Nikon F3 with AS-7.jpg (15k) Loading...

AS-1-2-3-4-5-6-7,10 & 11.

Nikon Flash Unit Couplers provide direct electrical connection between a Nikon camera body and an electronic flash unit when the mounting foot of the flash does not fit the camera's built-in accessory shoe. The flash then can be used without a sync cord. Six types of Flash Unit Couplers are available according to the type of camera and flash combination

Nikon Flash Couplers' Compatibility Graph

Flash Unit Coupler



Electronic Flash Unit




Nikon F and F2 Series
Nikon Speedlight SB-15, SB-16B, SB-19, 20, SB-21B, SB-22, SB-23, SB-24, and other electronic flash unit with ISO-type mounting feet.




Nikon F5 and F4 (with DP-20, DA-20), F3P, F3H, F801, FA, FE2, FM2, FM2n, F-501, F401, F-301, and other cameras with ISO type hot shoes.
Nikon Speedlight SB-7, it permits flashes with F or F2 sockets to be used on F/F2 cameras with ISO hot shoe.




Nikon F3 Series
It permits flash units designed for Nikon F and F2 to be used on Nikon F3. Examples, older BC- units or SB-7E etc.




Nikon F3 Series
it connects flash WITHOUT a cable attachment functions but with a ISO-type hot shoe. Other newer units also usable Examples:- Nikon Speedlight SB-15, SB-16B, SB-19, SB-20, SB-21B, SB-22, SB-23, SB-24, and other electronic flash units with ISO-type mounting feet.

*1, *2



Nikon F2 Series
It reverses the usage of Nikon flash designed for the Nikon F3 special flash foot to be used on older Nikon bodies such as Nikon F and Nikon F2 models. Nikon Speedlight SB-12, SB-16A, SB-17, SB-21A




Nikon F5 and F4 (with DP-20, DA-20), F3P, F3H, F801, FA, FE2, FM2, FM2n, F-501, F401, F-301, and other cameras with ISO type hot shoes.
It works in principle as the AS-7, where Nikon Speedlight SB-12, SB-16A, SB-17 or special unit such as SB-21A designed for the Nikon F3 to be used on Nikon bodies with a standard ISO-type hot shoe.

*3, *4



Nikon F3 Series

This was specifically designed for Nikon F3, Where all ISO-type hot shoe Nikon flash can be mounted and used on the Nikon F3.



See Nikon SB-16 A/B

Nikon F3 Series

Basically the base module of the connecting part of the SB-16A, designed with a Nikon F3 flash foot.



Nikon F5 and F4 (with DP-20, DA-20), F3P, F3H, F801, FA, FE2, FM2, FM2n, F-501, F401, F-301, and other cameras with ISO type hot shoes.

Basically the base module of the connecting part of the SB-16B, designed with a any Nikon SLR with an ISO-type hot shoe.



The module has a direct connections for additional flash (off camera), it is used with sync cords such as SC-18 TTL multi-flash connecting cables. It has a tripod socket for independent use with a separate flash.







Nikon F3 Series

refer to this link

with other third party labels

Mounting Procedure

1. Turn the locking ring of the Flash Unit Coupler counterclockwise until it stops.
2. Insert the Coupler into the accessory shoe of the camera body until it stops. With the AS-1, AS-2, AS-5, and AS-6, push the Coupler into the accessory shoe from the rear. With the AS-3 and AS-4, insert the Coupler from the front.
3. Attach the Coupler to the camera body by turning the locking ring clockwise until it stops.
4. Then, attach the electronic flash to the Coupler's accessory shoe.

* Note: To use the F4 camera (with DW - 20 or DW - 21) with a speedlight flash unit, the SC 24 TTL light control cord is necessary.

| 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).

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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

Recommended Reading Reference on Nikon cameras and Nikkor lenses
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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.