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Ziv Haparnas's Articles Display Category|Title|Newest|Oldest Your camera CCD sensor size and the number of megapixels The digital cameras megapixels madness is very similar to the personal computer Mhz madness back in the 90s. The number of pixels a camera uses to produce a digital photo is just one element in determining the photo quality. Another important element that is usually forgotten is the sensor size. Here is why. 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. Using a digital camera panoramic photography mode Panoramic digital photos cover a wide angle of view. In its extreme a panoramic photo can cover 360 degrees of view. Such panoramic photos are for example taken from a sky scraper to convey the view it provides. Most new digital cameras provide a panoramic mode that supports such photography. Understanding what the anti dust feature is in digital SLR cameras Digital cameras use a sensor known as CCD in order to convert light energy to pixels. Dust that accumulates on the CCD can result in black pixels or imperfections in the photo as it blocks light energy from hitting parts of the CCD. We will go over a few solutions for eliminating dust on the CCD. Understanding Shutter Delay in Digital Cameras When using a digital camera to take action photos you will notice that there is a delay between the time you press the shutter button to the time the camera actually takes the photo. In most cases this delay is small enough and not noticeable but when taking action photos, for example, it can be a real problem. In this article you will better understand what causes the shutter delay and how you can overcome it. Understanding Red-Eye in photos and how it can be prevented It happens to you all the time you take photos of family or friends just to find out later on that the eyes in the photos have a dominant redness to them. You are not alone red-eye photos are taken everyday by all of us. In this article we will try to understand why red-eye happens and how it can be prevented. 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. Understanding Photo Printing Paper Sizes or What is 4XD? Online printing services are starting to offer digital compatible paper sizes. It is common today to order prints on paper sizes such as 4XD. In this article we will try to explain what does 4XD mean and why the old paper sizes do not work for digital cameras. 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. Turning Your Photos To Cash - How Can Your Photos Make Money For You If you are an amateur or a semi professional photographer then chances are that you can make some money out of your photos. In this article you will get tips on how to turn your photos to cash. This article is for you only if you’re looking to turn your photos into some extra cash on top of your main income source. This is not for you if you are looking to live off your photos this is not for you. Turn Your Old Photo Paper Prints into Modern Digital Format Albums Although digital cameras have been around for a few years and are becoming more and more popular many of us still have a large number of older film camera paper prints, slides and negatives. Most people keep their paper prints and negatives at their homes and only use digital formats for new photos they shoot with their new digital cameras. In this article we will discuss converting your old paper prints into digital format. Tripods - How to Avoid Blurry Photos The most common way to take a photo is with the camera held in your hand. In some scenes this method can result in poor photos. One reason is that our hand is unstable and tends to move. For photos taken in high shutter speeds this is not a problem. Photos taken in low shutter speeds however can look blurred due to this movement. In this article you will learn how to avoid such poor photos by using a tripod. Travel Tips – Taking Your Camera on a Vacation With You Don’t you like going through your vacations photos? We all take pictures when we go on a vacation. It is a great way to perpetuate the experience and remember it for years to come. However sometimes taking pictures is not smooth. Unexpected problems pop up such as running out of film, running out of battery or just forgetting the camera in the hotel. In this article we will provide a few easy to follow tips that will help you in carrying your camera and taking pictures. Tips for Taking Great Lightning Photos Lightning photos are very dramatic. The contrast between the night darkness and the lightning brightness results in very powerful photos. In this article we will provide you with a few tips and guidelines for successfully taking lightning photos. 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. Tips for saving money on your online photo prints Taking photos with your digital camera and viewing them on your computer screen is fun. Sometimes you’d like to make hardcopies of your photos. One of the easiest ways to print your photos is by using an online photo printing service. In this article we will give you some tips for saving money when using such services. Tips for buying your digital camera So you have decided to get a new digital camera? or maybe it is your first one? Like many other consumer electronic devices digital cameras change all the time. For the same amount of money you can get more and more features: mega pixels, storage space, zoom and more. In this article we will give you a few practical tips for what to look for and how to best pick your camera. The EXIF format in a nutshell You might have heard the acronym EXIF in conjunction with digital cameras. EXIF allows for additional information such as shutter speed, aperture and resolution to be associated with a photo file. EXIF ensures that cameras can document such information while other software can read and use it. Here is how. The difference between film and digital photography The debate “film vs. digital” is going on while digital cameras become more and more pervasive. Everybody has an opinion and usually a passionate one. Though there is no one definitive right answer there are differences between film and digital that can be better understood and there is also a practical fact – digital is taking over. This article will provide a few facts about the differences between the two. The Difference Between DPI and PPI Most people heard the term DPI. In most cases the term is used in the wrong context to express the number of pixels in a photo, the number of dots in a print or the maximum dots per inch a printer can output. A relatively new term PPI was introduced in order to resolve this wrong usage of the term DPI. In this article we will try to explain in simple words what is DPI and what is PPI and should each be used. The biggest power consumers in digital cameras Like other portable electronic devices digital cameras rely on batteries to power up their electronics and mechanical elements. Although battery technologies have improved a lot in the last few years they are still very limited in their energy capacity. The advantages of digital photos and digital cameras There is no debate that digital cameras are going to take over the photography market and with time we will see less and less film cameras sold and used. It is beneficial to take a moment and try to list the advantages of digital cameras and digital photos and put some order in why everybody likes them so much. In this article you will find that list. Taking Portrait Photos with Blurry Background and Understanding Depth of Field We have all seen beautiful photos where the object is perfectly focused while the background is blurred. Such a photo can be very dramatic and might seem to be hard to shoot. In this article we will give you a few tips on how to easily take blurry background photos that will impress your friends and family. You will also better understand what Depth of Field is and how to control it. 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. Still digital camera image stabilizers - keep your images sharp Taking stable and sharp photos is hard in some situations. For example when taking a photo using high zoom lenses even the tiniest camera movement will result in a blurry photo. The reason for that blurriness is that while the shutter is open and the photo is being captured the camera moves and the image on the sensor also moves losing its sharpness. Image stabilizers help in solving the problem, here is how. Smart usage can extend digital cameras battery life Digital cameras are powered by batteries and are limited in the number of digital photos that can be taken between either replacing or recharging the batteries. If you are planning for a long digital photo shooting session or are traveling learning some habits that can save on power will help you conserve energy and squeeze more digital photos from your batteries. 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. Sharing your photos – using sharing sites and email The photos we take are all about experiences - photos from our last trip, photos of friends and family and of places we visited. We also want to share those photos with our family and close friends and by that to share our experiences. In this article we will go over a few options for doing just that. 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. 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. 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. Scanning paper prints to digital photos on your hard disk Sometimes you find yourself in a situation when you have to scan paper prints, negatives or slides and store them as digital photos on your computer. Although the reason for doing that can vary there are some common considerations to scanning paper prints. In this article we will go over some of them and try to make your scanning experience easier. Pros and Cons of Battery Technologies Used in Cameras – Choose the Right One for You Like other portable consumer electronic devices digital cameras use batteries as their power source. In this article we will describe different battery technologies and their cons and pros. Armed with this knowledge you will be able to take into consideration the battery used when purchasing your next camera. 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. Printing your photos at home – useful tips and hints for best quality Digital photography revolutionized the way in which we take, view and share photos and also the way in which we print them. Many digital photos never get printed but there are still many of us who prefer tangible paper prints. Photos can be printed using a professional service (in-store or online) or at home. In this article we will give you tips for getting quality prints at home. 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. PNG is replacing GIF files for digital graphic storage GIF is one of the oldest file formats used for graphics and digital photos storage. GIF has many technical advantages but it also has one big business disadvantage. GIF uses LZW compression which is tangled with patents and licensing issues. The free creation and usage of GIF files was always in debate. Pixel color depth or bits per pixel in digital photos Digital photos are built of many pixels. Each pixel has a unique value which represents its color. When you are looking at a digital photo your eyes and brain merge these pixels into one continuous digital photo. Each pixel has a color value that is one out of a finite number of possible colors – this number is known as color depth. Picking up a digital camera gift So you have decided to buy a digital camera for someone. Digital cameras are hot gift items. They are also high tech devices with many features and options. This article will try to help you pick up the right digital camera by understanding the considerations when buying one. 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. 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. Orientation sensors in digital cameras Cameras can be held in two positions: horizontal or vertical (also knows as landscape and portrait). Photos taken in the vertical position are later on rotated 90 degrees (either clockwise or counter clockwise). Rotating the photos can be automated if your camera sports an orientation sensor. Optical or Digital Zoom? The Choice is Clear Many of us do not know the difference between optical and digital zoom. We will try to explain the difference as using the right zoom feature is important for achieving the best photo quality. Optical vs. Digital zoom becomes more confusing as manufacturers are sometimes not clear when advertising their camera zoon figures. 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. Methods for photo backups So you have finally decided to backup those precious photos? There are a few ways to backup photos. In this article we will explain how you can backup your photos either yourself at home or by using an online backup service. Methods for focusing your digital camera on moving objects Focusing is an important part of shooting a good photo alongside with composition and lighting. Focusing on static objects is relatively easy either by manually focusing or by using the camera auto focus feature. Focusing is much harder when the objects are constantly moving. 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. How to take better portrait photos Portrait photos are very impressive. A good portrait can project so much emotions and feelings and captivate the viewer. Taking high quality portrait photos is an art that takes time to master. This article will give you a few guidelines that can help you achieve high quality portrait photos in a short time and without being a professional photographer. 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. How to choose a camera with the right number of Mega Pixels? The race for mega pixels has started and there is no way to stop it. Every few months cameras with more pixels hit the market. The manufacturers want you to dump your old camera and buy the newest and greatest one after all aren’t 10 mega pixels better than just 8? Apparently the answer is not that simple. How Much Does A Camera Really Cost? Make Sure You Budget Right Before Buying A New Camera Digital cameras are not different than other consumer electronic products. The cost of ownership is not limited to the sum paid to purchase the camera. In most cases consumers find themselves spending more money on accessories and other additional products. Failing to budget for those extra expenses can result in buying a camera just to find out it is not operable without spending more. How Many Pixels Make A Good Print? Ever wondered how big you r enlarge your photos? ever wondered if your camera picture are good enough for a 20X30 poster? or maybe a 11X14? Read our easy to use guidelines to find out how big your print can be based on your camera megapixels. How Does the Camera Auto Focus Work and Why Sometimes It Fails? All of us use it every time we click on the shutter button. Now understand how the auto focus works under the hood and why in many cases it just does not work. 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. Getting more battery time from your digital camera battery Like other portable consumer electronic devices digital cameras use batteries as their power source. All batteries have one major drawback: they only last for a limited time. In this article we will explain what camera features consume the most energy and how you can squeeze more life time out of your digital camera battery. Get More Money On eBay By Taking Good Photos Of Your Item A picture is worth a thousand words. When selling items online on auction sites such as eBay this saying becomes more relevant. A picture is worth money and a lot of money. A good set of pictures can make the difference between an item that is sold and an item that is not sold. It can also make a big difference in the highest bid price received for an item. This article provides a few rules to follow in order to take better photos of such items. Facts about flash units and taking photos using a flash For most of us firing the flash is something that happens in the background and that does not require our attention.. Flash photography was not always so easy to use. Flash is useful in many situations for example when taking photos in dark scenes or when getting rid of shades in fill in mode. It is beneficial to know some facts about flash usage and how it works. 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. Effective use of Flash Photography Did you ever put your flash unit in manual mode? Did you ever manually turn on the flash when taking a day time outdoor photo? For many the answer to both questions is “no”. In this article we will cover the various types of flash units available, the different scenarios under which they can be used, the advantages of using flash to achieve better photos and the common mistakes people do when using flash photography. 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. Do I need an 8MP digital camera? If you are on the market for a new digital camera then there is a good chance that you are asking yourself that exact question. Maybe the number of megapixels that you are considering is different. Do you really need a 16MP digital camera? 8MP? 6MP? This article tries to help you answering this question. 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. 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. Digital photo frames and what to look for when buying one Digital photo frames are new products that replace old paper photo frames in displaying your photos on a desk, on a shelf or on a wall. This article explains what digital frames are, how you can use them and what you should look for when buying one. Digital Noise - What Is It? What Causes It? And How Can I Get Rid Of It? Digital noise appears as random pixels on the photo that do not seem to belong. Although digital noise is not a problem for most photographers and is mostly evident in extreme scenarios such as night photography it is beneficial for every photographer to understand what digital noise is and how it can be avoided and removed should it appear on one of his or her photos. 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. Digital camera modes – shutter aperture priority and more Digital cameras can be put in different photo shooting modes. The most used mode is automatic – the only thing you need to do is point and shoot. However understanding and using the other options will allow you to get better photos in certain scenarios. Here is how. 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. 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. 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. 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. 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. 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. 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. Are film cameras better than digital cameras? Film cameras are becoming rare. Although digital cameras have come a long way since they were first introduced there are still photographers that prefer to use old film cameras. Some of them use film exclusively while others prefer film for specific scenarios. A holistic approach to buying a new digital camera Many buy a new camera based on just a few parameters like purchase price and megapixels. This is unfortunate as there is much more to a new digital camera buying decision. This article will describe a holistic approach to that decision. 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.	Authors Sign Up for a free account. Submit your articles. Publishers Category RSS feeds. Resources Downloadable Audio Books Recommended Resources

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