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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"

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