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How many megapixels does a digital camera have to have in order to match the quality of a 35mm camera?
I’ve read in an article that it would take 14 megapixels in order for a digital camera to match a 35mm. in terms of picture image quality. Also is 35mm the “Holy Grail” of image quality in a photograph? Are there new technologies that could surpass the image quality of a 35mm camera?
Being that there are digital cameras on the market such as Hassleblads $30,000 H2 which bosts an impressive 39 megapixels you would assume that digital cameras have far surpassed that of 35mm film, and indeed in the case of the Hasselblad it has indeed surpassed the quality of 35 cameras and has approached the quality that one would expect with larger format film cameras such as 6×4.5 cm film or 6×6cm film.
However, film sizes are not limited to 35mm, 6×4.5 cm film or 6×6cm film for that matter. 4inchx5inch and 8inchx10inch are also very popular film sizes amongst professional photographers.
If you really want to get down to brass tacks, there is a formula which you can use to figure out the megapixel equivalent of the film you are using. The equation is as follows… (lpm1.6 / 80 lpm)2…squared that is. In the equation, lpm1.6 refers to the published film resolution in line pairs per millimeter with a target with a contrast of 1.6. The digital camera equivalent applies to a monochrome (Bayer) sensor that is common in consumer and pro digital cameras currently on the market. hence….
digital megapixel equivalent (35 mm film) = 10 * (lpm1.6 / 80 lpm)2
digital megapixel equivalent (6×4.5 cm film) = 31 * (lpm1.6 / 80 lpm)2
digital megapixel equivalent (4×5 film) = 150 * (lpm1.6 / 80 lpm)2
digital megapixel equivalent (8×10 film) = 600 * (lpm1.6 / 80 lpm)2
So as you can see the megapixel equivalent of 8×10 film is about 600megapixels(give or take depending upon the type and iso of the film you are using, type of lens etc..). However, for the average consumer who prints 4×6 prints at walgreens this is just an overkill. However if you are making 7 foot by 10 foot mural prints and you want sharp and tonally perfect prints, go with an 8×10 camera. Just because film can surpass the quality of digital cameras should not mean that you should dismiss digital cameras as some kind of novelty. In many ways digital photography has revolutioned many fields of photography from photo journalism to product photography. But film has its niche too especially in the fine art field and in some specialty commercial photo fields. Fact is that your choice of film or digital really depends upon what you are doing in the photo field. Would Ansel Adams or Edward Weston have been the icons that they were using 35mm SLR cameras or 12 megapixel digital cameras? There is no such thing as the perfect camera, but there are cameras that can be perfect for you.
Cesar Huesca – Lace Sensor Holy Grail pickups review
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Guitar Music | admin | 
March 19, 2013 2:20 am
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