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Hello,
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,
Regards,
Stoko.
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?
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?)
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.
Dave
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