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Canon 5d Mk1

stoko 10 4 United Kingdom
20 Jun 2012 1:32PM
Really new to photography and have just aquired a Canon 5d Mk1(Second or third hand).
I am getting to grips with it but I am puzzled when I set it to Tv mode and set a shutter speed of say 1000,then focus and take a picture, the camera alters the shutter speed down to 350 or whatever. Surely it should stay in the preset position or am I doing something very wrong? Any help would be appreciated,

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KevSB 14 1.5k 5 United Kingdom
20 Jun 2012 1:41PM
It should stay at that speed,You may need to get it checked out
Carabosse 15 41.0k 269 England
20 Jun 2012 1:49PM
Doesn't sound like you are doing anything wrong. The whole idea of the Tv setting is to fix the shutter speed. If this means the suitable aperture required is would be too large or too small for the lens in use, the figure should "blink". See page 86 of the manual or download one from here if you haven't got it.

Second or third hand, you say? Hmm... could it be faulty?
sherlob Plus
12 2.9k 129 United Kingdom
20 Jun 2012 2:46PM
CB makes an excellent point. If you are trying to shoot a subject at say 1000th of a second, but there is insufficient light to allow this the mode may be adjusting the shutter speed to the fastest available in order to give a workable result. What conditions were you using the camera in when you found this? Have you tried testing it at a range of shutter speeds in good light? And, how are you confirming what shutter speed was actually used (e.g. are you looking at the metadata?)
stoko 10 4 United Kingdom
20 Jun 2012 2:46PM
I have just changed-! The memory card and 2-The lens (24-70 2.8). The camera now retains the shutter speed so all seems to be O.K. Many thanks for the quick response!
Carabosse 15 41.0k 269 England
20 Jun 2012 2:57PM
Unlikely to be the memory card, I would have thought, but it could be the lens/camera linkage is the culprit.

You could try carefully cleaning the contacts on the camera and all the lenses you propose to use on it.
colin beeley Plus
15 1.2k 10 England
20 Jun 2012 7:17PM
you have got the safety shift set !
stoko 10 4 United Kingdom
22 Jun 2012 8:07PM
O.K. Thanks Colin! Yes I had,so simple!! Many thanks again. Just had a look at your web site,really impressed,
billip 13 414 United Kingdom
2 Jul 2012 8:52PM
I've just checked it out too (Colin's website); fantastic !
Dave_Canon 11 1.4k United Kingdom
8 Jul 2012 12:34PM
I could not resist the recommendation and can certainly confirm that there are splendid images on Colin's website. After seeing them, I must do some more sport myself.


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