Step 1. Before we begin, we need to make sure that we change our renderer to V-ray. Bring up the Render Setup window, go to the Common tab, and then scroll down to the bottom where it says Assign Renderer. Click the button to the right of the Production line and choose V-ray in the dialog box that pops up. Click Ok.
In a DSLR, depth of field is easy to manage by changing the aperture—a large aperture like f/4 results in a relatively narrow field of focus, for example, while a small aperture like f/20
The first thing you need to do is open them all into the same file in Photoshop. You can do this by going to Menu > File > Scripts > Load Files into Stacks. In the pop-up window, set it to use Files and then with the Browse button choose the set of photos you took. Check off the option “Attempt to Automatically Align Source Images
The last thing that affects your depth-of-field is the focal length of your lens. The longer the focal length, the less depth-of-field. If you have a 50mm lens set at f/1.4 and an 85mm lens set at f/1.4, and they are both focused on thing at the same distance: The 85mm lens will have a shallower depth-of-field.
Make a note of your camera settings for each one. Open the aperture one stop and repeat. Do this with a variety of aperture settings, making notes as you go. You can now load the photos onto your computer and compare the results. You should now have a good idea about how varying the aperture affects the resulting depth of field.
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| Υρኝግևռዪрс уծубрէслጶн | Ωቱоգоσоռ բумυ исаπ | Еጅаг фιጪ | Ուгεμисесυ у иዟуሑа |
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Some do actually. You are right that most do not though. The main problem is that there is no such thing as an exact depth-of-field. DOF actually depends on the viewing size, actually the angle extent of the image as being seen. Most DOF tables assume a fixed 8x10" print seen as from 12" away for someone with 20/20 vision.
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how to do depth of field
