Canon SLR Camera Exposure Light Sensor Design!
column
camera
at first
I’m sorry
Because we can’t speak english
I am using DeepL translate, so it may be a strange sentence,
but I would like you to understand
Thank you
In this issue, we would like to discuss the exposure light sensor design of Canon’s 1964 manual focus film SLR camera.
Canon FX (Reference product)
The exposure light sensor is the part of the sensor that captures the light necessary to determine the exposure when shooting.
It is the cylindrical part located at the top of the front of the camera body by the film rewind handle.
The outer circumference of the cylinder is black in color and the front edge is silver in color.
A CdS photosensor is embedded in the center, which is necessary for exposure measurement, and is designed to capture light through light conduction.
Since the CdS photodetector requires a small current, a battery is inserted in the side (the lid is missing in the photo).
In this article, we discussed the exposure light sensor design of Canon’s 1964 release of manual focus SLR cameras.
This sensor uses a CdS photosensor, which was used in many film SLRs of this era.
This cylindrical design is not conspicuous, but it is casually mounted and plays an important role.
We will continue to introduce you to some very interesting aspects and innovative designs of film cameras, so please look forward to it!
Thank you again for reading this column.
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Writer Takashi Okumura
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