T was also a bit of a holdover from plate cameras that could use a dark
slide and focussing screen. It is necessary to lock the shutter open for
focussing. Real shame it was discontinued!
Andrew
>There were a lot of cameras that had T (Time) and B (Bulb) settings in the old
>days; operation was as described by John P. .
>The T setting, using a cable release, was much more practical for long time
>exposures than B (still is!). To simulate T you could get locking cable
>releases
>to use with B, but T was easier...
>
>mvh / regards
>Roger Key
>
>
>
>>Skip says
>
>> Anybody know the difference between the T and B settings?
>
>>>From what I can remember - B opens the shutter, the shutter stays open
>>as long as the button is pressed. Let go of the button and the shutter
>>closes. T opens the shutter at the first press, it stays open after
>>the button is released and closes when you next press it.
>
>>John
>
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