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      • www.dpreview.com
        Nikon D300 DX 12.3MP Digital SLR Camera (Body Only) $1,249.99 Nikon D300S 12.3MP DX-Format CMOS Digital SLR Camera with 3.0-Inch LCD (Body Only) $1,475.00 Nikon D3100 14.2MP Digital SLR Camera with 18-55mm f/3.5-5.6 AF-S DX VR Nikkor ...
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      • www.dofmaster.com
        Depth of field and hyperfocal distance calculator ... Use the actual focal length of the lens for depth of field calculations. The calculator will automatically adjust for any "focal length multiplier" or "field ...
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    日期:2024-07-30
    Depth of field refers to the range of distance that appears acceptably sharp. ... distance influence how large the circle of confusion appears to our eyes, aperture and ... number) and closer focusing distances produce a shallower depth of field....
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    日期:2024-07-27
    Depth of field is determined by three factors – aperture size, distance from the lens, and the focal length of the lens. Let's look at how each one works....
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    日期:2024-07-31
    Understanding depth of field is one of the first big hurdles in photography. Knowing how your aperture, focal length and focusing work together to affect depth of ......
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    日期:2024-07-26
    for objective comparisons of size, see Orders_of_magnitude_(length) Perspective, relative size, occlusion and texture gradients all contribute to the three-dimensional appearance of this photo. Depth perception is the visual ability to perceive the world ...
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    日期:2024-08-01
    1995-1997 1995 Larry Page and Sergey Brin meet at Stanford. Larry, 22, a U Michigan grad, is considering the school; Sergey, 21, is assigned to show him around. 1996 Larry and Sergey begin collaborating on a ......
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    日期:2024-07-28
    In optics, particularly as it relates to film and photography, depth of field (DOF) is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. Although a lens can precisely focus at only one distance at a...
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    日期:2024-07-26
    D_{\mathrm N} 相機至前景深極限的距離, D_{\mathrm F} 相機至後景深極限的距離 。當 s 遠大於鏡頭的焦距 ......
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    日期:2024-07-26
    At this viewing distance and print size, camera manufacturers assume a circle of confusion is negligible if no larger than 0.01 inches (when enlarged). As a result, camera manufacturers use the 0.01 inch standard when providing lens depth of field markers...