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08-18-2012, 08:46 PM   #1
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COnfused by K-5 shutter speed readout

Friends:

This is my first post. A couple of weeks ago I bouoght a K-5, my first DSLR. I am not new to photography, having having many years and at least thousands of exposures in both 35mm and medium format, with K-1000, ME Super, Canon AE 1, Contax/Yashika and Hasselblad. However, in all these years I never used any auto features at all. Strictly meters and controls. So, a lot of K-5 features are quite new to me. One is particularly perplexing: when the shutter speed gets to a very slow point, it seems to read out in inches. That is, it has a number with a (") mark after it. I've looked tghrough the manual with care more than once and can't seem to find a reference to this. Can anyone enlighten me as to what it means?

Joe

08-18-2012, 09:00 PM   #2
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Shutter speed is displayed like this.

20 = 1/20 second
20 " = 20 seconds
08-18-2012, 09:01 PM   #3
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When it's with " after, it means full seconds.

i.e. 1" = 1 second.
08-18-2012, 09:03 PM   #4
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Just means seconds rather than 1/seconds. So 1/4 = 1 quarter second, .3" = one third second, and 2" = two seconds.

08-19-2012, 04:15 AM   #5
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FYI, you'll find that " also means seconds when measuring in longitude/latitude. e.g. 1 2 ' 3 " --> one degree two minutes three seconds.
Being that at one time a good amount of math was involved with photography, it is likely that many were already familiar with " == seconds.
My guess is that it was always cheaper and easier to pick a single character/symbol for seconds, so reusing " was a somewhat logical choice.
08-19-2012, 04:29 AM   #6
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QuoteOriginally posted by amoringello Quote
FYI, you'll find that " also means seconds when measuring in longitude/latitude. e.g. 1 2 ' 3 " --> one degree two minutes three seconds.
Being that at one time a good amount of math was involved with photography, it is likely that many were already familiar with " == seconds.
My guess is that it was always cheaper and easier to pick a single character/symbol for seconds, so reusing " was a somewhat logical choice.
Also with regard to time, I have always known ' = minutes and " = seconds
08-19-2012, 07:00 AM   #7
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Ah yes. Thanks to all. Seconds. It is quite obvious whern pointed out. Now I know.

J
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