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Cameras set on autoexposure which will read the 64T notch correctly, expose the new film as 64ASA, and therefore need no adjustment, include: |
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Cameras set on manual exposure - user sets film speed at 64ASA - so no further adjustment necessary: |
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Cameras which will misread the notch as 40ASA and should then be set to manual adjustment and the aperture set to be 2/3 stop less than the 40ASA reading: |
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Cameras which will misread the notch as 40ASA, requiring manual exposure compensation by adjusting the exposure dial by minus 2/3 stop: |
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Cameras having Exposure Lock on internal light meter, which will misread the notch as 40ASA. Point the camera at any object which will give a reading of 2/3 stop less open than that given on the required object, then press exposure lock button: |
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Cameras having Exposure Lock on internal light meter, which cannot see the notch and think it is 160ASA: |
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Cameras misreading the notch as 40ASA and requiring 0.2ND filter on the lens (thus giving the required minus 2/3 stop compensation to expose the film as the correct 64ASA): |
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With thanks to Kodak Ltd. |