Adobe Camera Raw for Digital Photographers Only [NOOK Book]


Expert photographer Rob Sheppard explains the details of Camera Raw, the steps for using it, the workflow process, and certain best practices that demonstrates how Camera Raw can empower the digital photographer. Encouraging you to use it as you see fit, he explores the enhancements in the newest generation and helps you deal with RAW's limitations, manage white balance and exposure, reduce noise (especially in night shots,) and learn to use camera settings that make the most of...
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Adobe Camera Raw for Digital Photographers Only

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Expert photographer Rob Sheppard explains the details of Camera Raw, the steps for using it, the workflow process, and certain best practices that demonstrates how Camera Raw can empower the digital photographer. Encouraging you to use it as you see fit, he explores the enhancements in the newest generation and helps you deal with RAW's limitations, manage white balance and exposure, reduce noise (especially in night shots,) and learn to use camera settings that make the most of RAW capabilities.
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Product Details

  • ISBN-13: 9781118079362
  • Publisher: Wiley
  • Publication date: 6/9/2011
  • Series: For Only , #2
  • Sold by: Barnes & Noble
  • Format: eBook
  • Edition number: 2
  • Pages: 384
  • File size: 56 MB
  • Note: This product may take a few minutes to download.

Meet the Author

Rob Sheppard is editor-at-large for Outdoor Photographer, and is author/photographer of over 20 books including The National Geographic Field Guide to Photography and Adobe Photoshop Lightroom for Digital Photographers Only. He is committed to bringing professional photographers together with technology that benefits their craft. His Web site is
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Read an Excerpt

Adobe Camera Raw for Digital Photographers Only

By Rob Sheppard

John Wiley & Sons

ISBN: 0-7645-9683-7

Chapter One


As a photographer, you need to understand something of what Raw is and is not in order to use Camera Raw file conversion software to its best. Raw is an important file format that offers a great deal of flexibility, but it is no magic bullet that can correct any problem with the original photography. The photo must be shot right from the start in order to get images like figure 1-1.

In addition, the debate of JPEG versus Raw often degenerates into one format being arbitrarily better than the other. Neither is automatically the best choice for a photographer. Raw offers much control, but also demands more in workflow. It is a terrific format for the thoughtful photographer and the careful worker who demands much from photography, but it has to be treated with a certain understanding of what it can and cannot do.

A Raw Start

This is a tremendous time to be photographing. Cameras are better than ever and the whole digital transition has brought a new excitement to the craft. While film still has its uses, digital capture of images offers so many great advantages to the photographer that film is rapidly becoming a specialized way of shooting in everything from nature to people photography like figure 1-2.

One terrific innovation that came with digital photography is the Raw format, although technically, itis really the Raw formats. Every camera manufacturer has its own Raw format unique to its products. There are variations as the companies have made modifications, plus there can be unique formulations of the format for advanced compact cameras compared to digital SLRs. Confusing, true, but it only has to be if you want to know all the formats. Really, all you need to know is the one specific to your camera.

Adobe's DNG (digital negative) format has some potential to be a universal Raw format, though only time will tell about that.

How to Deal with Raw

This book also covers Raw as if it were one format. That's easy to do in a book specifically about Adobe's Camera Raw plug-in built into Photoshop CS and the program that comes with CS2 because Camera Raw treats all Raw formats equally well. It also deals with them seamlessly, without any need to think about format variations.

Raw is a unique format of image data that is unusable until opened and converted by a converter such as Camera Raw. Figure 1-3 shows a Raw file opened by Camera Raw (top) and the bottom image shows the file now converted. A Raw file holds a dense amount of information that you can mold and adjust in order to gain a high-quality image of your subject. You can also use other conversion programs, including those from the manufacturer, to achieve high-quality results, but other conversions require a more involved workflow because they do not have the integration with Photoshop that Camera Raw has.

A lot of confusing and misleading information on Raw has appeared in print and on the Internet - as well as much good and useful information. But misinformation, and even myths, about Raw can lead to unnecessary work in the computer in Camera Raw and could even yield results that might not truly enhance the image appropriate to your vision of the subject.

This book shows you how to use Camera Raw effectively and efficiently. You learn how Camera Raw works by seeing how it affects photographs and photography. I have a passion for helping photographers use new digital technologies to the photographer's benefit. I have no interest in working with computers unless they do something for the photographer, so every technical, computer-oriented aspect of Camera Raw stays grounded in terms the photographer understands.

The JPEG versus Raw Debate

Digital offers so many new things that the choices are confusing at times. And sometimes the choices are not perfectly clear, such as Raw and JPEG. In this book, you see why Raw is an important tool for photographers, and you get a lot of ideas on getting the most from it. My goal is to make Raw really work for the photographer by better use of Camera Raw.

Unfortunately, tech folks often push Raw without consideration as to how photographers like to work. Photographers sometimes use Raw even when it does not meet their needs but they feel guilty if they shoot JPEG. Well-meaning experts often promote one approach to digital, because that is how they do it, but unfortunately, they don't adequately explore alternatives as really used by photographers. Figure 1-4 shows a whole set of image files, both Raw and JPEG, and each file type has its advantages.

I've written a bit about JPEG and internal processing in cameras in a number of publications because there are photographers who are well suited to shooting that way. You need to understand a bit about using JPEG as well, because shooting 100 percent Raw is not effective nor efficient for every photographer or in every situation. In spite of hype within the computer industry and from some Photoshop gurus, JPEG can be a high-quality format - it just is not as flexible and adaptable as Raw. In addition, for certain types of photography, JPEG has some advantages for any photographer.

Why Use Raw?

Raw is an extremely valuable tool for the digital photographer, but not because of the math. Too many well-meaning computer types tell you it holds 16-bit compared to the 8-bit data of JPEG. Even if you don't know what that means, it sure sounds impressive. But photography is not about math unless you are a camera designer. Photography should be about the images. Yes, the higher bit depth in a Raw file can help, but that shouldn't be the only reason for using a Raw file. There are some reasons that figure 1-5 does well coming from a Raw file, as you'll discover in this book, but if the photograph isn't adequate, no amount of Raw math will help it.

Raw is remarkable and important for its broad photographic capabilities. There are four key photographic reasons for photographers to use it:

> You gain some serious processing power for the image file.

> You need the increased flexibility that Raw offers. > You have had problems due to the limitations that can come when shooting JPEG.

> You like working through an image to get the most from it.

Once you do decide to work with Raw, it is very important to understand Raw requires a certain workflow to get the most out of it, a workflow you learn in this book.

Understanding Raw

To use Raw to its best advantage, it helps to know a little about it. Raw cannot fix every lighting or exposure flaw in an image. Unfortunately, a mythology around Raw implies it can do this.

"Don't worry about exposure or color, you can fix it when you shoot and process in Raw!" That way of thinking is seductive, yet very dangerous. An image like that in figure 1-6 is a problem, no matter if shot in Raw or not.

Raw is:

> A type of image file with minimal change to the data coming from the sensor.

> Not unprocessed data as you may have read. The sensor creates analog information that must be processed into digital data.

> Image data that is converted from analog information with the A/D (analog/digital) converter and is a complex engineering challenge that luckily camera manufacturers have mastered for you.

> Affected by exposure as it is increased or decreased to the sensor's limits; the A/D converter will have problems dealing with those conditions.

Raw Capabilities

A Raw file holds more tonal and color information than JPEG - 16-bit versus 8-bit - and offers a great deal of flexibility in how you can work the tones and color in an image. With Raw, you can frequently extract tones and details from the brightest and darkest areas of an image that have no detail in a JPEG file. This can be quite remarkable because it can at times allow you to show information in your photo that more closely resembles the real-world subject you want to preserve compared to what you find in a JPEG file or even from slide film. Figures 1-7 and 1-8 are two examples where the higher bit-depth of Raw helps. The light tonalities in the image can be difficult to manage if shot with JPEG.

Print film is a little different. Some people compared it to Raw, but there are significant differences between them. Both offer a great range of tones from black to white, but they handle the tones somewhat differently. That is neither good nor bad; it is just different. Because this is a book about Camera Raw, you may wonder why this is mentioned at all. The reason: Some photographers, especially wedding photographers who have much to gain from Raw capabilities, traditionally shot print film and expected Raw (especially when it is compared directly to a film negative) to give them the same results. The two media require different approaches, so these photographers get frustrated and disparage Raw. It is not Raw's fault, but misplaced expectations. With proper use, shooting Raw can be easy and fun even for the traditional print-film shooter.

In addition, image tonal qualities can be maintained through greater adjustments done in Raw. You can creatively push and pull the tones of a photo to make it better do what you want when you use Raw. This format also allows you to enlarge digital images to a larger size with higher quality than if you enlarge them later in Photoshop or using most other enlarging software. This allows the printing of very large prints from even small digital files that maintain superb quality.

Do Not Shortchange Raw

The misconception that Raw is so adaptable that there is no need to worry about exposure or color shortchanges with Raw creates more work to do in the computer (which can be frustrating), and can result in less than the best tonalities and color. Consider these three things:

> Raw still comes from a sensor that has a finite range from black to white - if your exposure is outside of that range, nothing can bring it back, not even Raw.

> Because Raw comes from a digital translation of analog information given by the sensor (the A/D converter mentioned previously), the old adage of garbage in, garbage out is definitely appropriate here.

> Raw does its best when it has good information coming from the sensor right from the start.

That's the key to any good picture, not just Raw: Shoot it right in the first place. If you have doubts, try another exposure. Following is a look at a few problems that come from poor photographic technique when shooting Raw.

These techniques are all covered in depth in the following chapters.

> Underexposure: This is the worst problem. If you underexpose a Raw file so that the tonal information is mostly in the dark areas, you do not have the best tonal or color information to work with (see figure 1-9). When you brighten those areas, you also bring out noise. Even the best of digital cameras shows annoying noise when an image is underexposed.

> Overexposure: Excess exposure causes tonal and color problems in later adjustments, again because of weaker colors and less tonal information. Added noise is not the problem here, but you get blocked-up, detail-less highlights that are a pain to deal with, as shown in figure 1-10.

> White balance: Shooting on auto white balance does not cause quality problems when shooting Raw, but it can create workflow issues later. If you set a specific white balance on your camera when using Raw, no pixels are harmed. But a tag of information about that setting goes with the file so that when it opens, it opens in the Raw converter with that white balance. You now have a specific point of reference to adjust from rather than the arbitrary and sometimes capricious white balance chosen by the camera as shown in figure 1-11.

What is 16-Bit All About?

Image files work with data based on how many levels of gray tones exist between black and white for each of the three colors of digital: red, green, and blue (RGB). For a very long time, 8-bit data was the standard. It offers 256 distinct tones per color, for a total of over 16 million color values. This is a lot, obviously, and anyone who tells you that you can't get a quality image from 8-bit color is working by computer-ese and not photography. Photoshop is based on it, and digital camera files in JPEG use it. The use of 8-bit color does match how you see tonal and color information and can be perfectly capable of excellent results.

Problems with 8-bit occur if you have to stretch it a bit in processing as in figure 1-12. There is very little stretch room because as you stretch data, you lose steps of color and tonal information, resulting in problems with gradations of brightness and colors. If your exposure is off or there are contrast issues in the image, you quickly run out of tonalities with which to adjust. In addition, the color of 16-bit expands the working range of colors and tones exponentially. You can do a lot of heavy-duty adjusting without the image suffering.

Technically, however, most digital cameras are only capable of capturing 12-bit color, which is still more than 8-bit. This 12-bit data is put into a 16-bit bucket, so to speak. At 12-bit, you get 4096 distinct tones per channel for a total of over 68 billion color values. That's 4,000 times 8-bit. That seems like a lot.

But remember, this is not expanding the capture range of the camera. For example, pure white and pure black still correspond to the limits of the sensor. What 16-bit (or the actual 12-bit of captured data) does is to give more steps in the working range, which increases the number of divisions between white and black, light and dark and provides a huge amount of flexibility and control over the tonality of the image. Frankly, you do not always need all those steps. Think of a staircase. The top and bottom stay put, but increasing the bit depth increases the number of steps between the top and bottom. This can be critical if you try to push a heavy object up the stairs, but it makes no difference if you run up the stairs skipping steps anyway.

Those extra steps really do matter when you want to find more detail in certain parts of the range. You can stretch that portion without damage to the overall tonality of the image. In addition, those extra steps allow you to make major changes anywhere along the range of tones without causing problems to the tonalities and colors that are left (because there will be a lot of them left). Figure 1-13 is a converted but unprocessed Raw image to give you an idea of an image with lots of dark tones and a group of light tones, but much less in the midtone range. This is an ideal subject for Raw.

Is Raw the Pro Format?

Some photographers think that Raw is the format for professionals and JPEG is for amateurs. This can get you into trouble as it gives the wrong impression of what Raw does for you. Both formats are capable of the highest quality images.

Raw is a tremendous tool when you need it, but it is not for everyone, pro or amateur. If you arbitrarily use Raw at all times, and it doesn't always fit your needs, personality, or style, you may begin to find you have less enjoyment from working digitally. I don't shoot Raw all the time, and I have had many JPEG-shot photos published. Earlier in the digital changeover in photography, I shot mostly JPEG because the memory and processing overhead for Raw was a pain to deal with.

Raw no longer has that overhead problem. I like the rich capabilities of Raw, and now that large memory cards have come down in price, I use it extensively because it is such a valuable tool. Cameras that shoot Raw and JPEG at the same time are very useful but require larger memory cards as seen in figure 1-14. Raw is very important for digital photography, but it should never be used as an odd way of separating good photographers from bad. That comes from what's in the Raw or JPEG file, not from the file itself. Don't let any photo guru bully you into using either Raw or JPEG when they are not appropriate to your needs.


Excerpted from Adobe Camera Raw for Digital Photographers Only by Rob Sheppard Excerpted by permission.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.

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Table of Contents

About the author.





Part I Capture Workflow.

Chapter 1 What are RAW Files Really About?

A RAW start .

Why use RAW?

Understanding RAW.

RAW capabilities.

Do not shortchange RAW.

What is 16-bit all about?

Proprietary formats.

The value of dng.

Does jpeg have a place?

Chapter 2 Shoot RAW Right from the Start.

The digital darkroom.

Understanding the sensor.

Dealing with limitations.

Exposure – more than getting brightness correct.

Reading the histogram without being an engineer.

Interpreting the histogram.

Looking at histograms: examples of good and bad exposures.

Perfect exposure with ideal histogram.

Nice range of tones from left to right.

Histogram has visual relationship to scene.

Light tones kept in range.

Black-and-white challenge.

Restricted tonal range still needs good exposure.

Poor exposure causes color problems.

Bad light causes exposure problems.

Poor exposure causes background problems.

Exposure for shadows washes out highlights.

Filters are still necessary.

Noise raises its ugly head.

Variations among cameras.

Chapter 3 Color and RAW.

Good RAW is good color.

Adobe rgb versus srgb.

Color space for the purpose needed.

White balance: a RAWworkflow issue.

White balance in the camera.

Auto white balance.

Preset white balance.

Custom white balance.


Chapter 4 What’s New in Adobe Camera RAW?

Making RAW processing more photographic.

Some changes to the interface.

First tab changes – tonal adjustments.

First tab changes – color adjustments.

Tone curve changes.

Changes to the detail tab.

The new hsl and grayscale tab.

The new split toning tab.


How lightroom affects camera RAW.

Part II Camera RAW Workflow.

Chapter 5 A Quick Look at Camera RAW Tools and Workflow.

Finding your RAW photos.

Bridge capabilities.

Opening camera RAW.

The importance of reset and undo.

Camera RAW in six-part harmony.

Camera RAW toolbar.

Preview options.

The ideal workflow.

Base settings.

How to approach camera RAW.

Monitor calibration.

Chapter 6 Workflow Applied.

What is your photo about?

Auto settings .

Workflow options.

Tonal adjustments.

Color adjustments.

Detail adjustments – sharpening.

Detail adjustments – noise reduction.

Save your work.

Setting up camera RAW for your camera.

Chapter 7 Advanced Tonal Control.

Evaluate the image.

First adjustments – blacks and highlights.

Tone curve adjustments.

Back to basic and clarity.

Back to color.

Refining color.

Sharpening with the detail tab.

Evaluate, and then open or save.

Chapter 8 White Balance Decisions.

A neutral subject is rarely neutral.

Wave tonalities interpreted and more.

Cloud, water, and rocks color.

Dusk light.

Dusk interpreted.

Dusk color revealed.

Aquarium greenery.

Evaluating color.

Key colors.

Critical colors.

Memory colors.


Weak color.

Color interactions.

Creative colors.

Chapter 9 The Noise Problems No One Talks About.

When noise becomes a problem.

Watching for noise.

Reducing noise in camera RAW.

Working to control the noise.

Looking deeper at noise.

Readjusting the image.

Chapter 10 Special Features of Camera RAW.

Special tabs of camera RAW.

Fixing lens problems.

Correcting aberrations.

Vignetting adjustments.

Using the retouch tool.

Using the red eye removal tool.

Influencing color changes.

Batch processing.

Simple batching renaming.

Group processing.

Duplicating processing: saving settings and presets.

Part III Making Camera RAW Work Harder for You.

Chapter 11 Tough Decisions.

Soft colors.

No harsh contrasts.

Adjusting with soft in mind.

Color enhancement.

The detail tab.

Backlit contrast.

Core decisions.

Color enhancement.

Not the normal light.

Color or tonalities first?

Night tone interpretation.

Adjusting for the night.

Crop for evaluation.

Night noise.

Final check.

Chapter 12 Black-and-White Processing.

Camera RAW or photoshop for black-and-white.

Camera RAW does black-and-white right.

How to think black-and-white.

Shooting for black-and-white.

Converting to grayscale.

Optimum use of color sliders.

Using split toning.

Chapter 13 Double Processing for Exposure.

One size may not fit all.

Bright sky, dark ground.

Bringing out the scene.

Processing the bright areas.

Processing the dark areas.

The merging process.

Putting two images into one.

Small area changes.

Process for the main photo.

Process for the detail.

Put them together again.

Double processing for color and tonal range techniques.

Two-shot processing.

Into camera RAW.

Making the photo work.

Chapter 14 Post Camera Raw Processing.

Ansel adams and image processing.

What’s a good image, anyway?

Expressing what you want.

Interpreting an image.


Appendix A: Aalternatives to Camera RAW.

Why use other programs?

Adobe photoshop lightroom or apple aperture versus camera RAW.



Camera-specific RAW converters.

Canon zoombrowser ex and digital photo professional.

Nikon capture.

Olympus studio.

Pentax photo browser/laboratory.

Sigma photo pro.

Sony RAW software.

Independent RAW converters.

Dxo RAW engine.

Phase one capture one.

Photoshop elements.

Pixmantec RAWshooter.

Pro Glossary.


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  • Posted June 4, 2009

    Great book for early version of camera raw!

    I would of given this book a much higher rating if it were much up to date to the current version of camera raw! This is only aimed at earlier versions that came with photoshop cs and photoshop cs2! There are more features to learn about in camera raw 5! If this book would of been more up to date it would have been extremely more useful! Very easy to undrstand and follow! Please Mr. Sheppard UPDATE THIS BOOK!

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