Jacob Georgeson's Articles in Photography

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Understanding pixelization in digital photos and photo prints Pixelization is defined as noticeable square pixels that can be seen in photos that are displayed on a computer screen or printed on paper. Without pixelization when you look at a photo you see continuous areas of different colors and intensities. Here is why it happens. Taking digital photos for online and printed product catalogs Whether you are planning to build an online product catalog or a printed version including rich digital photos will enhance it and will increase potential sales. When building a catalog photos are a powerful tool that you must use. Here are a few tips for taking digital photos that will bring justice to your products and will help increasing sales. Printing on Matte or Glossy digital photo printing paper When printing digital photos you have a choice between matte and glossy photo prints. Glossy photo prints have a shiny finish while matte ones have a more subtle neutral one. So which one should you choose? There is no right answer – there are pros and cons to both. Compressed digital photo file formats – storing digital photos Digital photos are stored as files on memory cards and computer hard disks. They can be stored in different file formats (each format has a unique file extension). Most of the formats are compressed to save space and each has its own pros and cons. Lossless and lossy digital photo file compression Digital photos are stored as digital files on electronic media. Digital photos are comprised of pixels each one with a unique color and intensity. While digital photos do not have to be compressed in most cases they are. Compression serves one goal make files smaller and save storage space. What is a digital photo JPEG file? Digital photos are stored as files on memory cards and computer hard disks. They can be stored in different file formats (each format has a unique file extension). Digital photo files can be compressed to save storage space and can use a standard or a proprietary format. Digital photo pixel color formats RGB CMYK and HSV Digital photos are built of pixels. When you look at a digital photo on a computer screen or on a printed version of the photo you are really looking at millions of pixels each with a unique color and intensity. When put together all these pixels form the photo that you see. There are a few formats used to represent a pixel color – here are the common ones. Auto and manual focus modes in digital cameras One of the important phases of shooting a good photo is focusing on the photo’s objects. Photos that are out of focus look bad and blurry. Sometimes shooting out of focus objects is done on purpose as an artistic effect but in most cases a sharp focused object is the photographer goal. Continuous focus mode used for shooting digital photos of moving objects It is harder to shoot good digital photos of moving objects than of still objects. When objects are still you have all the time that you need to focus on the object and set the other camera parameters like shutter speed and aperture. This time shortens as the objects in the frame move faster and faster. A digital photo shooting session of airplanes in an air show A few weeks ago I went with my friends to see an air show. The schedule was packed with acrobatics and many types of planes. The highlight of the show was the blue angles with their jets doing dangerous routines. I took my camera hoping to capture some good digital memories of that show. How to shoot sharp digital photos without a tripod Tripods are used when you need a steady platform to take a digital photo. In some scenarios not using a tripod will result in a blurry digital photo with its objects either blurred or simply out of focus. However there are times when you will find yourself in a situation that a tripod is needed but you do not have one with you to use. Here are some alternatives to using a tripod when one is not available. Creating a digital photo inventory of your house or office There are many reasons to keep an updated and complete inventory of your home or office. One reason is for easier insurance claims in cases of disaster, burglary, lost or other damages. This article will give you some tips for effectively creating and keeping such inventory. Taking great digital photos of your home There are many reasons why you would like to photograph your home. No matter what the reason is there are a few simple tips you can follow in order to get better quality home photos that look like photos taken by professional photographers. This article lists few such tips. Avoiding pitfalls when taking high quality digital photos With today’s sophisticated digital cameras it is relatively easy to take good digital photos. This is especially true if you are using s point and shoot digital pocket camera. However even with such a camera you can follow some tips that will result in better higher quality digital photos. These tips become much more important when using high end SLR cameras in manual mode. Making some extra money with your digital photos Are you an amateur photographer? Do you enjoy taking digital photos? Do you have good quality digital photos to share with others? You can do that and also make some extra money from it. This article will show you how you can enjoy sharing your photography work and also get some cash at the same time. Basic understanding of your digital camera flash Many of us do not think twice about the usage of our digital camera’s flash assuming that the camera will use the flash automatically as needed. Flash however can and should be manually set in many scenarios resulting in high quality digital photos. Professionals take many digital photos to get that perfect one Professional photographers take a large number of photos. They know that by doing so they will most likely find that perfect one they were aiming for. Digital cameras make such a technique available to all of us. Sensor size and Depth of field in film and digital cameras Depth of field is defined as the range in which the photo is in focus. Achieving a specific depth of field is a useful photography technique used for example to achieve a blurry background effect. Film and digital cameras have different optical attributes as a result of using different sensor sizes. For that reason depth of field is also different in film and digital cameras. More things to do with your digital photos Digital cameras have changed the way we take and use photos. With tradition film cameras you usually ended up printing photos and sorting them into photo albums. With digital cameras however the number of possible usages for digital photos is enormous. Giving a digital facelift to your old paper prints? Although it seems that digital cameras have been around forever – they are relatively a new product. For years we used film cameras and as a result most of us accumulated many paper prints made from such film. We can keep those paper prints albums as is or find ways to upgrade them into the new digital era. A common photography problem: out of focus digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: blurry digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: underexposed digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: overexposed digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: red eyed objects in digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: dark silhouettes in digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. A common photography problem: Shaded objects in digital photos Digital cameras are becoming more and more sophisticated. On one hand they allow high quality automatic point and shoot. On the other hand they allow full manual control of their settings. Regardless of the mode you use there are some scenes that require special care. Without such care your digital photos will be of poor quality regardless of how sophisticated and automatic your camera is. Some macro digital photography basics Macro photography is underused by many amateur photographers. Professional photographer use macro photography to take extremely high quality macro photos that impress their viewers. Here are some facts about such macro digital photos. Time lapse still digital photography technique Time lapse photography is a technique that allows to quickly and visually convey processes that take a long time in real life. For example time lapse photography can shrink to 10 seconds the complete process of building a new bridge. Although usually used in videos time lapse can also be used in still digital photography. Digital camera flash units Digital cameras flash units come in many shapes and sizes. Low end digital cameras include low energy built in flash units. High end digital SLR cameras can support sophisticated external flash units which can provide superior lighting in difficult scenarios. Here are some basic facts about flash units both built in and external. How does a digital camera passive auto focus work In focus objects in a digital photo is a very basic requirement for high quality photography. There are two different ways to focus on such objects: manual or automatic. There are a few automatic focus methods one of them is known as passive auto focus. How does a digital camera active auto focus work In focus objects in a digital photo is a very basic requirement for high quality photography. There are two different ways to focus on such objects: manual or automatic. There are a few automatic focus methods one of them is known as active auto focus. Can I make money out of my digital photos? Many ask this question. The answer is that most likely you can – but the amount of money you can make varies a lot and it depends on the uniqueness of your photos, their quality and your selling abilities. Here are a few hints and concepts when it comes to making money from your photos. Scenes that will fail your digital camera auto focus Digital cameras include sophisticated mechanisms that can automatically figure out the perfect focus for the scene that you are photographing. However even the most sophisticated digital camera can be fooled by scenes that are hard to focus on. Here are a few such scenes and explanations. Candlelight photography – candles in photos basic concepts Candles are a unique light source. Using candlelight to light a scene can result in breathtaking photos. Candlelight temperature is different than flash, daylight or regular bulb light. Using candlelight is hard and requires experience. This article will provide you some basic ideas to start experimenting with. Why should I care about my digital camera CCD sensor size? Everybody knows to check how many mega pixels their new camera has. Although more mega pixels does not necessarily mean better photos most people understand why mega pixels are important. One characteristic of digital cameras that many ignore is the sensor size. When digital print enlargements are considered Digital photos can be viewed on computer screens or printed on paper. Most of the time you are most likely to print on standard paper sizes like 4X6 or 5X7. Every now and then however you might want to make enlargements of some photos that you specially care about. Print enlargements quality depends on your digital camera mega pixels figure, here is how. Taking good digital photos of people faces Taking a really good digital photo of someone face can be very impressive. Accomplishing such high quality with face photos is hard. There are many things to consider such as shooting angle, lighting conditions, flash usage and background handling. Here are some tips and ideas to help you achieve better face photos. Do not throw away your old photo paper prints Many people still have large number of old fashion photo paper prints in their homes. Even if you threw away your old film camera and you are exclusively using digital there is a good chance that you still have many photos that are important to you in paper prints format. It is a good idea to upgrade those prints to the new digital format – here is how, Portrait photos photography tips A large portion of everybody’s photos collection includes photos of people. There is no argument that high quality people portrait photos are impressive projecting emotions and feelings and capturing the object’s character forever. This article will provide you with tips for achieving such high quality portrait photos. Those JPEG files – what are they? Digital photos are computer files. They are stored either on the camera memory or on a computer hard disk. Like any other computer file digital photos are saved in well known formats. One of those standard formats is known as JPEG. Here is some useful information on JPEG files. Seven common mistakes when taking digital photos You have probably taken photos before just to find out later that they did not come out as expected. Although digital cameras are getting smarter there are still a lot of decisions that the photographer has to make. There are also many mistakes that the photographer can make. Here are seven common ones. Tips for scanning paper photo prints Scanning paper photo prints is rare but sometimes you will need to do just that. Scanning is a process in which paper photo prints are converted to digital photo files. There are a few things to know and a few tips to follow when scanning such paper photo prints. This article lists the important ones. Digital cameras responsiveness and photo shooting delays Digital cameras have many advantages but they also have some disadvantages and response time is one of them. There are three response times that you should care about: the delay between pressing down the shutter button and shooting a photo, the delay between turning on the camera and shooting a photo and the delay between shooting a photo and shooting a subsequent one. This article explains the causes for these delays and suggests ways to overcome them. Do more with digital photos than just digital photo printing When digital cameras were first introduced they were used mostly as digital replacement to film cameras. Users would shoot photos, print them and archive them in photo albums. As users became more sophisticated new ways to use digital photos were found. Here are a few. Selling products online with the help of digital photos The old saying “a picture is worth a thousand words” was never more true. In the digital photography era photos can be used in more types of media than they could have before. Not limited to paper prints they can be used on web sites, in emails, in cellular phones, projected in presentations and more. When selling products online photos are a powerful tool that you must use. Here is how. Shooting photos in Aperture priority mode Digital cameras support many photo shooting modes - from automatic point and shoot to manual where the camera does nothing for you. One of those modes is Aperture Priority. Aperture priority is useful in many situations and deserves a short explanation of what it is and how to use it. Digital photo printing paper sizes – 4XD 5XD and others When you print digital photos on traditional paper sizes photos are either cropped or areas of the paper are left blank. The reason is that tradition paper sizes were designed for film and have different aspect ratio than digital photos. Digital paper sizes solve this problem and are offered by many – here is how. Photos that capture moving objects motion Still photography freezes a scene. A photo is still in nature but sometimes you would like to convey a feeling of motion to the viewer. For example when taking a photo of a moving car or a runner. There are techniques that can help you achieve that – here is how. Exposure value (EV) and exposure compensation Exposure is defined as how much light hits the camera’s sensor. It depends on the camera settings mainly aperture and shutter speed. Exposure value (known as EV) is a number that represents the exposure setting of the camera. We will explain what the number means and how it is used for exposure compensation. Understanding and using auto bracketing When you shoot a photo you need to set the camera to the values that would result in the photo you want to get. However sometimes it is hard to find those settings or there is just not enough time to figure out what they are – auto bracketing can help – here is how. Photo printing made easier with DPOF There are many ways to print photos. For example you could download the photos to your computer choose the ones you like burn them on a CD and take them to a printing service. DPOF makes such photo printing easier – here is how.

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