Saturday, September 19, 2015

How to Work With Raw Camera Images

A raw file is the unprocessed data from a digital camera's sensor. Since the data is unprocessed, it requires special software to view and edit, but it also gives the user the ability to interpret the image data as he sees fit using processing software. This means that the user makes the choices about how the final photograph will look, and has a wider range of options when "developing" a digital photograph. Although it seems complicated at first, working with raw files is actually simple, and there are many free software downloads than can be used to view, organize and edit raw files.

Instructions

    1

    Understand that raw camera files are images that are saved from the data collected by the camera sensor but not yet interpreted by the camera's processor. This means that, by having the raw data, the editor can decide every how every option in his image is interpreted, from white balance to exposure to contrast to color saturation. To do this, the photographer must use a raw processing program to choose these options before exporting a final image. Adobe Lightroom 2 is a powerful raw processing program that is easy to use considering the power it gives the artist, and it allows a complete workflow from camera to finished file.

    2

    Import your raw files into Lightroom. To do this, connect your camera to your computer via the cable that came with it, or by taking the memory card out of your computer and putting it into a dedicated card reader. Then launch the Lightroom program. With Lightroom open, you can see that there are several selections across the top of the screen for where you can start working. Click "Library." On the left pane, click the "Import" button; a menu will open asking where you want to import files from. You will be able to select your camera or browse to raw files already on your computer. Once you have chosen the files, a menu will open asking you to choose your import settings. Select where the raw files will be stored, whether to rename them, and what keywords you want to apply for sorting them in the library module. After you have made your selections, click "Import"; you are ready to edit your pictures.

    3

    Click one of your pictures to highlight it, then click the word "Develop" at the top of the screen to bring that photo into the Develop module. This is where all of the editing choices are made, and all of the options you can select are on the right pane. First correct the white balance of your image by dragging the "White-balance" slider to the warm or cool side to remove any color cast your image may have. Then use the "Exposure" slider to correct any over- or underexposure you may have. After that, go down the list of sliders, adjusting only what is needed. The "Blacks" slider will set the maximum darkness of the shadow, "Fill Light" can be adjusted to bring out detail in the dark areas, and "Recovery" can bring detail back into the highlights. The overall brightness and contrast can then be adjusted with their sliders. Finally, use the Vibrance and Saturation sliders to adjust the intensity of the colors in your image. All of these options are done to taste; there are no "right" settings.

    4

    Export your final image. You can be in either the Develop module or the Library module to export. Go to the "File" menu and choose "Export." A box will open showing you the options for saving your file. After choosing the location, name and file format, hit the "Export" button. You are done processing your raw file.


A raw file is the unprocessed data from a digital camera's sensor. Since the data is unprocessed, it requires special software to view and edit, but it also gives the user the ability to interpret the image data as he sees fit using processing software. This means that the user makes the choices about how the final photograph will look, and has a wider range of options when "developing" a digital photograph. Although it seems complicated at first, working with raw files is actually simple, and there are many free software downloads than can be used to view, organize and edit raw files.

Instructions

    1

    Understand that raw camera files are images that are saved from the data collected by the camera sensor but not yet interpreted by the camera's processor. This means that, by having the raw data, the editor can decide every how every option in his image is interpreted, from white balance to exposure to contrast to color saturation. To do this, the photographer must use a raw processing program to choose these options before exporting a final image. Adobe Lightroom 2 is a powerful raw processing program that is easy to use considering the power it gives the artist, and it allows a complete workflow from camera to finished file.

    2

    Import your raw files into Lightroom. To do this, connect your camera to your computer via the cable that came with it, or by taking the memory card out of your computer and putting it into a dedicated card reader. Then launch the Lightroom program. With Lightroom open, you can see that there are several selections across the top of the screen for where you can start working. Click "Library." On the left pane, click the "Import" button; a menu will open asking where you want to import files from. You will be able to select your camera or browse to raw files already on your computer. Once you have chosen the files, a menu will open asking you to choose your import settings. Select where the raw files will be stored, whether to rename them, and what keywords you want to apply for sorting them in the library module. After you have made your selections, click "Import"; you are ready to edit your pictures.

    3

    Click one of your pictures to highlight it, then click the word "Develop" at the top of the screen to bring that photo into the Develop module. This is where all of the editing choices are made, and all of the options you can select are on the right pane. First correct the white balance of your image by dragging the "White-balance" slider to the warm or cool side to remove any color cast your image may have. Then use the "Exposure" slider to correct any over- or underexposure you may have.

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    . After that, go down the list of sliders, adjusting only what is needed. The "Blacks" slider will set the maximum darkness of the shadow, "Fill Light" can be adjusted to bring out detail in the dark areas, and "Recovery" can bring detail back into the highlights. The overall brightness and contrast can then be adjusted with their sliders. Finally, use the Vibrance and Saturation sliders to adjust the intensity of the colors in your image. All of these options are done to taste; there are no "right" settings.

    4

    Export your final image. You can be in either the Develop module or the Library module to export. Go to the "File" menu and choose "Export." A box will open showing you the options for saving your file. After choosing the location, name and file format, hit the "Export" button. You are done processing your raw file.



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