Classic SLR Series : Canon EOS-1N
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Background & lens development history: I am not entirely too familiar with Canon history but I will just try to gather & provide some basic info on various stages in the lens development history for the Canon 28 wideangles before stepping up to the Canon Autofocus EF 28mm lenses. The first Canon RF 28mm wideangle was probably produced in 1951. The early days of SENENAR f3.5 28mm was either produced for Canon rangefinder as well as some in LEICA mount (At the time of its introduction, the Canon RF 28mm f/3.5 was regarded as world's fastest 28mm as the Leica counterpart was a very slow TESSAR f8.0.). When all the lenses was produced under Canon own labels (approx. back in 1956-57), most are still retained in all chrome finishing but its later stage has converted into semi chrome-black finishes The three photos below clearly illustrated the few versions of Canon f:3.5 28mm (far left), Canon 28mm f/2.8 (center) as well as updated version of the semi black finishes (far right) of a modern well defined 28mm f/3.5 rangefinder wideangle.
Most of the early Canon RF 28mm wideangles were in a very simple Gauss-Type optical design with 6 elements in 4 groups arrangement. The first radical change in its optical design occurred in 1966 with the FL-mount 28mm f/3.5 which deployed with a new 7 elements in 7 groups design.
| Other info in FL-mount lenses |
There was no f/2.8 28mm in FL-mount. The weight and dimension of the FL 28mm f/3.5 was considerably heavier (240g from 160-170g) and larger than previous model(s) and it has a 58mm filter diameter from the older 34mm. The closest focusing distance has also improved to 0.4m from 1.0m of older RF equivalents. In 1971, when Canon introduced the new FD mount, a new Canon 28mm f/3.5 was also been redesigned in a 6 elements in 6 groups configuration. Other differences include an improved close focus magnification to 0.084X at 0.4m. The filter diameter has changed to 55mm and measures 64mm x 43mm and weighs heavier at 290g. The lens was soon upgraded as Canon FD 28mm f/3.5 S.C. in 1973 but weighs lighter at 250g.
Shanghai bay, riverside, 2006
Just treat this as a dummy picture as I don't think it is good enough to be used here.
Private Visual works for another project on IMAGES.com.my
On the other hand, the Canon FD 28mm f/2.8 S.C. which was skipped in development during the FL-mount era was given a rebirth in the FD mount in 1975 (there were actually two versions, the latter was reintroduced as an upgrade in 1977). The fastest lens speed of f/2.0 was also introduced in 1975.
| Lens info Site for original FD version |
The original Canon FD 28mm f/2.8 S.C. has a Lens Construction (group) 7 elements 7 group design. with closest focusing distance down to just 0.3m (Maximum Magnification ratio at 0.134X); the filter attachment size is also 55mm with a maximum diameter measuring at 64.6mm x 49mm and 65mm x 47.2mm for the 1977 version while the weight is 280g & 230g respectively Basically, the rear focus design of the latter version resolved the issue in optimizing quality image resolution yet succeeding in reducing its size. The Canon original FD 28mm f/2.0 S.S.C. was once, the fastest 28mm wideangle. Optically, it uses a 9 elements in 8 groups design, maintaining closest focusing distance at 0.3m and Maximum Magnification of an impressive 0.135X. Despite all these, Canon was still able to design it to use 55mm filters, the weight and length are considerably heavier and longer at 343g, measuring at 66mm x 61mm.This high performance wide angle ddid not has any aspherical glass element as with the ultra high speed Canon FD 24mm f/1.4 S.S.C; instead, Canon resolves the issue of conflicting aberration compensation by actively adopting new types of glass and appropriate power distribution achieved through new optical design technology. The lens also has a compensation mechanism (floating lens element system) for preventing deterioration of images in close shooting.
With the introduction of the hugely successful, fully automated film-based Canon AE-1 of 1976, the FD lens family also went through a broad based lens updating program; to differentiate the old and new, the Canon FDN 28mm wideangle also has a face life physically in 1979. Although optically it remains the same with the predecessor, physically, the wideangle underwent many changes; the main improvement was its size and weight where the lens was reduced to merely 170g and measuring just 63 x 40mm.
Further, the FDn version uses 52mm filter. The lens group of 28mm wideangle has two lenses at f/2.8 and f/2.0. The latter was also introduced in 1979 but unlike the f/2.8 the new FD 28mm f/2.0 underwent a different optical design with a 10 elements in 9 groups configuration. Other specification in its performance is almost the same except, it uses a smaller filter diameter of 52mm and with a lens diameter measuring 63 x 47.2mm, weighs a lighter 265g in body weight.
| Lens info Site for FDn versions |
Canon EF 28mm f/2.8 AFD wideangle lens
Marketed: 04.1987; Status:- current model
The Canon 28mm f/2.8 was offered as one of the original batch of autofocus EF lenses with the first EOS camera model of Canon EOS 650 and the semi pro model of Canon EOS 620 back in 1987. It is a standard wide-angle lens featuring good features in its very high quality image resolution, compact size and light weight. With an angle of view broader than a 35mm, while not as distorted as the ultrawide of 24mm, making it suitable for PR & family photography (especially with flash), casual snap shot, landscape and architectural photography.
Despite all these years, along with a few Canon primes lenses such as the EF 35mm f/2.0, the standard 50mm lenses, this 28mm wideangle has not been upgraded by Canon in its various aspect. The construction is above average (could be better); unlike the plastic mount, the stainless rear lens mount is still delightful enough; the depth of field scales has three apertures of f/5.6, f/11 and f/16 (I wish it has a f/22 and added another f/4.0 but the existing ones are good enough for most usage). One thing I like about this lens is is compactness (I pay a lesser attention to its weight factor as it is directly linked to qualitative aspect on exterior built quality). But overall, I would think this lens has one of the best price versus performance ratio within the Canon EF group for practicality.
Optically, it employs with a molded glass (GMo) aspherical lens element (1st element) which has largely contributed to its high image performance, the lesser use of multiple elements (5 elements in 5 groups design) lightweight optical system makes it weighs 185g ! The AF actuator is a Arc Form Drive, but the small number of elements delivers faster and smoother AF operation. Although the nature of wideangle lenses always associated with distortion; but it is extremely well contained and almost non-existent, making the lens ideal for architectural photography or scenes containing straight lines as picture element. One interesting point is, the manual focusing is actually mechanical. The omission of an USM does not permit manual fine focusing during AF; switching from AF to manual focusing still requires sliding the MF/AF switch; but as the drive was a short course design type, AF is smooth and assuring.
For those who still appreciate prime lens photography and its funsionality, this can be a very good and wise investment indeed. This lens ha also a wide spectrum in its backward and foreword compatibility as it works with virtually all Canon EF Mount EOS Digital and Film SLR cameras: such as Canon EOS Digital Rebel, XT, EOS 1D, 1Ds, 1Ds II, 5D, 10D, 20D, 30D, Rebel, Rebel G II, Ti, K2, 2000, 3000, EOS Ti, EOS 1v, EOS-3, Elan 7, 7E, 7N, 7NE, EOS 1, 1N, Pellicle Mirrored EOS-1n RS, EOS 10 QD, 100, 300, 620, 630, 650, 650 QD, 700, 700 QD, 750, 850, EOS-5 (A2, A2E), EOS 100/Elan, Elan II, IIE, IX, EOS RT etc..
Photo Credit: Image courtesy of Leif Tobias ® ™ from Germany, who has his own PORTFOLIO. An alternate source is visit his who has his Portfolio at Pbase. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.
In short, as long as your camera is a EOS SLR mode, this lens will fit ! On Digital SLRs, it has a 1.6 "crop factor" magnification makes this lens equal to an 45mm. It is an excellent quality prime focal length wideangle lens, some Canon users even rated it as a poor man's EF-L lens, but all it takes is at a fraction of the price of a EF-L. Well, for those who often shoot in low available light, Canon finally offered a f/1.8 version in 1995 as alternate consideration where one way or another, it patches a weak link at the 28mm focal length in varieties and options.
A friend recently asked for justification for investment on this wideangle - well, I guess many of don't really realize this is easily one of the most affordable EF lens in the EF lens group; along with a few remaining others, it has been in the EF lens family since the EOS system was introduced - a hidden element in its exceptional value not many others can survive for so long and not being phased out (facts remain, for nearly 2 decades it has never being upgraded !). I guess most Canon photographers are so used to shoot with zoom lenses nowadays (Errr.. it is more economical to own a zoom..) but shooting pictures with a prime lens can be quite different; one way or another (especially the newbie to SLR photography) you will be force to picked up more from using a fixed focal length optic. Personally, I appreciate the lens - it is simply a fruitful research from decades of wideangle lens development by the world's largest SLR/lens manufacturer; the rest is just how to activate our own imagination to put it to good use.
Technical Specification for Canon EF 28mm f/2.8 Wideangle lense: -
Type: - Autofocus lens type with manual focusing mechanism
Focal Length: Fixed focal length 28mm
Focus Adjustment:- Autofocus or manual focusing with a simple, straight forward extension type of focusing system
Manual Focusing:- possible via AF/M switch
Zoom Adjustment:- Nil. Fixed Focal Length Lens
Closest Focusing Distance:- 0.3 (1.0ft)
Maximum Magnification:- 0.13X
Drive System:- AFD (Arc-Form Drive) Actuator
Distance Scales: Provided via window on metres/feet.
An experimental photo taken with an EF 28mm f/2.8; B&W conversion I also used a post-processing techinque that involved softening the image to make it a bit more dreamy.
Credit: Image courtesy of Phil Gibson from USA.. where you can access his PORTFOLIO via Pbase.Com. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.
Angle of View:- 65° 46° 75° (horizontal, vertical and diagonal)
Aperture range:- f/2.8- f/22; Minimum Aperture: - f/22
Number of Diaphragm Blades: - 5 blades;
Depth of Filed Scale: f/5.6, f/11, f/16
Filter Attachment Size:- 52mm front mounting, non-rotational
Lens construction:- 5 Elements in 5 Groups
Extenders: Usable but not advisable.
Others: - Extension Tube EF 12II:- 0.56X~0.43X; Extension Tube EF25 (II) 1.09X-0.95X;
Diameter:- 67.4mm x 42.5mm (2.7" x 1.7"); Weight:- 185g (6.5 oz.)
Accessories:- Lens Cap/pouch E-52 (supplied ); lens hard case: LP-1011 or LHP-B9; lens Hood:- EW-65(II); Soft Case:- ES-C9. Gelatin Filter Holder (Hood) III -also fits for EF 35mm f/2.0 AFD 1; Gelatin Filter Holder (Hood) IV:- 1; 52mm UV Haze; 52mm Close-up Lens 250D, 500D; Dust Cap E Rear; 52mm Circular Polarizer; Macrolite Adapter 52C; EF Adapter
Status: Current model (as at 03.2006).
previous | NEXT | 1/2 Information & development History of the fast speed Canon EF 28mm f/1.8 USM wideangle lens
Relative: Manual Focus Canon FD mount Series Lenses
Suggestive External Web Resources: A) Camera Hacker's Review; B) Photozone Review; C) The Digital Picture.com Review; D) Ebay Price Search for new and used EF 28mm f/2.8
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