A Guide to Magnification & Diopter
|
DIOPTER |
MAGNIFICATION |
WORKING DISTANCE |
|
3 |
1.75x |
13" |
|
3.5 |
1.88x |
12" |
|
5 |
2.25x |
8" |
|
7 |
2.75x |
5.5" |
|
7.5 |
2.85x |
5" |
|
9 |
3.25x |
4.5" |
|
10 |
3.50x |
4" |
|
11 |
3.75x |
3.8" |
|
11.5 |
3.85x |
3.5" |
|
13 |
4.25x |
3" |
|
13.5 |
4.35x |
2.9" |
|
14 |
4.50x |
2.8" |
|
15 |
4.75x |
2.6" |
|
18 |
5.50x |
2.3" |
|
20 |
6.00x |
2" |