| dofmaster.com | |
| 网站标题： | Hyperfocal Distance and Depth of Field Calculator - DOFMaster |
| 网站简介： | Free depth of field and hyperfocal distance calculators for Windows® operating systems and Palm OS® devices. |
| 关键字： | hyperfocal depth of field hyperfocal distance depth-of-field focus distance calculator slide rule DOFMaster hyperfocal distance chart DOF circle of confusion aperture depth of focus selec |
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