by
, 07-01-2014 at 06:25 AM (2862 Views)
This comparison uses the same aperture (f/11) and same subject/view size (16.78”) with four different focal lengths.
- The red line represents the width of the subject/view.
- Positions a, b, c and d represent camera positions using the four focal lengths in the table.
- Black lines represent angle of view for each focal length.
- Distance for each calculated using cad software.
- Depth of field info calculated using Photo Caddie.
Attachment 98534
Position Focal Length Angle of View Distance Depth of Field Front DOF Back DOF a 200mm 8˚ 120” 3.87 1.90 1.96 b 55mm 28˚ 50’ 32.64” 3.79 1.79 2.01 C 40mm 38˚ 50’ 23.81” 3.83 1.76 2.07 D 18mm 76˚ 10.74” 3.95 1.62 2.32 0 Thanks/Like
Comments
+ Post Comment