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Benefits Using Exposure Compensation Dial
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Nov 8, 2022 09:22:23   #
repleo Loc: Boston
 
quenepas wrote:
This is a naive question BUT I’ve been trying to understand the uses of the Exposure Compensation (EC) dial on cameras. I understand the basics that rotating the EC dial to “+” increase light for exposure and rotating the dial to “-“ decreases light. But other exposure factors get modified when you do this (reduce shutter speed for “+” and increase for “-“). Can’t you simply make these manual settings when you want a specific effect? I guess the advantage of the EC dial is that it facilitates adjustments to exposure for a particular effect (darker/lighter exposure). But I think that mirrorless cameras with Electronic View Finders are the ones that mostly benefit from this technology. All comments are welcomed to enlighten a very aging amateur photographer and dedicated Hog follower.
This is a naive question BUT I’ve been trying to u... (show quote)

I use EC frequently in conjunction with the histogram to ETTR. If necessary, I will adjust EC to bring the histogram down to the base line at the right edge of the graph or maybe a half stop beyond. I usually shoot in aperture mode. Depending on how much EC I need the camera will adjust the shutter speed first until it comes down to about 1/100 and then it will start to change the ISO.

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Nov 8, 2022 09:26:20   #
Rab-Eye Loc: Indiana
 
Orphoto wrote:
Let's say for example that you are out shooting birds and it is all happening quickly. You might want to be in one of the auto exposure modes. Maybe all the little critters are up in trees or flying up above and these images with brighter backgrounds are leaving the subjects quite underexposed. You could add a stop or more of exposure using the EC dial to compensate for that. There are other situations where you might want to override the metering system.


👍🏻👍🏻👍🏻

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Nov 8, 2022 09:50:14   #
BebuLamar
 
camerapapi wrote:
My cameras do not have EC dials. Since I learned basic photography I have used the Manual Mode often and whatever compensation to the exposure I need I do it manually. I know it takes time but I do that mainly with my landscape photography.
Relying on the EC button the shutter speeds will be affected and to me that is not desirable because the change in exposure could not precisely be what I want. After so many years using film cameras where all controls were manual I got the habit of changing aperture or shutter speed to compensate the exposure according to my needs.

It is my understanding that EC only works with Auto modes although I know there are a few cameras that allow EC in the Manual Mode. Simply use the EC dial if you feel comfortable with it.
My cameras do not have EC dials. Since I learned b... (show quote)


I don't use the EC either but I wonder which camera you have that doesn't have it?

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Nov 8, 2022 10:24:01   #
MountainDave
 
I mostly use Av mode with manual ISO. The EC dial is a very convenient way to adjust exposure. With mirrorless, I get instant feedback with a histogram in the EVF. Usually +/- 1/3 stop does the trick but occasionally I'll need much more. In this setup, it changes shutter speed. I prefer that over changing the aperture. Exposure can be changed in post, but I get better results if I get it correct in the camera.

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Nov 8, 2022 11:26:11   #
Day.Old.Pizza Loc: Maple Grove, MN
 
It’s handy when shooting outdoors in Winter on a bright, snow covered day. It keeps the Snow looking White instead of Gray.

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Nov 8, 2022 11:45:32   #
kymarto Loc: Portland OR and Milan Italy
 
quenepas wrote:
This is a naive question BUT I’ve been trying to understand the uses of the Exposure Compensation (EC) dial on cameras. I understand the basics that rotating the EC dial to “+” increase light for exposure and rotating the dial to “-“ decreases light. But other exposure factors get modified when you do this (reduce shutter speed for “+” and increase for “-“). Can’t you simply make these manual settings when you want a specific effect? I guess the advantage of the EC dial is that it facilitates adjustments to exposure for a particular effect (darker/lighter exposure). But I think that mirrorless cameras with Electronic View Finders are the ones that mostly benefit from this technology. All comments are welcomed to enlighten a very aging amateur photographer and dedicated Hog follower.
This is a naive question BUT I’ve been trying to u... (show quote)


EC is extremely useful in auto modes A and S. If, for instance you are shooting a scene where your meter is allowing the highlights to be blown out, just adjusting the parameter that is fixed (for instance decreasing the aperture in A mode) will cause the camera to compensate by lowering the shutter speed to maintain the exposure it has chosen. EC tells your camera in auto mode that you want a darker or lighter exposure. In manual mode EC is useless.

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Nov 8, 2022 12:51:42   #
wdross Loc: Castle Rock, Colorado
 
quenepas wrote:
This is a naive question BUT I’ve been trying to understand the uses of the Exposure Compensation (EC) dial on cameras. I understand the basics that rotating the EC dial to “+” increase light for exposure and rotating the dial to “-“ decreases light. But other exposure factors get modified when you do this (reduce shutter speed for “+” and increase for “-“). Can’t you simply make these manual settings when you want a specific effect? I guess the advantage of the EC dial is that it facilitates adjustments to exposure for a particular effect (darker/lighter exposure). But I think that mirrorless cameras with Electronic View Finders are the ones that mostly benefit from this technology. All comments are welcomed to enlighten a very aging amateur photographer and dedicated Hog follower.
This is a naive question BUT I’ve been trying to u... (show quote)


One dial adjusts the exposure compensation while the other dial adjusts the aperture/shutter relationship. This is just two fingers on one hand near the shutter button. With the electronic viewfinder giving one a direct of feedout of the "final" image, this gives one near full control of the image. ISO can be set to either auto or a set value for total control. If one needs a set shutter speed or a set aperture, it is easier to switch to shutter speed mode or aperture mode. I set the exposure compensation (does the image exposure look correct?) and then set the aperture/shutter relationship. It works extremely quick. Sometimes one has to work with the ISO if one ends up at the open aperture limit or an aperture too small (e.g., f11 to f22). But for most shooting, it is not an issue. Due to IS, shutter speed is rarely a concern. This is why I normally shoot program mode. Note: program mode is not auto mode. It is extremely rare for me to use auto mode. My mode usage goes from program (near 100% usage) to aperture to shutter to manual to auto. And one should learn when to switch to another mode to create and achieve the image they want. And exposure compensation is available in every mode except with total manual sets of shutter, aperture, and ISO.

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Nov 8, 2022 14:33:54   #
SuperflyTNT Loc: Manassas VA
 
Linda From Maine wrote:
The above are succinct and all you need to know

With M4/3 cameras, electronic viewfinders and real-time exposure, I like to be in manual mode. If I want to change exposure quickly I can move my shutter speed knob/dial or aperture (both are on top of my camera and I don't need to take my eye away from the viewfinder).

I've never used EC in manual mode and don't understand its purpose in M for the real-time exposure cameras.
The above are succinct and all you need to know i... (show quote)


For wildlife I often shoot M mode with auto ISO. I want the widest aperture and I want to make sure my shutter speed is what I need. If I’m shooting birds against the background of trees my exposure is great but then I’m tracking a bird against the bright sky. The bird would be underexposed. But I can quickly add a couple of stops with EC to get a good exposure.

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Nov 8, 2022 16:47:19   #
jcboy3
 
SuperflyTNT wrote:
For wildlife I often shoot M mode with auto ISO. I want the widest aperture and I want to make sure my shutter speed is what I need. If I’m shooting birds against the background of trees my exposure is great but then I’m tracking a bird against the bright sky. The bird would be underexposed. But I can quickly add a couple of stops with EC to get a good exposure.


Many cameras are ISO independent, or have two ranges of ISO independence. For these cameras, ISO has no real affect on exposure. It just controls the brightness of the image. Which is important if shooting JPG, but is not important when shooting RAW. However, ISO will affect the image brightness in the viewfinder/LCD unless you have set the view to ignore camera settings. In that case, EC will change the image brightness as viewed, and that can help with subject identification.

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Nov 8, 2022 16:50:22   #
Big Clam Loc: Near Seattle
 
With the event of digital photography, I'm no longer concerned how many images I capture, even though I discard most. So, I use exposure bracketing (-1, 0, +1) and I usually get one that's exposed correctly. If not, I try again if the subject is still there. And I use the histogram to ensure that an important part of the image isn't blown out. Seems a lot simpler than using exposure compensation and taking one shot.

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Nov 8, 2022 17:01:59   #
Dennis833 Loc: Australia
 
I shoot landscapes as a profession and always shot in Aperture priority even back in my large format days. I always choose my aperture first based on the required depth of field need for each composition. I then adjust the shutter speed with the EC dial if needed. It's important to note that I always shoot from a tripod so I don't have to worry about camera shake at slow shutter speeds with low ISO settings. The main benefit of shooting with Aperture priority over manual is speed. Every time you turn a mirrorless camera on it will be very close to the correct exposure regardless of how far away the last exposure was and this can make a big difference in getting the shot.

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Nov 8, 2022 17:23:58   #
fantom Loc: Colorado
 
Linda From Maine wrote:
The above are succinct and all you need to know

With M4/3 cameras, electronic viewfinders and real-time exposure, I like to be in manual mode. If I want to change exposure quickly I can move my shutter speed knob/dial or aperture (both are on top of my camera and I don't need to take my eye away from the viewfinder).

I've never used EC in manual mode and don't understand its purpose in M for the real-time exposure cameras.
The above are succinct and all you need to know i... (show quote)


In manual mode EC adjusts ISO if AutoISO has been selected. But you need to be aware of what your ISO set points are because it will not go beyond them. I suppose it works this way for all modern cameras.

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Nov 8, 2022 17:53:12   #
Dan' de Bourgogne
 
quenepas wrote:
This is a naive question BUT I’ve been trying to understand the uses of the Exposure Compensation (EC) dial on cameras. I understand the basics that rotating the EC dial to “+” increase light for exposure and rotating the dial to “-“ decreases light. But other exposure factors get modified when you do this (reduce shutter speed for “+” and increase for “-“). Can’t you simply make these manual settings when you want a specific effect? I guess the advantage of the EC dial is that it facilitates adjustments to exposure for a particular effect (darker/lighter exposure). But I think that mirrorless cameras with Electronic View Finders are the ones that mostly benefit from this technology. All comments are welcomed to enlighten a very aging amateur photographer and dedicated Hog follower.
This is a naive question BUT I’ve been trying to u... (show quote)


Usually I take the pictures in mode "M" (EC being left at "0), but sometime I use the manual mode (setting SS and Aperture as I need them) and dial in ISO Auto...So, depending on existing light level AND reflectance from subject, I also might set EC + ou -...the exposure being then achieved by the ISO Auto and corrected by EC.
It works rather well.

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Nov 8, 2022 18:00:10   #
jcboy3
 
Big Clam wrote:
With the event of digital photography, I'm no longer concerned how many images I capture, even though I discard most. So, I use exposure bracketing (-1, 0, +1) and I usually get one that's exposed correctly. If not, I try again if the subject is still there. And I use the histogram to ensure that an important part of the image isn't blown out. Seems a lot simpler than using exposure compensation and taking one shot.


I use exposure compensation along with live view highlight display to adjust exposure so that the darkest exposure in a bracket has no blown highlights. I decide after the fact which exposure is best, or if I want to generate an HDR merge or masked merge. For speed, I shoot in Aperture priority and have EC set on the front control dial.

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Nov 8, 2022 21:28:59   #
nikon123 Loc: Toronto, Canada
 
I typically shoot in Aperture priority mode as such suits, for me, the types of photography that I prefer. I prefer street photography which often includes candid portraits of people that I 'target' and meet. I usually have my EC set to +1/3rd stop. I use back button focusing and rely on Exposure Compensation to quickly change the exposure, without increasing the ISO beyond the amount that I had set it to. I have used Auto ISO but infrequently. I also typically use centre weighted metering for daytime shooting. I did a shoot a few weeks ago of a client's grandchildren. All hand held, all in the shade, all with aperture priority and applied EC where necessary. If I do say so myself, the late afternoon light combined with a verdant setting produced some wonderful and well-exposed images. Since the images are a surprise gift for the grandmother, I cannot at this time share the images with you. I don't know that my camera will allow or prevent the use of EC in Manual mode, but why would you? It's manual mode! I also find that the use of EC is very helpful in situations where thye light meter is fooled, e.g. black objects, snow.

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