Can you straighten this image?

We meet again in this new Photoshop tutorial

In the photography world, depending on the f-stop used and focal length of a camera, a photograph can show lens flaws. The lens flaws in here are like barrel and pincushion distortion. Barrel distortion causes the straight lines to bow out to the edges of the image while pincushion distortion makes the straight lines bend inward. The perspective will appear distorted. However, this Photoshop CS3 tutorial will teach you how to use lens correction filter to fix these problems as well as other lens defects with ease.

Usually, the tops of the buildings appear larger at the top than the bottom. That is how lens correction filter works. It will help you to line up the perspective of the buildings using a vertical plane. You can choose whether you want to make the adjustment a bit more accurate or you may want to turn the grid off. The lens correction filter has an option to let you select the method to correct missing areas once you repair the perspective. Here is a Photoshop CS3 tutorial about using lens correction filter.

1. Open the images you want to edit and convert it as a smart object layer.

2. Click filter – distort – lens correction. After that, the lens correction dialog box will appear with a large preview and also a grid overlay.

3. Drag the vertical perspective slider. Try to align the tallest building with the grid. After that, the image will have changed perspective plane. Adjust it until you are satisfied.

4. Click OK to commit.

5. Click the crop tool. After that, you need to click and drag the image.

6. Click the anchors in the crop area to adjust your image.

7. Click the commit button

8. If you are doing it right, the image is cropped and the buildings will be straight.

If you do this Photoshop CS3 tutorial well, you will be able to straighten buildings easily.

M.A.H.

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