|
Factors:
(estimates)
Five years ago, this would
have been a strange subject to cover in a photography web site. But
today, there is a high probability that your images will be scanned / transferred
to electronic media and you must always keep the ultimate file size
in mind. The following sizes are only estimates to help the
photographer achieve a sense of size.
|
- Bits of
information on negative film (arguable):
-
(Space required)
-
Bits of
information on a 35 MM Kodachrome
slide:
- Current 2.1 mega
pixel digital camera: |
80,000,000
80 meg
25,000,000
2,100,000
|
|
- Largest PPI
/ DPI required for an inkjet printer:
- 11 x
17
- 8 x
10
- 5 x 7 |
300 PPI
48 MB
20.6 MB
9.2 MB
|
|
- Largest PPI
/ DPI required for a computer
monitor
- 5 x
7
- Thumbnail |
72
PPI
532
KB
65 KB
|
|
- Largest
size page for loading to browser quickly: |
20,000 KB
|
Negative3 Scanner Resolution:
(estimates)
|
DPI |
FILE
SIZE: |
|
2,400 |
15
- 18 MB |
|
2,700 |
20
- 24 MB |
|
4,000 |
60
- 60 MB |
Pixel to Print Size:
(estimates)
|
PIXEL
SIZE |
FILE
SIZE |
ACCEPTABLE
PRINT |
BETTER
PRINT |
|
640
X 480 |
900
K |
2
X 3 IN. |
SMALL
THUMBNAILS |
|
1024
X 768 |
2
MB |
3
X 5 IN. |
LARGE
THUMBNAILS |
|
1
MEGA PIXEL |
3
MB |
4
X 6 IN. |
3
X 5 IN. |
|
2
MEGA PIXEL |
6
MB |
5
X 7 IN. |
4
X 6 IN. |
|
3
MEGA PIXEL |
9
MB |
8
X 10 IN. |
5
X 7 IN. |
|
4
MEGA PIXEL |
20
MB |
11
X 14 IN. |
8
X 10 IN. |
Photo Size Required:
|
inches |
inches |
ppi |
|
|
|
Interpolate |
MP Required |
|
5 |
7 |
240 |
1,200 |
1,680 |
2,016.000 |
300% |
0.7 |
|
8 |
10 |
240 |
1,920 |
2,400 |
4,608,000 |
300% |
1.5 |
|
11 |
14 |
240 |
2,640 |
3,360 |
8,870,000 |
300% |
3.0 |
|
16 |
20 |
240 |
3,840 |
4,800 |
18,432,000 |
300% |
6.1 |
|