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″