An easy to use rotating reference calculator that shows what the depth of field (area of focus) is for the format, lens and F/Stop you are using, and the distance you are from the subject. Eliminates guesswork, and reduces time spent focusing and refocusing your view camera.
| Packaging Info |
| Package Weight | 0.05 lb |
| Box Dimensions (LxWxH) | 4.5 x 4.5 x 0.02" |
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