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#1
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Question about Aperture priority and Shutter Priority
I had been trying to use Aperture / Shutter Priority modes for some
time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. |
#2
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"John Edwards" wrote in message oups.com... I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. Sorry that is not right. While it is correct that you need more light, there are many ways to accomplish this goal. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? No, you are very incorrect. The reason the camera chose f2.9 when you set the shutter speed to 1/60 was that f2.9 is the widest available. In the prior instance, the camera came much closer to the correct exposure. You should use flash in such a case. Jim |
#3
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"John Edwards" wrote in message oups.com... I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. Sorry that is not right. While it is correct that you need more light, there are many ways to accomplish this goal. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? No, you are very incorrect. The reason the camera chose f2.9 when you set the shutter speed to 1/60 was that f2.9 is the widest available. In the prior instance, the camera came much closer to the correct exposure. You should use flash in such a case. Jim |
#4
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"John Edwards" wrote in message oups.com... I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. Sorry that is not right. While it is correct that you need more light, there are many ways to accomplish this goal. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? No, you are very incorrect. The reason the camera chose f2.9 when you set the shutter speed to 1/60 was that f2.9 is the widest available. In the prior instance, the camera came much closer to the correct exposure. You should use flash in such a case. Jim |
#5
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"Jim" wrote in message om... "John Edwards" wrote in message oups.com... I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. Sorry that is not right. While it is correct that you need more light, there are many ways to accomplish this goal. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? No, you are very incorrect. The reason the camera chose f2.9 when you set the shutter speed to 1/60 was that f2.9 is the widest available. In the prior instance, the camera came much closer to the correct exposure. You should use flash in such a case. Jim On a canon A95 if you select a shutter speed for which the camera cannot match a correct aperture, the max aperture displays in red to warn that you are out of range. In aperture priority, if flash is not set, a time of 1 sec was indicated. If flash is set this changes to 1/60 and flash fires. All this requires display to be on. I would be surprised if other cameras weren't equally helpful, but if this is not the case it only reinforces my good judgement in selecting a canon. Dave Cohen |
#6
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John Edwards wrote:
I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. Sorry, but no. When you forced the 1/60 second, the camera just did the best it could with your required 1/60. Based on the camera's meter the image will be underexposed, or it might have increased the effective ISO (light sensitivity) setting, which you could have done manually. -- Joseph Meehan 26 + 6 = 1 It's Irish Math |
#7
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John Edwards wrote:
I had been trying to use Aperture / Shutter Priority modes for some time now. In all my readings online and in books, it is adviced that in low light situations where we need more light to come into the camera, use aperture priority. That seems about right. My question is the following : 1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. Sorry, but no. When you forced the 1/60 second, the camera just did the best it could with your required 1/60. Based on the camera's meter the image will be underexposed, or it might have increased the effective ISO (light sensitivity) setting, which you could have done manually. -- Joseph Meehan 26 + 6 = 1 It's Irish Math |
#8
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John Edwards wrote:
1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. It probably adjusted the ISO for you which is good. I think you are understanding this correctly, if it's so dark that you are getting speeds too slow to hand hold then yes, set it on shutter priority so you're pics don't come out blurred from shake when you don't notice. I usually use aperture priority when I need a high depth of field & the light is adequate. Total auto mode for some reason always defaults to poor depth (small aperture number) which is seldom what I want. Normally it won't give you a better depth until the speed goes below 1/60. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. |
#9
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John Edwards wrote:
1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. It probably adjusted the ISO for you which is good. I think you are understanding this correctly, if it's so dark that you are getting speeds too slow to hand hold then yes, set it on shutter priority so you're pics don't come out blurred from shake when you don't notice. I usually use aperture priority when I need a high depth of field & the light is adequate. Total auto mode for some reason always defaults to poor depth (small aperture number) which is seldom what I want. Normally it won't give you a better depth until the speed goes below 1/60. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. |
#10
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John Edwards wrote:
1) Say if I am shooting a picutre indoors (inside the house) with the built in flash of my camera, and say I adjusted the aperture to the lowest that my camera can go to (which is 2.9), I see that the shutter speed is automatically adjusted which it should as I am using the Aperture Priority Mode. The problem with this approach is the shutter speed is adjusted to say 1/4 or 1/2 sec, which is quite slow and might mean camera shake / blur if the subject is not really still. Now consider the same situation, if I used Shutter Priority and adjusted the shutter speed to 1/60, I can somehow still get 2.9 Aperture. It probably adjusted the ISO for you which is good. I think you are understanding this correctly, if it's so dark that you are getting speeds too slow to hand hold then yes, set it on shutter priority so you're pics don't come out blurred from shake when you don't notice. I usually use aperture priority when I need a high depth of field & the light is adequate. Total auto mode for some reason always defaults to poor depth (small aperture number) which is seldom what I want. Normally it won't give you a better depth until the speed goes below 1/60. Now the question is, it looks like shutter priority is better for low light situations where we want faster shutter speeds and wider apertures, am I correct in this assumption.. ? BTW, the camera I am using is a Nikon 4500 Digital Camera. Regards, -- John Edwards. |
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