TAILIEUCHUNG - Photoshop cs5 cho nhiếp ảnh gia part 49

Composites Nhiều nhiếp ảnh gia thiên nhiên ban đầu miễn cưỡng để xem xét làm vật liệu composite, tin tưởng rằng đây là bằng cách nào đó "gian lận" hoặc "không trung thực." Có một nhu cầu rõ ràng cho các nhiếp ảnh bằng cách sử dụng Photoshop để được đạo đức và tiết lộ khi họ đã làm thay đổi hình ảnh của họ để họ không có còn phản ánh thực tế của những gì họ nhìn thấy và những gì tồn tại. . | Composites 8 Many nature photographers are initially loath to consider making composites believing that this is somehow cheating or dishonest. There is a clear need for photographers using Photoshop to be ethical and reveal when they have made changes to their images so that they no longer reflect the reality of what they saw and what existed. However sometimes combining several images or elements from several pictures can create more impact and be more representative of an experience. Ironically compositing techniques can actually enable photographers to more accurately and realistically depict what they saw in certain circumstances such as with a panorama an exposure composite or a focus composite. 299 COMPOSITES Chapter Contents Creating Panoramas Expanding Dynamic Range Extending Depth of Field Combining Elements from Multiple Pictures Creating Panoramas The advent of the digital darkroom freed photographers from being tied to the constraints of any one particular camera format whether it is 35mm medium format or some other format. By using Photoshop or other software programs you can stitch together a series of images to create a photograph of a particular shape that better suits the subject. An added benefit of stitching together several frames is that the larger file you create enables you to make prints that are substantially larger and more detailed than you could if you simply used a wider lens and cropped a single frame. Note When photographing images to be combined into panoramas using certain techniques while shooting enables you to stitch the images together with a minimum of headaches. Please refer to this book s companion website go photoshopnature for details on those techniques. 300 CHAPTER 8 COMPOSITES Photomerge Photomerge makes it easy to stitch even 16-bit panoramas together. Photomerge automatically arranges and blends multiple images to create a panorama with just a few instructions from you. This is a tremendous time-saver and

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