You're right I think. Some cameras have a slightly bigger sensor with a 1.4 lens reduction value. But the game really has changed in the past few years. Most DSLR mfgs are now making lenses specifically designed for smaller sensors and not film. They're called Dx lenses by Nikon. In a decade, all the old 'film to DSLR' transitoners like me won't be of much concern to camera makers. Their new client base won't have an arsenol of old 35mm film lenses to transition. That's also why Nikon will probably never make a full frame camera. They're putting all their R&D into new lens technology that fits a smaller sensor. This is also why Canon may fall behind some day....(wink) Newer shooters will be buying the latest lenses designed for digital and not looking for lenses designed for film size. There will be nothing sacred about 35mm film size in the future and so no need for "full frame" cameras really.
But right now we are at a technological end with CMOS and CCD design. There does seem to be a limit as to how small and close together you can place image receptors (pixels if you will) on a piece of silicone without affecting image quality. A totally new design is needed, some breakthrough. But until then most camera mfgs are concentrating on refining the other and actually more important things about digital capture. Bit depth per pixel for example is much more important to image quality than the 'megapixel count' of your sensor. I think that for the next few years sensor size will stabalize and that refinement will be in finding better ways to utilize what's already in place......stay tooned!
And I apologize for not knowing the Olumpus evolt was an 8MP DSLR. Sure doesn't sound like a prosumer cam to me. Only 2 lenses though....that's a weak point. |