The Nikkor Resources - AI-S Compatibility Chart
- Lars Holst Hansen-

logo.gifAIS.jpgtype lens compatibility chart

- on the compatibility of manually focused AI-S type lenses and tele converters with Nikkor F mount 24*36 mm SLRs - by Lars Holst Hansen


An MF AI-S type lens is best recognized by its LENS TYPE SIGNAL NOTCH - the little milled notch next to the lens locking indentation (see illustration). This indicates that the aperture stop down action is standardized as opposed to pre-AI-S lenses. 

A standardized aperture stop down action is a requirement for getting reliable shutter speeds in P and S modes, where the aperture is generally controlled by the aperture stop down lever - and not by the aperture ring (exepted is S mode with F2 and one of the EE aperture control units which turns the aperture ring automatically via either the METER COUPLING SHOE (DS-1 and DS-2) or the EE SERVO COUPLING POST (DS-12)). 

An MF AI-S type lens can tell a few cameras (FA, F-501 & F4) its focal length on a very crude scale; either less than (<) 135 mm or equal to or greater than (>=) 135 mm. This is done via the FOCAL LENGTH INDEXING RIDGE (present on lenses >= 135 mm).

MANUAL FOCUS Nikkor Resources | Autofocus Nikkor Resources
NIKKOR 20mm 1:2.8 (AI-S)

The information is used in dual program of FA and F-501 to optimize the shutter speed so as to minimize the effect of camera movement. An MF AI-S type lens has an orange smallest aperture number (highest f/number) on the ADR row - NOT just on the normal aperture number row as some lenses happen to have (AI 16/2.8 e.g.). Be aware that new aperture rings (even with orange smallest ADR aperture number) can have been retro fitted. 

An AI-S type Tele Converter will relay the MAXIMUM APERTURE INDEXING POST (see illus.) of an AI-S type lens (or an AI lens). The so called AI type TC will not do this. An AI-S type TC will also relay the prescence of the LENS TYPE SIGNAL NOTCH of an AI-S type lens so the combination will function as an AI-S type lens by itself. 

AI-S type lenses and TCs do infact AI-couple to AI-coupled finders and cameras via the METER COUPLING RIDGE (see illus.) It is NOT possible to easily "AI-S modify" an AI or pre-AI lens since the major difference is internal - the nature of the stop down action! 

Only a few cameras will take advantage of the extra features. Four cameras will distinguish between an AI and an MF AI-S type lens; FA, F-301, F-501 & F4 but FG will take advantage of AI-S type lenses even though it will NOT recognize them (see below).

Comments and corrections are welcomed!



Camera or Finder

Meter coupling?

Matrix?

Metered 
M mode?

A mode?

P mode?

S mode?

Exposure advantage(s) over AI?

Exposure advantage(s) over modern AF lens?

Meter (I), II & III  (1959, ?, ?)

1

 

1

     

 

1  2 

Photomic finder (1962)

3

 

 

     

 

2

Nikkorex Meter D (1962)

1

 

1

       

2

Nikkormat FT (1965)

4

         

 

2

Nikkormat FS (1965)

5

 

5

     

 

Photomic T finder (1965)

4

 

 

 

 

 

 

2

Photomic TN finder (1967)

4

 

 

 

 

 

 

2

Nikkormat FTN (1967)

6

 

 

 

 

 

 

2

Photomic FTN finder (1968)

6

 

 

 

 

 

 

2

Photomic (DP-1) finder (1971) 

6

 

 

 

 

 

 

2

Nikkormat EL (1972)

6

 

 

 

 

 

 

2

Photomic S (DP-2) finder (1973)

6

 

 

 

 

7

 

2

Nikkormat FT2 (1975)

6

 

 

 

 

 

 

2

Nikkormat ELW (1976)

6

 

 

 

 

 

 

2

Photomic SB (DP-3) (1976)

6

 

 

 

 

7

 

2

Introduction of first AI lens (1976)

Meter coupling?

Matrix?

Metered
M mode?

A mode?

P mode?

S mode?

Exposure advantage(s) over AI?

Exposure advantage(s) over modern AF lens?

Nikon EL2 (1977)

8

 

 

 

 

 

 

 

Nikkormat FT3 (1977)

8

 

 

 

 

 

 

 

Photomic A (DP-11) finder (1977)

8

 

 

 

 

 

 

 

Photomic AS (DP-12) finder (1977)

8

 

 

 

 

9

 

 

Nikon FM (1977)

8

 

 

 

 

 

 

 

Nikon FE (1978)

8

 

 

 

 

 

 

 

Introduction of first AI-S type lens (1978)

Meter coupling?

Matrix?

Metered 
M mode?

A mode?

P mode?

S mode?

Exposure advantage(s) over AI?

Exposure advantage(s) over modern AF lens?

Nikon EM (1979)

10

 

 

 

 

 

 

 

Nikon F3 (1980)

8

 

 

 

 

 

 

 

Nikon FG (1982)

10

 

 

 

 

 

11

 

Nikon FM2 (1982)

10

 

 

 

 

 

 

 

Nikon F3/T (1982/1984)

8

 

 

 

 

 

 

 

Nikon F3AF (1983)

8

 

 

 

 

 

 

 

Nikon F3P (1983)

8

 

 

 

 

 

 

 

Nikon FE2 (1983)

10

 

 

 

 

 

 

 

Nikon FA (1983)

10

12

 

 

13

 

14

 

Nikon FG-20 (1984)

10

 

 

 

 

 

 

 

Nikon FM2N (1984)

10

 

 

 

 

 

 

 

Nikon F-301 (1985)

10

 

 

 

15

 

16

 

Nikon F-501 (1986)

10

 

 

 

13

 

17

18

Nikon F-401 (1987) 

19

19

5

19

19

19

 

21

Nikon F-801 (1988)

10

20

 

 

20

20

 

22

Nikon F4 (1988)

8

12

 

 

20

20

23

24

 

Meter coupling?

Matrix?

Metered 
M mode?

A mode?

P mode?

S mode?

Exposure advantage(s) over AI?

Exposure advantage(s) over modern AF lens?

Nikon F-401s (1989)

19

19

5

19

19

19

 

21

Nikon F-601 (1990)

10

20

 

 

20

20

 

22

Nikon F-601M (1990)

10

20

 

 

20

20

 

22

Nikon F-801s (1991)

10

20

 

 

20

20

 

22

Nikon F-401x (1991)

19

19

5

19

19

19

 

21

Nikon F90 (1992)

10

20

 

 

20

20

 

22

Nikon F50 (1994)

19

19

5

19

19

19

 

21

Nikon F90X (1994)

10

20

 

 

20

20

 

22

Nikon F70 (1994)

10

20

 

 

20

20

 

22

Nikon FM2/T (1994)

10

 

 

 

 

 

 

 

Nikon F3L (1994)

8

 

 

 

 

 

 

 

Nikon FM10 (1995) *

10

 

 

 

 

 

 

 

Nikon F5 (1996)

10   25

20

 

 

20 

20

 

22

Nikon FE10 (1996) *

10 

 

 

 

 

 

 

 

Nikon F3H (1997)

 

 

?

?

 

 

 

 

Nikon F100 (1998)

10 

20

 

 

20

20

 

22

Nikon F60 (1998)

19

19

5

19

19

19

 

21

Nikon F80 (2000)

19

19

5

19

19

19

 

21


  YES
  NO
  NOT APPLICABLE 

Go to top of chart

NOTES
1 Meter (I), II and III (for Nikon F with eye level prism) and Nikkorex Meter D (for Nikkorex F **) enables non-TTL metering if lens has METER COUPLING SHOE (also known as meter coupling prong, "rabbit ears", "crab claws" or "hog nose"). Series E , NIKKOR 50mm 1:1.8 (N), lenses with a maximum aperture less than f/5.6, AI-S type Tele Converters (TC-14A, TC-14B, TC-201 & TC-301) and P lenses (with a chip) do not. A METER COUPLING SHOE can however be fitted except to the slow lenses (with maximum aperture less than f/5.6) and the AI-S type TCs.
2 Excluding the AF-NIKKOR 80mm 1:2.8 and the AF-NIKKOR * ED 200mm 1:3.5 for the F3AF no AF lens has a METER COUPLING SHOE. A such can however be fitted to most. With lenses lacking the METER COUPLING SHOE, stop-down metering can be used.
3 Non-TTL metering w. Manual Maximum Aperture Indexing, if lens has METER COUPLING SHOE (see footnote 1).
4 TTL-metering w. Manual Maximum Aperture Indexing, if lens has METER COUPLING SHOE (see footnote 1). Otherwise TTL stop-down metering can be used.
5 No metering
6 TTL-metering w. Semi-Automatic Maximum Aperture Indexing ("Click-Click" type) if lens has METER COUPLING SHOE (see footnote 1). Otherwise TTL stop-down metering can be used.
7 With EE Aperture Control Unit DS-1 or DS-2 if lens has METER COUPLING SHOE (see footnote 1).
8 TTL-metering w. Automatic Maximum Aperture Indexing (AI). Camera will even accept a pre-AI lens since the METER COUPLING LEVER will fold up, metering will have to be stop-down however.
9 With EE Aperture Control Unit DS-12 (even with lens lacking a METER COUPLING SHOE)
10 TTL-metering w. Automatic Maximum Aperture Indexing (AI). Camera will not accept a pre-AI lens as the METER COUPLING LEVER will not fold up.
11 Reliable shutter speeds in P & S mode - even without recognising the AI-S lens type!
12 The maximum aperture is mechanically transferred via the MAXIMUM APERTURE INDEXING POST & LEVER system for use in matrix with finder DP-20 (matrix is not available with DA-20, DW-20 or DW-20).
13 Automatic Dual Program (high when TC or lens >=135mm is attached, low when lens < 135mm)
14 Dual P + reliable shutter in P & S mode + TC compensation in matrix
15 Manual program shift (high or low) possible
16 Reliable shutter speeds in P mode
17 Dual P + reliable shutter speeds in P mode
18 Possible loss of flash capabilities (?)
19 Camera has no METER COUPLING LEVER and relies on lens chip and aperture setting on minimum to enable TTL-metering with Electronic Maximum Aperture Indexing.
20 Camera relies on electronic transfer from a lens chip. Only two MF AI-S type Nikkors have a lens chip and will therefore do matrix, P and S mode with the camera (and even meter with various F-401 models, F50, F60 and F80); Nikon ED - NIKKOR 500mm 1:4 P and Nikon ED - Zoom-NIKKOR 1200~1700mm 1:5.6~8 P . F4 strangely enough can not do S and P mode lenses without a chip even though the camera senses the maximum aperture mechanically (see note 12).
21 Even loss of metering and flash modes
22 Even loss of matrix, P & S modes and flash modes
23 Possible TC compensation in matrix when using an AI-S type TC
24 Even loss of P & S mode and flash zooming but matrix is still available
25 A special hinged METER COUPLING LEVER can be retro fitted.

* Nikon FM10 & FE10 is produced by Cosina not Nikon.
**Nikkorex is produced by Mamiya not Nikon.

A list of the MF AI-S type lenses and teleconverters is provided here
Credit: Thanks to Rick Housh & Rolland Elliot for helpful comments and suggestions!

This page is mirorred @ MIR
* Camera not produced by Nikon (Nikkorex F is produced by Mamiya, Nikon FM10 & FE10 by Cosina)

MANUAL FOCUS Nikkor Resources | Autofocus Nikkor Resources

Credit: Thanks to Rick Housh & Rolland Elliot for helpful comments and suggestions!

Last updated 11. Jan. 2000 Copyright © 2000 - Lars Holst Hansen ®

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Index Page
  Special Application lenses:
Micro-Nikkor Lenses - 50mm~55mm -60mm 85mm -105mm 200mm Micro-Zoom 70-180mm
Perspective Control (PC) - 28mm 35mm PC-Micro 85mm
Dedicated Lenses for Nikon F3AF: AF 80mm f/2.8 | AF 200mm f/3.5 EDIF
Depth of Field Control (DC): 105mm 135mm
Medical Nikkor: 120mm 200mm
Reflex-Nikkor Lenses - 500mm 1000mm 2000mm
Others: Noct Nikkor | OP-Nikkor | UV Nikkor 55mm 105mm | Focusing Units | Bellows-Nikkor 105mm 135mm
Nikon Series E Lenses: 28mm35mm50mm100mm135mm | E-Series Zoom lenses: 36~72mm75~150mm70~210mm


MF Zoom-Nikkor Lenses: 25~50mm | 28~45mm | 28~50mm | 28~85mm | 35~70mm | 36~72mm E | 35~85mm | 35~105mm | 35~135mm | 35~200mm | 43~86mm | 50~135mm | 50~300mm | 70~210mm E | 75~150mm E | 80~200mm | 85~250mm | 100~300mm | 180~600mm | 200~400mm | 200~600mm | 360~1200mm | 1200~1700mm

Tele-Converters: TC-1 | TC-2 | TC-200 | TC-201 | TC-300 | TC-301 | TC-14 | TC-14A | TC-14B | TC-14C | TC-14E | TC-16 | TC-16A | TC-20E

Recommended links to understand more technical details related to the Nikkor F-mount and production Serial Number:
http://rick_oleson.tripod.com/index-153.html by: my friend, Rick Oleson
http://www.zi.ku.dk/personal/lhhansen/photo/fmount.htm by: Hansen, Lars Holst
http://www.mir.com.my/rb/photography/hardwares/nikonfmount/lens2.htm
http://www.photosynthesis.co.nz/nikon/serialno.html

Recommended Reading Reference on Nikon cameras and Nikkor lenses
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