REAL WORLD NIKON CAPTURE NX2 DOWNLOAD FULL

If you want to shoot full color, though, things get a little more complex. This is fine if youвЂ™re interested in black-and-white photography. Rather, all you have is a record of the varying brightness, or luminance, values that have struck the image sensor. However, knowing how much light there is in a particular photosite doesnвЂ™t tell you anything about the color of the resulting pixel. Measuring the varying amounts of light that were focused onto the surface of the sensor (a process called sampling) yields a big batch of numbers, which in turn can be processed into a final image. To interpret the image captured by the sensor, the voltage of each photosite is measured and then converted to a digital value, thus producing a digital representation of the pattern of light that fell on the sensorвЂ™s surface. The photodiode produces an electric charge proportional to the amount of light it receives during an exposure. Each photosite has a diode that is sensitive to light (a photodiode). The surface of the chip is divided into a grid of photosites, one for each pixel in the final image. Just like a piece of film, an image sensor is light sensitive, be it a CCD (charge-coupled device) or CMOS (complementary metal oxide semiconductor ) chip. You canвЂ™t change the image sensor if you donвЂ™t like the quality of its output. One downside to digital photography is that the actual imaging technology is a static, unchangeable part of your camera. The quality of your final image is determined by many factors, from the sophistication of your lens to your (or your light meterвЂ™s) decision as to which shutter speed and aperture size to use. The only detail that makes a camera a digital camera is that the focal plane holds a digital image sensor rather than a piece of film. They both use a lens to focus light through an aperture and a shutter onto a focal plane. How a digital camera seesДЇrom one perspective, thereвЂ™s very little difference between a digital camera and a film camera. Just as film photographers of old had an in-depth understanding of the imaging properties of their films and chemistries, digital photographers can benefit from a deeper knowledge of how their camera works. Packed with everything from light-sensitive imaging chips to custom amplifiers to onboard computers and removable storage technologies, thereвЂ™s a lot going on in even the smallest digital camera. By comparison, your digital camera requires a large number of sophisticated technologies. (The battery and mechanics in your film camera are there just to make photography easier-theyвЂ™re not actually essential.) Despite its simplicity, a piece of film is both an imaging technology and a storage device. Nothing more than a piece of celluloid with a thin layer of chemical emulsion, film works without any power source, and with no mechanical apparatus.

How Your Digital Camera Creates an ImageДЄ piece of film is a remarkably self-contained apparatus. To better understand how raw and JPEG differ, you need to know some of the details of how your camera works. In this section, weвЂ™re going to look at why you might want to make the switch to raw. There are a number of reasons to shoot raw instead of JPEG-in fact, IвЂ™ve shot exclusively raw with my digital cameras for years, because I find the advantages that it provides are worth the few annoyances that raw can introduce to your workflow. In the second half of this chapter, weвЂ™ll get to Capture NXвЂ™s specific raw controls. The concepts presented in this first section are true for any camera that shoots raw, and for any raw conversion software. However, while Capture NX may not be able to handle your non-Nikon raw files, you still might want to read the first few sections of this chapter to get a better understanding of how your camera works and of why you might want to consider shooting raw. Unfortunately, Capture NX does not support raw formats from other cameras, so as mentioned earlier, if youвЂ™re using a non-Nikon camera and are shooting raw, youвЂ™ll have to do your raw conversion elsewhere. In this chapter weвЂ™re going to look at Capture NXвЂ™s raw processing capabilities. If you have a Nikon camera that can shoot raw files, then Capture NX provides you with some important additional tools that will allow you to perform edits on your raw files and to maintain a level of quality, that simply canвЂ™t be achieved when shooting in JPEG or TIFF mode.

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