TAILIEUCHUNG - Photoshop cs5 cho nhiếp ảnh gia part 58

Làm mờ Photoshop Cs5 có một danh sách ấn tượng lâu dài làm mờ, nhưng chúng tôi sẽ chỉ những người được đặc biệt áp dụng đối với hình ảnh thiên nhiên. Chúng tôi thấy rằng làm mờ Gaussian, và đôi khi làm mờ ống kính, là những chính chúng tôi sử dụng. Bạn có thể muốn khám phá làm mờ khác, chẳng hạn như làm mờ thông minh, làm mờ chuyển động, và zoom làm mờ là tốt. | Blurs Photoshop CS5 has an impressively long list of blurs but we ll cover only the ones that are particularly applicable to nature photographs. We find that Gaussian blurs and occasionally lens blurs are the main ones we use. You may want to explore other blurs such as smart blurs motion blurs and zoom blurs as well. Gaussian Blurs Gaussian blurs produce a hazy effect and blur the image by an adjustable amount. They re quite useful when you want to blur a section of your image. However it s important to remember that if you make a selection of the area you want to blur a Gaussian blur considers that selection a general guideline but not an absolute mandate for the boundaries of the blur. This transition area between blurred and not blurred sections is more apparent the more blur you apply. At times it can create a glow around your subject as it does in the photo in Figure . Figure Although the background was selected when the Gaussian blur was applied it included some of the pink from the spoonbill resulting in a pleasant glow around the bird. 359 FILTERS To apply a Gaussian blur take the following steps 1. Make a copy of your Background layer and convert the layer for a Smart Filter by choosing Filter Convert for Smart Filter. 2. You may choose to first select the area to apply the blur to using any of the selection tools or you may prefer to rely completely on painting a layer mask. 360 CHAPTER 9 CREATIVE EFFECTS 3. Apply the blur to the copy layer by choosing Filter Blur Gaussian Blur. Using the preview as a guide set the radius to determine how much blur you want. By using a Smart Filter you can tweak the amount of blur at a later time if necessary. If you have made a selection first the mask will reflect that selection. If you prefer to rely on a layer mask it will be easier to begin by filling the filter mask with black by clicking on the mask and going to Edit Fill Use Black. Then make sure white is your foreground color in the Color Picker and .

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