Honeycomb-pattern Titanium Shutter Part III
The Nikon Titanium Shutter Improvements Made The first improvement was made in September 1982. This was made after a few reports have been received on the breakdown of maximum 1/4000 sec. shutter incorporated in the FM2, New FM2, FE2 and FA cameras. In most cases, Nikon concluded users' carelessness was the main cause as the shutter could have been mishandled by photographers earlier (Referred here for an illustration on opening the camera back). As the shutter curtains of 0.02mm in thickness travel across the aperture at approx. 3.3ms, their blades can suffer a large stress to get warped during the travel. To ensure the durability of performance, the shutter has been improved five times as follows.
1) Modification of inner aperture frame from July 1982
The upper wind-side corner of the inner aperture frame has been re-contoured to prevent the interference with the edge of closing curtain that travels with shaking between the aperture frames.
2). Modification of honeycomb structure from August 1982 One part of the honeycomb structure has been changed to reinforce the blade of closing curtain.
3). Change of material for closing curtain arm from February 1983 The material of closing curtain arm has been changed from titanium into carbon steel for reinforcement. 4). Improvement of closing curtain brake,e from May 1983 A spring has been added to the closing curtain brake increase the efficiency of braking. But this has not been applied to the former FM2 camera.
The above improvements have, in Nikon's opinion successfully leveraged the performance of 1/4000 sec. shutter for more than 100,000 shutter releases (Exposure Cycles). But it was also based on repair reports and judgment that, in most cases of the breakdown ever encountered, the shutter curtains may have been deformed by touching or probing with a photographer's finger.
5). Modification of rivets securing the blades from December 1983 The rivets have been modified to prevent dislocation of shutter curtain blades.
A good basic user education on camera care and handling should be continuously given on the careful handling of the very thinnest shutter curtains. Well, the best gift Nikon offered to such careless photographers is the decision of shutter curtain blade parts replacement as discussed earlier on the previous page. This is to save the replacement of whole shutter unit even in the case of shutter curtain breakdown, spare curtains are made available with this decision.
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Others:- 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)
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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
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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 lens, they CANNOT ADJUST APERTURES with any of these manual focus Nikon FE series SLR camera models; please ignore some portion of the content contained herein this site where it relates.
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A contributing effort to Michael C Liu's Classic Nikon Site.
Credit: Chuck Hester for some of his beautiful images used in this site; Ted Wengelaar®, Holland for his continuous flow of input; Lars Holst Hansen, Danish 'Hawkeye' who shares the same passion; Mr Poon from Poon photo for their input; Ms Miss Rissa (Sales Manager) & members of the Technical Service dept. of Shriro Malaysia, local distributor of Nikon cameras in Malaysia & Singapore, in providing so many useful input to make this site possible. Special thanks to Mr MC Lau, who has helped with his images of the MF-12 databack. Michael Tan, Pertama Photo (603-2926505) for lending his original Titanium Shutter Display Unit. Dave Hoyt who has prepared the introductory page and offer some images of his FE2 in this site.. Hiura Shinsaku, Nikomat ML, Japan for his contribution on all the various images; A contributing site to a long lost friend on the Net. 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. Made witha PowerMac.