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"