Are your photos empty Notice of using the big circle lens-cibi

Your photos are empty? Use the big circle lens attention, this article transferred from Jia friends online, many photographers have a strong feeling of background virtualization, in which, the big aperture is the key to produce shallow depth of field. But some users with a large aperture lens with a maximum aperture, only that Jin: not used, it is Bo Tim Tin Mat. We pursue the bokeh is because the lens aperture is larger, the depth is smaller when shooting distance from subject scenery will be empty; if the subject is in the middle position, the subject of focus, the main body and close to the real, far to the main body the scene will be empty; if the subject is in a panoramic vision or position, the subject of focus, the main body, to the scene will be empty. The picture comes from the advantages of     has many advantages; the shutter speed can be effectively improved due to the large amount of light; the distance between the clear body and the virtual background can be obviously improved, and the depth of field can be controlled better. Improper use of pictures failed, but in actual shooting, but there are a lot of photos because the opening of the maximum aperture, but did not take a clear failure case, then the use of large circle lens in what circumstances will lead to the shooting is not clear? The first is the focus is not clear, that is, the main part of the shooting is clear, whether the focus is at the main point of view, followed by the shutter moment caused by man-made jitter. Canon EF 50mm f 1.2L USM big eyes below this picture is using Canon EF 50mm f 1.2L USM captured, this lens uses 8 pieces of 6 groups of structural design, lens configuration contains 1 pieces of aspherical lens, imaging effect is very good, with F1.2 super large aperture. With the sharp imaging performance, excellent background blur effect can be obtained when using large optical circles. However, it is estimated that a lot of people will ignore the most basic points of the clear picture because of the hazy atomization. Focal length: 50: 3.2: 160   aperture shutter; photo if not amplified, and seemingly no problem, the cat watery eyes looks a little bit tearful feeling. But if you zoom in on 100%, you’ll find the focus is not real. Such a good lens, if not used properly, it is difficult to reflect its advantages, so don’t blind your hands of big eyes". So, how to correctly use the big circle lens in your hand? How to use a large aperture lens in your hands usually under the following three conditions need to use a large aperture: 1, dark environment exposure; 2, portraying the main details for use; 3, with a high shutter speed of the case, to ensure stability of the shutter speed to achieve the camera, need to use. In the process of shooting, we should pay attention to the following points: 1, the focus position of the subject should be selected, the focus is clear on the target position. Attention should be paid to the shooting distance. The closer the subject is, the shallower the depth of field will be. Using the lens aperture value unchanged, the degree of virtualization will vary with the shooting distance, therefore, the focus and distance in shooting. 你的照片虚了吗 使用大光圈镜头注意事项   本文转自佳友在线   众多摄影爱好者对背景虚化都有着一种强烈的情愫,其中,大光圈是产生浅景深的关键。但有些用户拿着大光圈镜头便一个劲只用最大光圈,认为:不使用,简直是暴殄天物。   大家所追求的背景虚化其实是因为镜头的光圈越大,景深就越小,拍摄时,远于被摄主体的景物就会被虚化;如果被摄主体处在中景位置上,以被摄主体为对焦点,主 体实,近于主体与远于主体的景物都会虚化;如果被摄主体处在全景或远景的位置上,以被摄主体为对焦点,主体实,近于主体的景物则会被虚化。 图片来源于网络   大光圈镜头的优势    大光圈镜头拥有不少优势,由于通光量大可有效提高快门速度;可明显将清晰主体和虚化背景之拉开距离感与透视感,更好的控制景深。   使用不当 画面失败   然而实际拍摄中,却有不少照片因为开着最大光圈却没拍清晰的失败案例,那么使用大光圈镜头在什么情况会导致拍摄不清晰呢?首先是对焦不准,也就是拍摄主要部分是否清晰,焦点是否在主视点上,其次是按快门瞬间导致的人为抖动。 佳能EF 50mm f 1.2L USM大眼睛   下面这张照片是使用佳能EF 50mm f 1.2L USM所拍摄,这支镜头采用8片 6组的结构设计,镜片配置包含1片非球面镜片,成像效果非常出色,拥有F1.2超大光圈。带来锐利成像表现的同时,在使 用大光圈时还可获得出色的背景虚化效果。不过,估计有不少人会因为这朦胧的雾化而忽略了画面清晰的最基础要点。 焦距:50 光圈:3.2 快门:1 60   照片如果不放大仔细看,看似并没有问题,猫猫水灵的眼睛看上去还有点泪眼婆娑的感觉。   但100%放大看,便会发现焦点不实。如此好的镜头,若没有用得当,便难以体现其优势,所以别白瞎了你手中的“大眼睛”。那么,如何正确用好手中的大光圈镜头呢?   如何用好你手中的大光圈镜头   通常以下三种情况需要使用到大光圈:1、暗光环境下的曝光;2、刻画主体细节适合使用;3、用高快门速度的情况下,为保证快门速度能实现相机的稳定性,需要使用。   拍摄过程中则要注意以下要点:1、对被摄物体的焦点位置要选准,将焦点清晰的对在目标位置。其中要注意拍摄距离的问题,离主体越近,景深越浅。使用镜头的光圈值不变,虚化程度会随着拍摄距离发生不同变化, 因此,在拍摄时对焦点以及距离要格外注意。另外, 对焦方式在时间允许的情况下,使用手动对焦进行检查会更加精确。 (图片来源于网络)   2、拍摄时,快门速度要达到能够使拍摄清晰达到良好效果。   3、避免手持相机的震动。这里有个小诀窍,在手持相机使用低速快门拍摄的情况下,注意在按快门的时候避免食指直接往下用力按快门,而是轻轻向侧下方滑动按下快门。   结合以上小技巧,拍摄时多以注意,便能充分发挥你手中大光圈镜头的优势啦。相关的主题文章: