Most analog cameras have resolutions less than 1 megapixel, so in the past we could concentrate on selecting a lens based on fundamentals, like the distance away from the object we were viewing.
Today, selecting a lens has become much more complex. This is because in the digital camera world we now have cameras that go far beyond 1 megapixel. In fact, they can go all the way up to 50 megs! So, finding a lens suitable to match our high resolution cameras becomes a problem. Using standard lenses will literally not allow us to see all the pixels that are provided by these high resolution cameras.
As of late many lens companies have started to sell megapixel lenses, which in turn, satisfies the need for cameras using sensors 1-3 megapixel in size. However, when we reach 5 megapixels, the same problem re-appears. Once again we can no longer take advantage of all the pixels being provided by the camera. So, a select group of lenses companies have now introduced 5 megapixel lenses, which currently solves the issue all the way up to 7 or 8 megapixel cameras.
With more and more camera companies developing and introducing new cameras, and with resolutions going up to 50 megapixels, we find ourselves wondering: What solutions will be provided in the future?