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All those megapixels
 

All those megapixels

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Buying a digital camera tips and suggestions

Buying a digital camera tips and suggestions

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    All those megapixels All those megapixels Document Transcript

    • ==== ====Get more information on Digital Cameras Here....http://digicameraexpert.newsintechnologys.com/==== ====Are you thinking of buying a new digital camera? Are you confused by all the choices in cameraresolution? Is the megapixel rating the most important factor you should consider in buying adigital camera? How many megapixels are enough? Is there such a thing as too manymegapixels? How do megapixels and digital camera resolution compare to film camera resolution?To put it simply, resolution is the amount of detail that your digital camera records of an image. Adigital image is made up of pixels. For digital cameras, the number of pixels is measured just likeyour computer monitor. As digital camera resolutions have gotten higher, w will e now multiply thehorizontal and vertical values for one total value, which is usually rounded out to the megapixelcount. Some of the first digital cameras had resolution of 480 x 640 pixels. This is the samenumber of pixels in the computer monitor standard VGA. Multiplying 480 x 640 would end up witha resolution of about .3 megapixels. This was touted by the digital camera industry as photo-quality, but it is far from it. Most web cams support this resolution.Next up in computer monitor resolution is SVGA or 600 x 800. This works out to about .5megapixels. Still not there.Currently, one of the most popular computer monitor settings is 1024x768. This is still less thanone megapixel, it is also the resolution that we first saw consumer digital cameras at. This is also acommon resolution for video projectors. The one megapixel digital cameras have a resolution of1280 by 960. If you were to make a 4 x 6 print from an image this size, it might compare in qualityto that of an old 110 camera, or APS camera.When we reach the two megapixel mark, or resolution of 1600 x 1200, you can get a fairly niceprint. This gives you a print size of 4 x 6 at not quite 300 dpi. However, when you make aphotographic print much larger than 4 x 6, youll be able to see the individual pixels or notice thelack of detail.In a digital photographic print, 300 dots per inch is considered the standard for small prints. Somephotographic printers print at less than 250 dpi. Some a little bit more than 300 dpi. While there islittle bit of leeway here, digital prints at 300 dpi will appear to have the same detail that a printmade from a 35mm negative would if it were printed traditionally. This is especially important forsmaller print sizes that will be viewed close-up. As we go to larger print sizes, the distance theprint will be viewed from is also likely to increase. From a farther distance the eye cannot see thedetail, and so the print still looks good.A 3 megapixel camera will have a resolution of about 2048 x 1536. It is still far below that of good35mm negative. It is not till we reach a little bit over five megapixels that digital starts to compareto 35mm in detail. A 5.3 megapixel camera has a resolution of about 3008 x 1960.
    • A good six megapixel camera can surpass 35mm quality in detail. This works out to just about 300dpi in an 8 x 10 print. Since 35mm has been accepted level of quality for so long, this is theresolution I recommend people start looking at for a digital camera. The six megapixel camera willprovide the same level of quality (maybe a little bit better) that your old 35mm camera gave you. A6.3 megapixel camera has a resolution of about 3088 x 2056.What about seven and eight megapixel cameras? An eight megapixel camera approaches thequality of the professional medium format camera. It is interesting to point out that many of theseven megapixel cameras came out after the eight megapixel cameras were introduced. It hasbeen suggested, the reason for this is because the first generation of eight megapixel point-and-shoot cameras had a problem with noise. This was caused the small sensors used in digital point-and-shoot cameras. This problem is largely overcome now, and did not apply to the larger digitalsingle lens reflexes. While an eight megapixel camera will provide a little bit extra information incase you want to crop up in a, since few people ever make a print larger than 8 x 10, much of thisextra information is wasted. I do not recommend that the average person purchase a digitalcamera resolution higher than eight megapixels.Digital cameras with resolutions of 10 to 13 megapixels are well in the quality range of good120mm professional cameras. They create huge file sizes that require significant computerresources to work with. A 13 megapixel camera will only get approximately 55 images on a 1 GBmemory card in RAW format. This makes saving and archiving images more expensive and time-consuming. There are professional digital camera systems with resolutions of 20,40, and even ahundred megapixels. Only a professional would have need of images with this high a resolution.To summarize, I suggest that almost anybody will be happy with a camera with a six megapixelresolution. If youre really on a budget you can go down as low as five megapixels and still havedetailed pictures at the sizes youre most likely to have prints made. If youre an advanced shooteror hobbyist youll enjoy the extra room that an eight megapixel camera will give you. If youre aprofessional, you need a camera resolution appropriate to the job at hand.To put it simply, resolution is the amount of detail that your digital camera records of an image. Adigital image is made up of pixels. For digital cameras, the number of pixels is measured just likeyour computer monitor. As digital camera resolutions have gotten higher, w will e now multiply thehorizontal and vertical values for one total value, which is usually rounded out to the megapixelcount. Some of the first digital cameras had resolution of 480 x 640 pixels. This is the samenumber of pixels in the computer monitor standard VGA. Multiplying 480 x 640 would end up witha resolution of about .3 megapixels. This was touted by the digital camera industry as photo-quality, but it is far from it. Most web cams support this resolution.Next up in computer monitor resolution is SVGA or 600 x 800. This works out to about .5megapixels. Still not there.Currently, one of the most popular computer monitor settings is 1024x768. This is still less thanone megapixel, it is also the resolution that we first saw consumer digital cameras at. This is also acommon resolution for video projectors. The one megapixel digital cameras have a resolution of1280 by 960. If you were to make a 4 x 6 print from an image this size, it might compare in qualityto that of an old 110 camera, or APS camera.
    • When we reach the two megapixel mark, or resolution of 1600 x 1200, you can get a fairly niceprint. This gives you a print size of 4 x 6 at not quite 300 dpi. However, when you make aphotographic print much larger than 4 x 6, youll be able to see the individual pixels or notice thelack of detail.In a digital photographic print, 300 dots per inch is considered the standard for small prints. Somephotographic printers print at less than 250 dpi. Some a little bit more than 300 dpi. While there islittle bit of leeway here, digital prints at 300 dpi will appear to have the same detail that a printmade from a 35mm negative would if it were printed traditionally. This is especially important forsmaller print sizes that will be viewed close-up. As we go to larger print sizes, the distance theprint will be viewed from is also likely to increase. From a farther distance the eye cannot see thedetail, and so the print still looks good.A 3 megapixel camera will have a resolution of about 2048 x 1536. It is still far below that of good35mm negative. It is not till we reach a little bit over five megapixels that digital starts to compareto 35mm in detail. A 5.3 megapixel camera has a resolution of about 3008 x 1960.A good six megapixel camera can surpass 35mm quality in detail. This works out to just about 300dpi in an 8 x 10 print. Since 35mm has been accepted level of quality for so long, this is theresolution I recommend people start looking at for a digital camera. The six megapixel camera willprovide the same level of quality (maybe a little bit better) that your old 35mm camera gave you. A6.3 megapixel camera has a resolution of about 3088 x 2056.What about seven and eight megapixel cameras? An eight megapixel camera approaches thequality of the professional medium format camera. It is interesting to point out that many of theseven megapixel cameras came out after the eight megapixel cameras were introduced. It hasbeen suggested, the reason for this is because the first generation of eight megapixel point-and-shoot cameras had a problem with noise. This was caused the small sensors used in digital point-and-shoot cameras. This problem is largely overcome now, and did not apply to the larger digitalsingle lens reflexes. While an eight megapixel camera will provide a little bit extra information incase you want to crop up in a, since few people ever make a print larger than 8 x 10, much of thisextra information is wasted. I do not recommend that the average person purchase a digitalcamera resolution higher than eight megapixels.Digital cameras with resolutions of 10 to 13 megapixels are well in the quality range of good120mm professional cameras. They create huge file sizes that require significant computerresources to work with. A 13 megapixel camera will only get approximately 55 images on a 1 GBmemory card in RAW format. This makes saving and archiving images more expensive and time-consuming. There are professional digital camera systems with resolutions of 20,40, and even ahundred megapixels. Only a professional would have need of images with this high a resolution.To summarize, I suggest that almost anybody will be happy with a camera with a six megapixelresolution. If youre really on a budget you can go down as low as five megapixels and still havedetailed pictures at the sizes youre most likely to have prints made. If youre an advanced shooteror hobbyist youll enjoy the extra room that an eight megapixel camera will give you. If youre aprofessional, you need a camera resolution appropriate to the job at hand.
    • You can get additional information on how to take better photos here James Thoenes is aprofessional photographer with over 20 years in photography. Learn how to take better photos athis website http://www.photographybyjet.comArticle Source:http://EzineArticles.com/?expert=James_Thoenes==== ====Get more information on Digital Cameras Here....http://digicameraexpert.newsintechnologys.com/==== ====