Classic SLRs Series :
The T-90 is a photographic tool created specifically with the serious user in mind - you don't expect a beginner or a novice shooter to handle these task despite the fact that the T90 has a simple-to-use Programmed AE mode. To be more exact, it even might require experienced photographers with vast knowledge of photographic know-how (and also not so defensive with high-tech operations) to realize its full potentials. Its main targeted audiences were photographers or users of the A-1 and working professionals using the New F-1. Some of the features the T90 has was TTL flash - the first Canon model to have it, built-in coreless motors plus the Partial and Spot metering options that do not require the hassle of changing the focusing screens like in the case of the New F-1.
Why ? Just look at its features:
There are a total of EIGHT Exposure Modes:
1. Shutter-priority AE with selectable Safety Shift function (ON/OFF possible)
2. Aperture-priority AE with selectable Safety Shift function (ON/OFF possible)
3. Standard program AE
4. Variable shift program AE (selectable out of 7 programs)
6. Stopped down AE
7. Stopped down (fixed index) metering
8. Flash AE (possible with specified Canon Speedlites)
From the above, you can see that the T90 provided all imaginable auto/program functions that a photographer might be utilizing A built-in motor drive capable of a 4.5 frames-per-second continuous shooting yet required the power of only four AA-size alkaline batteries. A maximum shutter speed of 1/4000 sec. and a 1/250 sec flash synchronization plus the aforementioned three switch able metering distribution patterns - Center-weighted, Spot and Partial. Multiple AE modes including variable-shift program with 7 program settings.
The list goes on. All these had also indicated what Canon aimed to make the T90, its next generation of an automatic exposure-based SLR. That was the theme and as well as the direction of high-tech camera where the manufacturers thought the users wanted during that period. And that is why as I had said earlier, the Canon A1 did pale in comparison with the T-90, as far as its options/features are concerned. We will ignore the fact that the Minolta, which has kicked off the AF revolution with its body-integral motor's Maxxum 7000, was one factor why the T90 had a short life cycle.
Most of us appreciate that automation, which has made the entire photo-taking process more simplified than ever, is related directly with the advances in camera technologies. The highly successful and well received earlier models like the AE-1, AE-1 program, and the multi mode A-1 have laid a very good foundation for Canon users to appreciate the advantages and marvels of automation in the image making process.
The original and highly successful commercial model, Original Canon AE-1 (Sold more than 5 million units worldwide), was replaced by this camera, the AE-1 Program. It also retained the Shutter-priority AE function and with several improved features.
Thus, the T90 was also aimed at people who are satisfied with just pointing the camera and clicking away, aside from those who are real serious and enjoy the painstaking process of photography. The T90 allows you of not to worry about doing everything by yourself, like operating secondary factors like film advancing, rewinding and tedious calculations on exposures, leaving you to concentrate fully on the creative aspects.
The T90's control concept was successfully realized. Everything that can be automated is automated. Yet everything that requires human input has not been ignored by retaining the key components in the image making process to restore the identity.
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Maintenance Team: Credit: Pawel Nabe for his image on the Data Memory Back. EEwyn Foo, my nephew, who has spent quite a number of nights converting the original manual in HTML format. Mr. Richard Yeow, General Manager -Optical Division of Canon Marketing for granting special permission to reproduce this manual into HTML format in his site as a form of obligation to all the T90 users worldwide. Maintainders of the T90 Message Board: Kaipin, Terry Carraway & Dr Strangelove; Tom Scott, for his images of the SPD cell, Chris Tutti for his initial effort to scan and prepared the T90 manual in PDF format. My staffs Miss Wati and Mirza for helping the basic setup work. * Canon, T90, FD Lenses, Canon Marketing are registered trade names or trademarks of Canon Inc. Japan.