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05/11/2004 04:38:14 PM · #1 |
I have been shooting photos with my Dimage 7i a year now and I must admit I enoy it. It's more fun than you'd expect. Moving in to dslr soon I need to grasp a few things that I beleive up to now that I have spent a year learning about F stops, apperature values etc.
Is it basic sence to say if you shoot landscape from far away that you want to shoot in A mode at the highest stop? eg f22 to get as much detail as possible and let the cam calculate the rest? Same thinking for fast scenes as football would shoot in shutter mode at fast (1/2000, 1/4000) on S mode unless you want to show motion where you'd shoot at S mode with a few stops below norm?
And when doing portraits at tele is it assuming you'd shoot at A mode with small App f2.5 etc for best effect? So when eould you use middle stops like f5, f6 etc?
Am I thinking straight?
Message edited by author 2004-05-11 19:18:50.
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05/11/2004 05:47:04 PM · #2 |
I think you are thinking straight. However, there are other settings to allow for variables like.. the amount of light available in a scene. Are all your landscapes going to be shot at high noon in a cloudless sky? Then I guess f22 would be it. But what if there were more clouds? What if you were shooting that same scene at dusk?
What if rain was coming down at the horizon, but was dry where you were standing?
I don't think you need to shoot that fast for football.. also it depends on the other lighting factors. Aren't those settings more for, say, Lightning?
Portraits is another whole issue. "Best effect" is subjective. What is the background like? How much of it tells the story in your portrait? Do you want to have the dof short enough to begin to get the ear/shoulder area in a head shot to be a bit blurred? Again, this all depends on the light available.
Hope this is what you meant to get as a response. :)
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05/11/2004 06:03:10 PM · #3 |
for sports you should use aperature priority mode, set it to the widest aperature (smallest f stop number) and let the cam do the rest.
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05/11/2004 07:12:39 PM · #4 |
Hm, even though I understanding I still do and don't. I know what each thing does but I get confused when it comes to combinations. If I want most of the detail of the scene why shoud I worry if it's dark? Assuming you have a tripod you should be ok. I have to experiment more when I get my D70
Message edited by author 2004-05-11 19:17:19.
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05/11/2004 07:20:26 PM · #5 |
Originally posted by zeus68:
Hm, even though I understanding I still do and don't. I know what each thing does but I get confused when it comes to combinations. If I want most of the detail of the scene why shoud I worry if it's dark? Assuming you have a tripod you should be ok. I have to experiment more when I get my D70 |
True, you have more choices shooting still scenes from a tripod. The overall answer to the question "wwhat works when?" is "there really is no simple answer."
Aperture controls DoF and affects required shutter speed, shutter speed controls motion blur & affects required aperture, ISO can compensate somewhat when shutter and aperture needs conflict. you must choose the combination that will fulfill your "vision" for the shot, while maintaining acceptable exposure. The choice is not always easy, nor clear-cut. It is often a compromise.
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05/11/2004 08:24:01 PM · #6 |
Originally posted by kirbic:
True, you have more choices shooting still scenes from a tripod. The overall answer to the question "wwhat works when?" is "there really is no simple answer." |
You also have to consider that every lens has a "sweet spot" or an aperture at which it is sharpest. |
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