Yans van Horn wrote:

> Nie zachowasz niestety:
>
> Depth of Field Using 35mm SLR with 50mm Lens and Subject Distance of 10
> Feet,
> and DSLR with 33mm Lens and Subject Distance of 10 feet
>
> There may be times when you want to change lenses to keep the same
> subject size in the photograph. In this example, you could use a 50mm
> lens on the 35mm SLR, and a 33mm (50/1.5) lens on the DSLR. At a focus
> distance of 10 feet, you would get similar photographs as shown in
> Figure 13. As shown in Figures 11 and 12 below, the DSLR photographs
> will exhibit more depth of field when the focal length for the DSLR is
> adjusted so the framing is identical for the two cameras (Figure 13.)
> The total DOF at f/5.6 for the 35mm SLR is about 4.25 feet, from about
> 8.25 feet to 12.5 feet. The total DOF at f/5.6 for the DSLR is about 7.5
> feet, from about 7.5 feet to 15 feet. So, the DOF is about 3.25 feet
> longer, at f/5.6, with the 33mm lens focused at 10 feet on the DSLR.
>
> http://www.dofmaster.com/dof_dslr.html

On już nie odpowie - godzinę temu zepsuł mu sie komputer :>>>>
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Mateusz Ludwin mateuszl [at] gmail [dot] com