Modern Classic SLRs Series :
Canon T90's Metering Cell

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From: "Tom Scott" <>
To: "XXXXXXX" <>
Subject: Re: Picture of SPD photocell
Date: Thu, 6 Jul 2000 03:11:06 -0500
X-Priority: 3

You are looking at the cell and it is angled toward the shutter curtain. I was held the mirror up using the shutter release on bulb setting and the cell is the bright spot in the rectangle above the aperture lever. You can't see the shutter curtain for two reasons. First, the shutter is open and second, the picture was taken at an angle that prevents you from seeing it if it was there. If the picture was taken at a shallower angle, you would see a very overexposed frame of film.

SPD.jpg (28k) Loading...
However, I will shoot it again. I may be able to hold a small mirror in the body and get a better shot of it. 


From: "Tom Scott" <>
To: "xxxxxxxxxxxx" <>
Subject: Re: Picture of SPD photocell
Date: Thu, 6 Jul 2000 13:31:22 -0500
X-Priority: 3

Here is a new photo of the SPD cell.  It has obviously been shot from the rear of the camera with the shutter open so that you can get a clear view of it.

Tom Scott

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Credit: 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.