f-stop
f/11, f/16, f/22 for good depth
of field.
f/3.5, f/4.5 for shallow depth of
field.
VIRIN
or
Visual Information Record
Identification Number in
accordance with DOD requirements
for photographs consist of
fifteen data elements , in four
fields, separated by three
hyphens for a total of 18
characters
(NNNNNN-A-NNNNA-AAA)
Wide Angle
Zoom
Pixels
Requirements — Digital
Image Print Resolution
Guide
Print
Size
Pixels
for 200 ppi
Printing
Pixels
for 300 ppi
Printing
4
x 6 inches
800
x 1200
1200
x 1800
5
x 7 inches
1000
x 1400
1500
x 2100
8
x 10 inches
1600
x 2000
2400
x 3000
11
x 14 inches
2200
x 2800
3300
x 4200
Minimum
200 pixels for each linear inch
of the print desired (200
ppi).
Megapixels = number of horizontal
pixels X number of vertical
pixels
2200 x 2800 = 6.16 Megapixels
2400 x 3000 = 7.20 Megapixels
Canon EOS Rebel shooting 3072 X
2048 = 6.29 Megapixels