Our love of digital cameras seems to be because the results are instant as film is no longer required to be processed. Unlike the conventional camera, it does not rely on mechanical and chemical processes. As the captured pictures are stored in digital form, almost every computer and other electronic viewing and printing device can read them too. Captured images are stored as bytes or binary information; ones and zeros to most people and are referred to as pixels.
Just like conventional cameras, this type is furnished with a series of lenses that focus the light and creates the image that you want to capture. Using an electronic system, a lower specification digital camera does away with film although it is still capturing the light as with a traditional camera. If you are using a more expensive type, the system used there is a CCD sensor. Less expensive cameras us a complementary metal oxide semi-conductor or CMS device which does the same work of capturing an image and although some believe it could replace the CCD, this is not likely.
The price has been depreciating recently and one of the main reasons for this is the introduction of CMOS image sensors; because CMOS sensors are less expensive and are easier to manufacture than CCD sensors. The digital camera converts the light it receives like millions of minute solar cells and both the CCD and CMOS end up storing an image but just using a different method to do it. Shopping for one of these types of camera can be daunting but a few tips can make all the difference. Other than budget, your main concern should be resolution and what that means is the higher the resolution or megapixels you can afford the better the pictures will be; they can also provide prints that are larger without any degradation.
Where you have a choice, optical zooms on digital cameras are better than digital ones – always; perhaps you can remember how grainy and blurred images become when you used your camcorder's digital zoom function? Today's nickel metal hydride rechargeable batteries are very powerful and last for around a 1,000 charges so always use these if you want to save money. If you want to do more than just take snap shots, look for a model that is high on functionality to create stunning photos you can be proud of; just a few examples of functions to look for are shown here:
*Sepia shots *Multiple exposures (on a single image) *Self timer
High resolution cameras require more space to store images so you will probably need an additional storage card. Storage space is much larger now than it used to be but the megapixels have risen as well so aim for as much memory as you can afford, it will be worth it but consider 1GB as a minimum.
Many people fall in love with a particular camera but don't ever consider how easy it will be to carry around with them so try not to make this mistake. These smaller models are very discreet and don't make you feel as if you are on a photographic safari but you can still take professional looking pictures. By using this information you shouldn't go to far wrong when you go to buy your camera. With their range of features and ease of use, digital cameras are the future of still image photography.
About the Author
Francisco Segura owns and operates http://hdtvtelevisionchoice.com/27-hd-tv.html 27 Hd Tv
Wednesday, May 7, 2008
Monday, May 5, 2008
Old Fashioned High Resolution Photo Camera
By Roberto Sedycias | Published 02/12/2007 | Photography | Unrated
Roberto Sedycias
Roberto Sedycias works as IT consultant for http://www.polomercantil.com.br
http://www.e-topic.com/authors/91/Roberto-Sedycias
View all articles by Roberto Sedycias Tired of trying to keep updated with the highest mega pixel resolution digital camera? Well even if one has tried to do that, most certainly he will soon find out that his few months old digital camera is outdated in terms of mega pixel resolution. It’s an ever changing kind of product that has become very hard to keep updated, unless one is willing to spend more money by making purchases every six to twelve months.
If the main intention of purchasing a photo camera is enlarging the image, then mega pixel resolution indeed will become the main factor. In this case one might consider a different option, which will keep his product updated for years to come. I’m talking about a used 4x5\" film photo camera, together with a high resolution flat bed film scanner. All of this for less than one thousand US dollars. With all of this, one will get over 100 mega pixels in fine detailed film resolution and fine scanned digital images that can be enlarged up to 30x40\" in size with professional quality. These 4x5\" film cameras have done a remarkable job in general personal and commercial photography such as wedding, portraiture, product, documentary, advertising and landscape for nearly a hundred years.
Where to find 4x5\" used film cameras? Since some of these cameras were mostly used in the past, until the 1960’s, it should be no problem in finding them in American auction web sites. Anyway, a good used 4x5\" camera with lens can be found for less than four hundred US dollars.
As for the flat bed film scanner, one can find brand new ones for less than five hundred US dollars. Just make sure the scanner is able to scan films.
Whenever purchasing a 4x5\" film camera, one should look for the following features: folds into a compact box, flexible bellows, lenses that can be easily interchanged, accepts sheet film, ground glass focusing screen, easily handheld and optical viewfinder accessory.
As for the lenses, there are four main categories: 1 - general purposes; 2 - wide field (mostly used for close up work and landscape); 3 – extreme wide angles lenses; 4 – special effects lenses (telephoto). However, one might use a general purpose 127 or 152mm lens for most of his photograph sessions. In cases where it requires special lenses, such as architecture or macro photography, one will still find lots of them available in auction sites. Used lenses for 4x5” cameras made after world word II have excellent performances comparable to today’s modern lenses.
Whenever making a purchase of a 4x5\" camera make sure that: 1 - the bellows have no light leaks, 2 – the lens shutter works accurate at all speeds; 4 – the lens elements have no fungus and scratches of any kind; 4 – the focus is working properly between the ground glass and the film.
The option of using a 4x5\" film camera, together with a flat bed film scanner, for enlarging images with professional quality is viable and accessible. Cheaper than top digital cameras, the 4x5\" film camera offers better image quality and will always be updated in the future, maintaining its original value.
For those who wishes the very most detailed image enlargement, one can always use the 8x10\" film camera. Four times the physical film size of the 4x5\", this option offers so much film resolution that it is considered by many as the ultimate step for photo image enlargement.
Sometimes analog products deliver better results that its digital counterparts. If you are doing the job of enlarging photo images, you should give it a try with a 4x5\" camera. You might just surprise yourself.
Roberto Sedycias
IT Consultant
This article is under GNU FDL license and can be distributed without any previous authorization from the author. However the author´s name and all the URL´s (links) mentioned in the article and biography must be kept.
Roberto Sedycias
Roberto Sedycias works as IT consultant for http://www.polomercantil.com.br
http://www.e-topic.com/authors/91/Roberto-Sedycias
View all articles by Roberto Sedycias Tired of trying to keep updated with the highest mega pixel resolution digital camera? Well even if one has tried to do that, most certainly he will soon find out that his few months old digital camera is outdated in terms of mega pixel resolution. It’s an ever changing kind of product that has become very hard to keep updated, unless one is willing to spend more money by making purchases every six to twelve months.
If the main intention of purchasing a photo camera is enlarging the image, then mega pixel resolution indeed will become the main factor. In this case one might consider a different option, which will keep his product updated for years to come. I’m talking about a used 4x5\" film photo camera, together with a high resolution flat bed film scanner. All of this for less than one thousand US dollars. With all of this, one will get over 100 mega pixels in fine detailed film resolution and fine scanned digital images that can be enlarged up to 30x40\" in size with professional quality. These 4x5\" film cameras have done a remarkable job in general personal and commercial photography such as wedding, portraiture, product, documentary, advertising and landscape for nearly a hundred years.
Where to find 4x5\" used film cameras? Since some of these cameras were mostly used in the past, until the 1960’s, it should be no problem in finding them in American auction web sites. Anyway, a good used 4x5\" camera with lens can be found for less than four hundred US dollars.
As for the flat bed film scanner, one can find brand new ones for less than five hundred US dollars. Just make sure the scanner is able to scan films.
Whenever purchasing a 4x5\" film camera, one should look for the following features: folds into a compact box, flexible bellows, lenses that can be easily interchanged, accepts sheet film, ground glass focusing screen, easily handheld and optical viewfinder accessory.
As for the lenses, there are four main categories: 1 - general purposes; 2 - wide field (mostly used for close up work and landscape); 3 – extreme wide angles lenses; 4 – special effects lenses (telephoto). However, one might use a general purpose 127 or 152mm lens for most of his photograph sessions. In cases where it requires special lenses, such as architecture or macro photography, one will still find lots of them available in auction sites. Used lenses for 4x5” cameras made after world word II have excellent performances comparable to today’s modern lenses.
Whenever making a purchase of a 4x5\" camera make sure that: 1 - the bellows have no light leaks, 2 – the lens shutter works accurate at all speeds; 4 – the lens elements have no fungus and scratches of any kind; 4 – the focus is working properly between the ground glass and the film.
The option of using a 4x5\" film camera, together with a flat bed film scanner, for enlarging images with professional quality is viable and accessible. Cheaper than top digital cameras, the 4x5\" film camera offers better image quality and will always be updated in the future, maintaining its original value.
For those who wishes the very most detailed image enlargement, one can always use the 8x10\" film camera. Four times the physical film size of the 4x5\", this option offers so much film resolution that it is considered by many as the ultimate step for photo image enlargement.
Sometimes analog products deliver better results that its digital counterparts. If you are doing the job of enlarging photo images, you should give it a try with a 4x5\" camera. You might just surprise yourself.
Roberto Sedycias
IT Consultant
This article is under GNU FDL license and can be distributed without any previous authorization from the author. However the author´s name and all the URL´s (links) mentioned in the article and biography must be kept.
Sunday, May 4, 2008
Learn Digital Photography...Great Digital Photography Info
Learn Digital Photography...Great Digital Photography Info
29th March 2008
Author: Dan Feildman
Wedding photography is also concerned with the portrait photography for a bride. Most brides will have an individual portrait of them in their bridal dress taken to be displayed at the wedding and later at the bride's home. If an entire package is bought, from engagement photos to reception photos, a bridal portrait is included. For many families of the bride, this portrait alone is one that they have dreamed of ever since the woman was a little girl. To capture this vision is very important and needs to be handled with great care and concern. The wedding photography business is a hot and lucrative occupation to be in. If attention to detail is given, a photographer can become well known and make a very good income by capturing intimate moments of a new relationship just beginning. Even though a photographer is behind the lens, the action they see will be caught for lifetimes to enjoy.Which is better, the photography studio or location photography? This depends on what is types of pictures are desired. A studio may have more equipment such as lights that can enhance the pictures better. The location will more than likely not be able to accommodate all the equipment a photographer wants, but the area may be all that is needed for the perfect picture. The client and the photographer will have to make that choice together.Depending on what is needed, the choice can seem overwhelming. One photography site that can help determine just what is right is Shortcourses. This site helps the consumer decide from the four major types of cameras as to which one fits their lifestyle. Digital photography is a great way to capture the images of an individual that will be seen for generations to come. By using digital photography instead of regular film, those memories will be perfect the first time. The choices of cameras are endless, and with the help of the internet, a person can make sure and choose the right camera that best fits their lifestyle and price range.When you are selecting a digital camera for your use you might want to know more aobut items like the lens and the battery. A glass lens is preferable to a plastic lens. Do not skimp on the lens. It is best to choose an optical zoom lens over digital zoom. Many lower cost cameras do not have optical zoom lenses. Optical zoom is essential for better quality pictures. Optical zoom actually moves the lens to capture the image, while digital zoom captures fewer pixels and magnifies the captured image. Pictures taken with digital zoom are often blurry and look digitized. If you treasure your battery life, you can turn off LCD display on your digital camera. One of the most power-consumed parts in a camera is LCD display. In order to obtain clear display, LCD background illumination consumes power heavily (You can turn off the LCD display to save the power). For general Alkaline Battery or Ni-CD/Ni-MH battery, the power can last for around an hour (with LCD on) whereas for camera Lithium battery, it can last longer. In addition to LCD display, CCD (Charge Coupled Devices) also consumed lot of power. For those models that use LCD display as view finders, in order to drive CCD continuously, the power loading is heavy. Sometimes, the power of four dry batteries can only last for less than 30 minutes. Therefore, take a check of whether rechargeable batteries or charger are included in your camera package or whether other relevant charging information is mentionedWhen you are selecting a present for your child, they might want a digital camera. You should go for small but not horribaly out of focus. The details on the camera should be able to pick up basic things. Even if your kid is aspiring to be a proffesionall photographer you should worry about the price. While buying a digital camera for your child, it is understandable that you really do not want to spend a lot of money. There are lots of choices available in the market today. The price range starts from as low as $30 and can go up to $300. So, it really depends on how much you would like to spend on the camera. Start simple and upgrade if they grow out of the digital camera that you buy for them. Hey share them with the whole family!There are times, however, when you will want to take control of your camera's settings to get an even better picture. Here are some tips to help you consistently: Minimize camera movements - If you know you'll be in a situation where you'll have to shoot under low light conditions with a slow shutter speed, use a tripod. You can also use a tripod on a sunny day to minimize camera moment to allow you to shoot with a small aperture and a slower shutter speed for greater depth of field. Most professional nature and landscape photos you see were done with a tripod. Follow your object - If you're shooting a moving object, try planting your feet solidly and bracing your arms tightly against your sides, and follow the moving object by turning your body. This can keep your subject in focus, although your background will be blurred.For photographing fireworks in the sky or at any reasonable distance, switch it off! All flash will do is illuminate any smoke or dust in front of the camera and spoil the picture. But if you are photographing people close by with, for example, sparklers or torches, you can get some exciting effects by combining flash illumination and a slow shutter speed (above). The flash illuminates people and freezes the scene but the long (slow sync) shutter speed lets bright moving objects, like sparklers, leave long trails. Look for settings like slow-sync flash or use a slow manual shutter speed - say, between 1/4 and a whole second, with the flash on. And finally, Take as many shots as you can. Fireworks don't demand highest resolution camera settings so you can use a lower resolution setting to get more shots out of your memory card.Looking into digital photography, ever want to start Learning Digital Photography? Find some great tips on how to take digital photographs with This Free Report
This article is free for republishingSource: http://www.articlealley.com/article_500541_45.html
29th March 2008
Author: Dan Feildman
Wedding photography is also concerned with the portrait photography for a bride. Most brides will have an individual portrait of them in their bridal dress taken to be displayed at the wedding and later at the bride's home. If an entire package is bought, from engagement photos to reception photos, a bridal portrait is included. For many families of the bride, this portrait alone is one that they have dreamed of ever since the woman was a little girl. To capture this vision is very important and needs to be handled with great care and concern. The wedding photography business is a hot and lucrative occupation to be in. If attention to detail is given, a photographer can become well known and make a very good income by capturing intimate moments of a new relationship just beginning. Even though a photographer is behind the lens, the action they see will be caught for lifetimes to enjoy.Which is better, the photography studio or location photography? This depends on what is types of pictures are desired. A studio may have more equipment such as lights that can enhance the pictures better. The location will more than likely not be able to accommodate all the equipment a photographer wants, but the area may be all that is needed for the perfect picture. The client and the photographer will have to make that choice together.Depending on what is needed, the choice can seem overwhelming. One photography site that can help determine just what is right is Shortcourses. This site helps the consumer decide from the four major types of cameras as to which one fits their lifestyle. Digital photography is a great way to capture the images of an individual that will be seen for generations to come. By using digital photography instead of regular film, those memories will be perfect the first time. The choices of cameras are endless, and with the help of the internet, a person can make sure and choose the right camera that best fits their lifestyle and price range.When you are selecting a digital camera for your use you might want to know more aobut items like the lens and the battery. A glass lens is preferable to a plastic lens. Do not skimp on the lens. It is best to choose an optical zoom lens over digital zoom. Many lower cost cameras do not have optical zoom lenses. Optical zoom is essential for better quality pictures. Optical zoom actually moves the lens to capture the image, while digital zoom captures fewer pixels and magnifies the captured image. Pictures taken with digital zoom are often blurry and look digitized. If you treasure your battery life, you can turn off LCD display on your digital camera. One of the most power-consumed parts in a camera is LCD display. In order to obtain clear display, LCD background illumination consumes power heavily (You can turn off the LCD display to save the power). For general Alkaline Battery or Ni-CD/Ni-MH battery, the power can last for around an hour (with LCD on) whereas for camera Lithium battery, it can last longer. In addition to LCD display, CCD (Charge Coupled Devices) also consumed lot of power. For those models that use LCD display as view finders, in order to drive CCD continuously, the power loading is heavy. Sometimes, the power of four dry batteries can only last for less than 30 minutes. Therefore, take a check of whether rechargeable batteries or charger are included in your camera package or whether other relevant charging information is mentionedWhen you are selecting a present for your child, they might want a digital camera. You should go for small but not horribaly out of focus. The details on the camera should be able to pick up basic things. Even if your kid is aspiring to be a proffesionall photographer you should worry about the price. While buying a digital camera for your child, it is understandable that you really do not want to spend a lot of money. There are lots of choices available in the market today. The price range starts from as low as $30 and can go up to $300. So, it really depends on how much you would like to spend on the camera. Start simple and upgrade if they grow out of the digital camera that you buy for them. Hey share them with the whole family!There are times, however, when you will want to take control of your camera's settings to get an even better picture. Here are some tips to help you consistently: Minimize camera movements - If you know you'll be in a situation where you'll have to shoot under low light conditions with a slow shutter speed, use a tripod. You can also use a tripod on a sunny day to minimize camera moment to allow you to shoot with a small aperture and a slower shutter speed for greater depth of field. Most professional nature and landscape photos you see were done with a tripod. Follow your object - If you're shooting a moving object, try planting your feet solidly and bracing your arms tightly against your sides, and follow the moving object by turning your body. This can keep your subject in focus, although your background will be blurred.For photographing fireworks in the sky or at any reasonable distance, switch it off! All flash will do is illuminate any smoke or dust in front of the camera and spoil the picture. But if you are photographing people close by with, for example, sparklers or torches, you can get some exciting effects by combining flash illumination and a slow shutter speed (above). The flash illuminates people and freezes the scene but the long (slow sync) shutter speed lets bright moving objects, like sparklers, leave long trails. Look for settings like slow-sync flash or use a slow manual shutter speed - say, between 1/4 and a whole second, with the flash on. And finally, Take as many shots as you can. Fireworks don't demand highest resolution camera settings so you can use a lower resolution setting to get more shots out of your memory card.Looking into digital photography, ever want to start Learning Digital Photography? Find some great tips on how to take digital photographs with This Free Report
This article is free for republishingSource: http://www.articlealley.com/article_500541_45.html
Friday, May 2, 2008
Digital Cameras - The "in" Thing For Photography by Francisco Segura
Digital Cameras - The "in" Thing For Photography by Francisco Segura
0
plugs
plug it
Digital cameras have captured the photographic marketplace because you no longer need to use film. Digital cameras can also be considerably smaller as they do not need a film chamber. You no longer have to send photos to a developing lab to have the pictures blown up or adjusted as long as you have a home computer. Whilst the image storage may be digital, the end result looks no different from a picture printed from photographic film.Focusing light through a lens onto a suitable receptive surface is still common to both types of camera. However, it is how the digital camera captures the light that makes all the difference because it achieves this by using a special sensor as opposed to film. A charge couple device is the light capturing device in the quality models that is used to convert light into electrical signals and as far as the user is concerned, an image is saved just like an ordinary device. Less expensive cameras us a complementary metal oxide semi-conductor or CMS device which does the same work of capturing an image and although some believe it could replace the CCD, this is not likely.In order to bring digital photography to the masses, the price had to come down; an expensive part of the system is the capture device, so by replacing the CCD with the CMOS device it enabled the price to be reduced. The CCD and CMOS devices used in digital cameras capture light like tiny solar collectors both achieving the same effect but just by differing methods. Information to help you choose a suitable model of camera is mention in this review. Image quality is important or it will be waste of time taking them so look for the highest megapixel model within your price range; they can also provide prints that are larger without any degradation.Better photos will be taken with a digital camera that has an optical zoom and not just a digital zoom; even a camera with a three times optical zoom is worth having. One way in which you can save money is to use batteries that can be recharges over and over saving you hundreds of dollars over their lifetime. If you want to do more than just take snap shots, look for a model that is high on functionality to create stunning photos you can be proud of; functions like those listed here for instance: *Sepia shots *B/W image conversion *Mosaic effect shots Most models these days can accept a storage card to accept more images because high megapixel models use up a great deal of memory. Although larger storage cards have plummeted in price, a 1GB card should be enough for most peoples needs; some cameras won't accept very high capacity cards anyway.If your camera is going accompany you wherever you go, then you will need to consider its size. These smaller models are very discreet and don't make you feel as if you are on a photographic safari but you can still take professional looking pictures. There has only been room for a few basic hints and tips here but they should help with your choice of camera. With their range of features and ease of use, digital cameras are the future of still image photography.
About the Author
Francisco Segura owns and operates http://www.hdtvtelevisionfacts.com Hdtv Television
0
plugs
plug it
Digital cameras have captured the photographic marketplace because you no longer need to use film. Digital cameras can also be considerably smaller as they do not need a film chamber. You no longer have to send photos to a developing lab to have the pictures blown up or adjusted as long as you have a home computer. Whilst the image storage may be digital, the end result looks no different from a picture printed from photographic film.Focusing light through a lens onto a suitable receptive surface is still common to both types of camera. However, it is how the digital camera captures the light that makes all the difference because it achieves this by using a special sensor as opposed to film. A charge couple device is the light capturing device in the quality models that is used to convert light into electrical signals and as far as the user is concerned, an image is saved just like an ordinary device. Less expensive cameras us a complementary metal oxide semi-conductor or CMS device which does the same work of capturing an image and although some believe it could replace the CCD, this is not likely.In order to bring digital photography to the masses, the price had to come down; an expensive part of the system is the capture device, so by replacing the CCD with the CMOS device it enabled the price to be reduced. The CCD and CMOS devices used in digital cameras capture light like tiny solar collectors both achieving the same effect but just by differing methods. Information to help you choose a suitable model of camera is mention in this review. Image quality is important or it will be waste of time taking them so look for the highest megapixel model within your price range; they can also provide prints that are larger without any degradation.Better photos will be taken with a digital camera that has an optical zoom and not just a digital zoom; even a camera with a three times optical zoom is worth having. One way in which you can save money is to use batteries that can be recharges over and over saving you hundreds of dollars over their lifetime. If you want to do more than just take snap shots, look for a model that is high on functionality to create stunning photos you can be proud of; functions like those listed here for instance: *Sepia shots *B/W image conversion *Mosaic effect shots Most models these days can accept a storage card to accept more images because high megapixel models use up a great deal of memory. Although larger storage cards have plummeted in price, a 1GB card should be enough for most peoples needs; some cameras won't accept very high capacity cards anyway.If your camera is going accompany you wherever you go, then you will need to consider its size. These smaller models are very discreet and don't make you feel as if you are on a photographic safari but you can still take professional looking pictures. There has only been room for a few basic hints and tips here but they should help with your choice of camera. With their range of features and ease of use, digital cameras are the future of still image photography.
About the Author
Francisco Segura owns and operates http://www.hdtvtelevisionfacts.com Hdtv Television
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