If you want to control depth-of-field (e.g., everything but subject out of focus) you've got to have a full-size sensor. There is no equivalent for a real 50mm, f1.4, treatment of depth-of- field in the smaller sized sensors. This goes back to the Mercury II, 35mm half-frame camera. even wide open, everything was always in focus because of the small image area and the short focal length lenses.
Please comment briefly on your thoughts on Nikon's move to offer a full-frame sensor and how it might affect your buying decisions in the future.
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The D2x and other such cameras have already proven that APS sized sensors deliver. One can get wide angle lenses as wide as they want, and 35mm lenses are used to the best advantage by cropping the edges. Why should we be forced to adopt the exact dimensions of a 35mm frame size, when it was just an arbitrary choice by Barnack based on film available, etc. There is nothing sacred about the 35mm format. I use both 35mm SLR's and APS sized digital SLR's. The advantages of the smaller sensor outweigh any negatives, as few as they may be. This makes only three full-frame cameras out of all those produced. This doesn't tell me there's an overwhelming demand. It is basically a few loud voices making all the noise, and they have choices available. So why make such a big issue out of it all? Seems to me that a few photo magazine writers have been the loudest voices.
It only matters as far as we "learned" the focal lengths and the associated DOF issues based on format size. I suppose only the end results matter. It's no different than comprehending what a 75 mm lens will do on a real 35 mm film size vs a 2-1/4 film size.
Its always been true. Bigger is better. Nikons marketing strategy of pricing their full size image sensor cameras at an astronomical point above their APS-C cameras should be a clue. But at the same time they make the APS-C SLRs cost about the same as a Cannon D5 full frame sensor camera. This must be an attempt to imply that APS-C is just about as good as a camera with a full frame sensor. If thats so, why is their large sensor camera so pricey? They are basically talking out of both sides of their mouths in order to get extra profits out of a dying format.
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