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Feb 22, 2011 at 3:47 comment added mattdm @labnut: yeah, if it works for you I should not argue. :) It just seems backwards to me.
Feb 21, 2011 at 20:20 comment added labnut Or, to be mathematical about it, in the case of Tv, I mean that Time is the independent variable and Aperture is the dependent variable. But it is is all about the definition you can relate to. The definition I have chosen is the one which seems to have immediate mnemonic value (for me).
Feb 21, 2011 at 20:10 comment added labnut @mattdm, I hate to argue with someone who owns such a fine camera :) But it seems to me we are saying the same thing but attaching different meaning to words. When I say 'Tv means vary the Time)', I mean that I, the photographer, am varying, or controlling the time. You use the word 'set' the time while I use the word 'vary' the time. We both mean that the time is actively controlled by the photographer but use different verbs to describe the action. We both agree that the camera chooses a resultant Aperture. Which is variable? I have defined variable to be the quantity I actively control.
Feb 21, 2011 at 19:42 comment added mattdm Really? On my K-7, in Av, the aperture stays constant at what I set it to and the shutter speed varies. And in Tv, the shutter speed stays the same and the aperture changes freely depending on the metering.
Feb 21, 2011 at 19:28 comment added labnut @mattdm, it depends on the context. If you talk about 1/200 Tv then it is Time value. But, if you are referring to the dial setting, Tv means vary the Time (shutter speed), while keeping the Aperture constant. So to think of Tv as meaning Time variable is a useful memnonic to mean vary the Time. So when, for example, I set the dial to Av, I know immediately that the Aperture is the variable quantity. This, at least is true on my camera, a Pentax K7
Feb 21, 2011 at 3:48 comment added mattdm FTR I'm pretty sure it's "aperture value" and "time value", not "variable", because in these modes, that's the factor that's fixed, not variable.
Feb 21, 2011 at 3:46 history edited mattdm CC BY-SA 2.5
removing the "canon" tag, since the answer is "yes".; added 10 characters in body
Feb 20, 2011 at 22:42 answer added mattdm timeline score: 2
Jan 23, 2011 at 12:24 vote accept gerikson
Jan 23, 2011 at 12:23 history edited gerikson CC BY-SA 2.5
changed 'value' to 'variable' in view of later answer
Jan 23, 2011 at 7:30 answer added labnut timeline score: 14
Jan 22, 2011 at 22:55 history tweeted twitter.com/#!/StackPhotos/status/28948969807675393
Jan 22, 2011 at 22:04 comment added Nick Bedford Audio/Video Television :P
Jan 22, 2011 at 20:37 vote accept gerikson
Jan 23, 2011 at 12:24
Jan 22, 2011 at 20:30 answer added ElyaSh timeline score: 12
Jan 22, 2011 at 20:26 answer added Ken timeline score: 3
Jan 22, 2011 at 20:07 history asked gerikson CC BY-SA 2.5