diffraction blur造句

例句与造句

1. Optically, as a lens is stopped down, the defocus blur at the Depth of Field ( DOF ) limits decreases but diffraction blur increases.
2. The size of the diffraction blur spot depends on the effective f-number N \ left ( 1 + m \ right ), however, so diffraction is a greater issue in close-up photography, and the tradeoff between DOF and overall sharpness can become quite noticeable ( Lefkowitz 1979, 84 ).
3. The term " " is sometimes heard ( by analogy with critical focus ) for " obtaining maximal optical resolution ", as limited by the sensor / film and lens, and in practice means minimizing camera shake  using a image stabilizing lenses  and optimal aperture for the lens and scene, usually 2 3 stops down from wide-open ( more for deeper scenes : balances off diffraction blur with defocus blur or lens limits at wide-open ).
4. It's difficult to find diffraction blur in a sentence. 用diffraction blur造句挺难的