sony A7 series, the Fuji X-T series, and the Canon Eos R series. The electronic viewfinder of the mirrorless camera could enlarge the real-time view, making it easier to manually focus. Combined with the focus assist function, it greatly improved the experience of using it on digital cameras. However, for beginners, it was not recommended to use the old Nikon DSLR lens because the old lens had problems such as focusing stagnation and hesitation, although the accuracy was acceptable. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Canon single-lens reflex character photography lens
There were many types of Canon DSLR lenses for character photography. Among them, the 35mm f1.4 lens had excellent performance in portrait shooting. It could capture the delicate expression of the character and show the surrounding environment. The f1.4 large aperture background blurring effect was good, suitable for traveling portraits or indoor portraits. The 85mm f1.2 medium-focus lens could capture the details and expressions of the characters while maintaining a certain distance on the full frame. The picture was natural and realistic. The f1.2 large aperture allowed it to take bright and clear photos in low-light environments. The blurring effect was better than that of the 35mm f1.4 lens. The 70 - 200mm f2.8 telephoto zoom lens had a flexible focal length range, and the background blurring effect was better than the 35mm and 85mm lenses. It was suitable for long-distance shots such as stage portraits, athletes, concerts, etc., but indoor shooting required a large space. The EF100mm F2.8L IS USM lens could be used for macro and portrait shooting. It had double IS optical image stabilization, good sharpness and out-of-focus performance, and ideal autofocus speed for macro shooting. The ESF135mm F2LIS USM lens was a close-up shot of a portrait. It could bring a stronger sense of compression and better blurring effect. The focusing speed was fast, the lens body weighed 750g, and the image quality was excellent when the aperture was fully opened. It was sharp inside the focus and soft outside the focus. The 50mm fixed-focus lens was also commonly used for portrait shooting. The F1.2 lens with a large aperture had a better portrait shooting effect. The 50mm focal length belonged to the standard focal length, and the shooting effect was close to what the human eye could see. It would not cause space compression and could better express the surrounding environment of the subject. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Single lens reflex photography
If it was about DSLR photography, the following were some of the key points for DSLR photography: ** 1. Selection of shooting mode ** 1. ** Portrait Shooting ** - **A (Aperture priority mode)**: suitable for portrait shooting. In this mode, the aperture size could be adjusted manually. A large aperture (such as f/1.8, f/2.8, etc.) could make the background blur, highlight the main body of the character, and obtain a natural blurring effect. It could also increase the amount of light in the case of insufficient light. - **M file (full manual mode)**: Can be used for portrait photography. The photographer had to manually set the sensitivity, aperture, shutter speed, white balance, exposure compensation, focus, color temperature, and other parameters. This mode was suitable for taking portraits under complex lighting conditions, such as indoor lighting or scenes that used specific lighting to create a special atmosphere. 2. ** Shooting of moving objects ** - **S (Shutter priority mode)**: Adjusts the shutter speed. The faster the shutter speed, the more it can freeze the instant image of a moving object. It is suitable for capturing people, animals, or sports events in motion. 3. ** Scenery Shooting ** - **M (Full Manual Mode)**: It is very useful when shooting scenes such as sunrise, sunset, night scene, sea of clouds, starry sky, etc. For landscape photography, you can manually adjust the sensitivity, aperture, shutter speed, and other parameters according to the desired effect. For example, when shooting the starry sky, high sensitivity, large aperture, and slow shutter speed were needed (generally, a tripod was needed to keep the camera stable); when shooting sunrise and sunset, the parameters had to be adjusted according to the light intensity and the desired color effect. ** 2. Shooting Points ** 1. ** In terms of composition ** - ** Find a unique subject **: Choose a good-looking or oddly-shaped subject. This kind of subject will be easily remembered by the audience. - ** Use geometric composition **: For example, a triangular composition can make the picture full of geometric beauty. When shooting a picture that contained multiple elements, the elements could be arranged and combined to form a triangle to increase the stability and beauty of the picture. 2. ** Focus ** - Portrait and animal photography: If you are shooting portraits or animals, pay attention to the light in your eyes. This will make the subject more vivid. For animal photography, you can use methods such as feeding to get the animal to cooperate so that the eyes of the subject have a bright reflection. 3. ** Picture level ** - When shooting a scene, you can increase the layering of the picture by changing the angle of view. For example, lowering the angle of view, using the front and back arrangement of the characters or the changes in reality to create a sense of hierarchy. ** 3. Later adjustments ** Most of the photos taken by the DSLR camera were original photos. They couldn't completely restore the scenery seen by the human eye, so they needed to be retouched later. He could use the phone APP to adjust the light, shadow, contrast, saturation, atmosphere, color temperature, clarity, and other parameters of the photo to adjust the photo to his liking. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Wear the metal when installing the lens of the single-lens reflex
When installing the lens of an SLR camera, if it was not handled properly, it might cause metal wear. The following are some related situations: 1. ** Bayonet Worn **: - Changing lenses frequently would wear out the bayonet. However, under normal use, this kind of wear and tear was relatively light, and it might take a long time to show obvious effects. For example, when the wear and tear reached a certain level, it might affect the stability of the connection between the lens and the camera body. However, it was rare for such wear and tear to cause the lens to be stuck before the camera shutter's life was exhausted. 2. ** Sensing contact wear **: - For the sensing contacts on the camera and the lens that controlled the focus and aperture, the lens would also wear out during the installation and dismantling process. However, when the camera was still in its normal life, this kind of wear and tear would not affect the camera's high sensitivity and other functions, unless the machine was very old. In order to reduce the metal wear when installing the lens, it is recommended to hold the lens before twisting it when installing or disassembling the lens, and to reduce the number of unnecessary lens changes as much as possible. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What's with the flash screen of the single-lens reflex lens?
The flash screen of the DSLR lens could be caused by the following reasons: 1. Light Reflection: When the light in the shooting environment is reflected by the lens, it may cause the screen to flash. 2. hardware problem: For example, if the internal components of the lens were faulty, such as the possible ERR, black screen, half black screen, broken pin, button failure, shutter failure, blurred screen, flash screen, out of focus, no response to operation, photo distortion, slow focus, rubber peeling, etc., or Canon lens err01, err20, err30, err05, err06, err70, err80, err99, etc., all of which may be accompanied by the flash screen phenomenon. 3. Shutter problem of the single-lens reflex camera: If the shutter of the camera fails, it may also affect the image of the lens and cause a flash screen. For example, the curtain of the mechanical shutter of the single-lens reflex camera does not open and close normally, or there is a problem with the electronic shutter-related electronic components. If you encounter a flash screen, you can take the following solutions: 1. As for the flash screen caused by the light reflection, you can find the professional mode in the menu bar of the camera. After entering it, you can choose the imo mode and adjust the degree to improve it. 2. If you suspect that it is a hardware problem, you can contact the manufacturer's after-sales service for specific inspection and repair. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The format of a single-lens reflex photo
Single-lens reflex camera with glasses
If you wore glasses and used a single-lens reflex camera to shoot, most single-lens reflex cameras had a refraction adjustment function. You can aim your eyes at the viewfinder, and after automatically focusing on an object, adjust the refraction adjustment button to the left or right until you see the clearest image. However, the position of the refraction adjustment button might be different for different brands of DSLR. It was usually next to the viewfinder. In addition, there were also photographers who said that they could see the viewfinder clearly with a single-lens reflex camera. If you feel that the image you see through the viewfinder is blurry, you can also consider putting on your glasses and shooting directly. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>