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移轴摄影,即移轴镜摄影(Tilt-shift photography),泛指利用移轴镜头创作的作品。移轴摄影镜头主要有两个作用,一是纠正被摄物的透视变形;二是实现被摄体的全区域聚焦,使画面中近处和远处的被摄体都能结成清晰的影像。移轴摄影镜头在建筑摄影中的运用最多。拍摄建筑物的外形,多用广角焦距的摄影镜头拍摄,但由于广角镜头近大远小的透视效果,使拍摄出来的建筑物外形线条向上方汇聚,而利用移轴拍摄镜头拍摄建筑物外形,能依靠镜头的透视调整功能纠正这种线条汇聚现象,使画面中出现的建筑物没有通常的那种倾斜、甚至好像要倾倒的感觉,仍然表现得很垂直。
Tilt shift photography, which refers to the use of shift-axis lens creation. Tilt-shift photography lens has two main functions, one is to correct the subject’s perspective distortion; the second is to achieve the whole area of focus of the subject, so that the screen near and far subjects can form a clear image . Tilt-shift photographic lens used in architectural photography. However, due to the see-through effect of the wide-angle lens, the appearance of the building lines converged upward, and the shape of the building can be photographed with the shift-axis camera and can be relied on Lens perspective adjustment function to correct this phenomenon of line aggregation, so that appear in the picture of the building that does not have the usual tilt, and even seems to be the feeling of dumping, still showed very vertical.