The illustrations in black and white are much clearer and easier.

AIS.jpg

AI.jpg

Original AI-S lenses have their minimum aperture value (largest number) on both the aperture ring and ADR ring in orange.
An original AI or pre-AI lens usually has the minimum aperture (largest number) on the aperture ring in blue (does not always apply). But no doubt, the ADR value is not color coded.
  


AI Lug.jpg

AI Modified.jpg

AI and AI-S lenses have a lens speed indexing post (lug) that is required for matrix metering in FA or F4.
An AI-modified Nikkor will not have such post and thus it will not work with matrix metering. The same applies to non-AI lenses when used with Nikon F4.


AIS Ridge.jpg

Non AI.jpg

ALL AI or AI-modified lenses have a meter coupling shoe (rabbit ears) that has a tiny opening (hole) on each ear. The meter coupling ridge is essential for proper Automatic Indexing.
The rabbit ear is a solid piece (no holes) for non-AI Nikkor lenses. The edge of the lens is flat (no meter coupling ridge). Generally, models after 1979 - with the exception of the professional F-series models (F5 may require factory modification) cannot use these lenses. eg. FM2, FM2n, FE2, FA, FG, EM, FG20, F-301 and virtually ALL AF models.

Why there aren't any AF lenses here ?
Because I'm lazy and I have not featured any AF camera models yet.
If these illustration still can't help you to understand.
Beat me...

MANUAL FOCUS Nikkor Resources | Autofocus Nikkor Resources

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| Part I | Part II | Part III |

Lens compatibility Chart for:
Nikon
FA, Nikon F-801 series, F-90 series, Nikon F4, Nikon F5

Back to Nikon Pictorial History Site
Back to Michael Liu's
Nikon Resources centre

Several events carried significant influence in the development of Nikon SLRs: Pre-AI (Nikon F, F Photomic, T, Tn, FTn; Nikkormat FT, FS, Nikkormat FTn; Nikon F2, F2 Photomic, F2 Photomic S, F2 Photomic SB; Nikkormat EL, FT2, ELw); AI (Nikon F2 Photomic A, F2 photomic AS; Nikkormat FT3, Nikon EL2, Nikon FM, FM2, FM2n, FE, FE2, EM, FG, FG20); AI-S (Nikon FA, F301); AF (Nikon F501, 801, F401s, F601, F601m, 801s, F401s, F90, F4 Series); AF-D (F90x onwards...)

For Specific manual focus SLR camera model(s), you can Click Here to access the PIM's Directories.

| Message Board | for your Nikkor optics ("shared" because I want some of you to expose to other's perspective as well, it is sad to see photography has to be segmented into different camps from the use of various labels).



weblibrary.gif   Nikon F | Nikon F2 | Nikon F3 | Nikon F4 | Nikon F5 | Nikon F6 | Nikkormat / Nikomat | Nikon FM | Nikon FE/ FA | Nikon EM/FG/FG20 | Nikon Digital SLRs | Nikon - Other models

Nikon AUTO Focus Nikkor lenses:- Main Index Page
Nikon Manual Focus Nikkor lenses:- Fisheye-Nikkor Lenses - Circular | Full Frame | Ultrawides Lenses - 13mm15mm18mm20mm | Wideangle Lenses - 24mm28mm35mm | Standard Lenses - 45mm 50mm 58mm | Telephoto Lenses - 85mm105mm135mm180mm & 200mm | Super-Telephoto Lenses - 300mm 400mm 500mm 600mm 800mm 1200mm |

Nikkor Link.jpg

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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help to make it better !

| Back | Main Index Page of Nikkor Resources
| Back | Main Index Page of Pictorial History of Nikon SLRs

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Credit: To all the good people who has contributed their own experience, resources or those who are kind enough granting us permission to use their images appeared in this site Note:certain content and images appeared in this site were either scanned from official marketing leaflets, brochures, sales manuals or publications published by Nikon over the years and/or contribution from surfers who claimed originality of their work for educational purposes. The creator of the site will not be responsible for may discrepancies arise from such dispute except rectifying them after verification."Nikon", "Nikkormat", "Nippon Kokagu KK" & "Nikkor" are registered tradename of Nikon Corporation Inc., Japan. Site made with an Apple IMac.