Focusing and Working distances of Nikkor lenses

lens

Coupled to:

length of the extension tube(s)

Focusing distance (cm) and working distance (red)

when R is equal to:
   

(mm)

1:3

1:2

1:1
AI 50 mm f/1.8

PK-12

14

27 (18)

-

-
AI 50 mm f/1.8

PK-11A+PK-12

22

-

22.5 (11)

-
AI 50 mm f/1.8

PK-11A+PK-12+PK-13

49.5

-

-

20 (6)
AI 55/2.8 Micro

-

-

30

25 (11)

-
AI 55/2.8 Micro

PK-13

27.5

-

25 (11)

22.5 (6)
AF 60/2.8 Micro

-

-

31 (17)

25 (12)

21.9 (7)
AF 60/2.8 Micro

PK-13

27.5

-

27 (12)

23
AF 60/2.8 Micro

TC-14 A

-

39 (25)

32 (17)

24 (9)
AI 105/2.5

PK-12+PK-13

41.5

-

44 (27)

-
AI 105/2.8 Micro

-

-

50

41 (24)

-
AI 105/2.8 Micro

PK-11A+PK-13

35.5

57.6

45.5

-
AI 105/2.8 Micro

PK-12+PK-13

41.5

-

46

37
AI 105/2.8 Micro

PN-11

52.5

-

47

37.2 (15)
AF 105/2.8 Micro

-

-

48

40

31.4 (14)
AF 105/2.8 Micro

PK-13

27.5

54

42.5

33
AF 70-180/4.5-5.6*

-

-

65 (36)

47 (23)

-
AF 70-180/4.5-5.6*

Close-up lens 5T

-

73 (50)

51 (27)

-
AF 70-180/4.5-5.6*

Close-up lens 6T

-

-

56 (32)

34 (9)
AF ED 200/4 Micro

-

-

90 (66)

70 (46)

50 (26)

* at 180 mm

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