* "CPU" lenses refer to those AF Nikkor, AF-I Nikkor, IX-Nikkor or Ai-P Nikkor lenses which feature a built-in microcomputer and CPU contacts. ** With F4-series, Manual Focus Ai-S or Ai Nikkor lenses are also usable.
Nikon AF SB-23 TTL Speedlight
Introduced in 1988, Nikon SB-23 is a lovely, extraordinary compact TTL Speedlight unit. It is highly portable and despite its compactness and lightweight (weighs merely 140g), it has a great compatibility with many Nikon AF SLRs with its AF-assist illumination. It is also usable as an companion flash for Multi-Sensor Balanced Fill-Flash with the later Nikon AF cameras such as F5, F100, F90x, F85, PRONEA 600i or F70 etc. with any AF-Nikkor CPU lens*. With F4-series, F-801s, F-601, F50 or F-401x and a CPU lense **, it synchronizes well to be used as a dedicated Speedlight for Matrix Balanced Fill-Flash.
Credit: Images courtesy of Mr. Fred C. Adams® <email@example.com> from Fred C. Adams Fine West Photography. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.
The SB-23 has been listed in Nikon product listing for quite a long time (even when the Nikon F5 was introduced, it was still available). The tiny flash is the most compact among all Nikon AF TTL speedlights prior to 3.2 oz Nikon ultra-compact Nikon AF-TTL SB-30 Speedlight that introduced in 2002/3. It is a very handy flash as secondary flash unit in a multiple flash setup and/or syncro-sunlight fill flash. Other than TTL auto, it can still be used in manual flash control.
Nikon SB-23 Flash / speedlight compatibility chart with various Nikon cameras.
Source: Nikon Europe
Although the flash has not been equipped with many advanced features found in more sophisticated flash such as SB-24, SB-25 etc,. but this ultra-compact Nikon speedlight carries the advantage of being very economical and highly portable to be used as a small companion flash to fully supplement any Nikon AF SLR to explore TTL flash photography. The only apparent weakness you can pick on this flash is its rather weak guide number it offers but this is NOT essentially the main objective in its original intention to serve as a powerful TTL flash, so it is still all right if you can find its purpose in fill-flash in and around during location shooting.
Credit: far left Images courtesy of Mary <firstname.lastname@example.org> Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.
Credit: Image of SB-23 mounted on a display stand courtesy of Mr. Georges C. Couchepin® <email@example.com> from Switzerland. He also operates a popular Ebay Store selling many used photo equipment. Image copyright © 2003. All rights reserved.
Specifications for Nikon SB-23 TTL AF Speedlight
Electronic construction: Automatic silicon-controlled rectifier and series circuitry
Flash exposure control: TTL automatic control with Nikon F5, F100, F80 series, Nikon F4-series, F90x, F-801s, F70, F-601s, F501, F-401x with any AF-Nikkor CPU** lense. Multi-Sensor Balanced Fill-Flash with the later Nikon AF cameras such as Nikon F5, F100, F90x, F85, PRONEA 600i or F70 etc. with any AF-Nikkor CPU lense * NOTE: 3D Multi-sensors Matrix flash metering is not possible. * "CPU" lenses refer to those AF Nikkor, AF-I Nikkor, IX-Nikkor or Ai-P Nikkor lenses which feature a built-in microcomputer and CPU contacts. ** With F4-series, Manual Focus Ai-S or Ai Nikkor lenses are also usable.
Manual control: full output
Guide number (ISO 100, in): 20
Angle of coverage: 60° horizontal and 45° vertical
Film speed range in TTL auto flash mode: ISO 25 to 1000 with Nikon F4-series, F90x, F-801s, F70, F-601s, F50 or F-401x
Recycling time: Approx. 2 sec.
Number of flashes: Approx. 400
AF-Assist Illuminator: Automatically fires LED beam toward subject when performing autofocus with any Nikon AF SLRs which includes older series of Nikon SLRs such as Nikon F4-series, F90x, F-801s, F70, F-601s, F50 or F-401x in insufficient light
Power source: Four 1.5V AA-type alkaline or NiCd batteries
Dimensions (without mounting foot): Approx. 64mm (W) x 67mm (H) x 84mm (D)
Weight (without batteries): Approx. 140g
Other features: Ready-light
Accessory provided: Soft Case SS-23
Credit: far left Images courtesy of Mihail Adriana <firstname.lastname@example.org> Image copyright © 2003. All rights reserved.
Download a free instruction manual in PDF (3.1MB), courtesy of Mr. Jim/ lensinc.ltd. pls send a thank you note on my behalf as well.
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Main Index Pages for Nikon Flash Photography with Nikon F4 and others:
| Part I | Part II | Part III |
Nikon AF-TTL Speedlights | SB-20 (1986) | SB-22 (1987) | SB-23 | SB-24 (1988) | SB-25 (1991/2) | SB-26 (1994) | SB-27(1997) | SB-28 (1997) | Nikon SB-29(s) (2000) | Nikon SB-30 (2003) | Nikon SB-600 (2004) | Nikon SB-800 (2003)
Nikon AF-TTL Speedlight DX-Series: Nikon SB-28DX (1999) | SB-50DX (2001) | SB-80DX (2002) (updated)
Nikon BC-flash Series | Original Nikon Speedlight
SB-2 | SB-3 | SB-4 | SB-5 | SB-6 | SB-7E | SB-8E | SB-9 | SB-E | SB-10
SB-11 | SB-12 | SB-14 | SB-140 UV-IR| SB-15 | SB16A | SB-17 | SB-18, SB-19 | SB-21A (SB-29) Macro flash | Flash Accesories | SF-1 Pilot Lamp
The Camera Body - Features | Reliability | Focusing | Metering | Exposure Control | Lense Compatibility| Various Power Sources | Interchangeable Prisms | Data Film Backs | Focusing Screens | Flash Photography | Other system accessories | Cases for Nikon F4 Series | Remote Control |
| Specification | Main Reference Map | Nikon F4 Variants
Instruction Manual: PDF (4.5M) - External Link
| BACK | to Main Index Page Nikon F4 Series SLR camera Models
| Message Board | for Nikon F4 Series SLR model(s)
| Message Board | for your Nikon Optics in a shared environment
| Message Board | Specifically for Dispose or Looking for Nikon/Nikkor Photographic Equipment
| Back | to Pictorial History of Nikon SLR / rangefinders / Nikonos / digital cameras.
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 |
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
W A R N I N G: The New G-SERIES Nikkor lenses have no aperture ring on the lense, they when operating in manual exposure control even with certain earlier AF Nikon SLR camera models. Similarly, not ALL features provide in a modern AF-S series AF-Nikkor lenses can be utilized fully with a Nikon F4. Please refer to your local distributor for compatibility issue(s).
PLEASE NOTE: Complimentary links are appreciative but it is not necessary, I have limited bandwidth here in this server... So, PLEASE don't distribute this URL to any bulk mailing list or unrelated user-groups, just be a little considerate, thank you. (The more you distribute, the slower this server will response to your requests...). I am NOT a Nikon nor Nikkor expert, so don't send me any mails, use the Message Board Instead. While the content prepared herein should be adequate for anyone to understand and evaluate whether you should invest into a used Nikon F4 pro-camera system for your kind of photography. Well, IF you like what you have seen so far, please help to perfect this site by reporting any broken links or any errors made.
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Credit: Chuck Hester, US for his patience, encouragement and help to setup the various content in this site; Robert Johnson for some of his original images on the F2H-MD appeared in this site; my ex-staff, KiaSu for his superb 3-D logo appeared in this Nikon F2 site; Marc Vorgers from Holland who generously provide me with some of his images of F2AS; MCLau®, who has so much time with me to re-edit the content in this site and not to mention buying a Nikon Coolpix 990 just for this site; Paul Armstrong (email@example.com) for his explantion of the FF2 Slidemagic and Nikon F2 Pin Camera Keat Photo, Kuala Lumpur for providing their Nikon F2A to take some images for this site; Mr Edward Ngoh the great camera collector who provides us his collection of F2AS with MD-2; hawkeye.photographic.com for their images on the Speed Magny film backs; Sean Cranor for his image on Nikon F2 25th Anniversary Model; Ted Wengelaar®, Holland for his continuous flow of input on some of the early Nikon bodies; Genesis-Camera for granting permission to use an image of the SS-F2 camera; Mr Sover Wong, Australia for those great images of his rare F2 Gold;CYLeow ®, photo editor of the Star newspaper, Malaysia for some of his images used in this site. Ms Rissa Chan, Sales manager from Shriro Malaysia who has helped to provide some of the very useful input. HiuraShinsaku®, Nikomat ML, Japan for some of his images on various F2 models; my staff, Wati, Maisa, Mai and my nephew, EEWyn®, who volunteered and helping me did so many of the film scanning works; Hong-sien Kwee of Singapore for all the Nikon F2 Pin camera images appeared in this site; Luigi Crescenzi for many of his images on the Nikon F2 Titan; John for two of his images of the Nikon F2/T used in this site; Contributing photographers or resellers: Jen Siow, Foo KokKin, Arthur Teng, Mark Fallander, John Ishii, Ed Hassel, YoonKi Kim, Jean-Louis, M.Dugentas (Dell Corner.com.), Mr "Arsenall", Yang Zi Xiong and a few images mailed in from surfers with no appropriate reference to their origin. Note:certain content and images appeared in this site were either scanned from official marketing leaflets, brochures published by Nikon and/or contribution from surfers who claimed originality of their own work to publish in this site based on educational merits. The creator of this site will not be responsible for any discrepancies that may arise from such possible dispute except rectifying them after verification."Nikon", "Nikkormat", "Nippon Kokagu KK" & "Nikkor" are registered tradename of Nikon Corporation Inc., Japan. A site made with an Apple IMac.