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Forum: Pentax DSLR Discussion
12-06-2008, 01:23 PM
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The larger the sensor, the more detail in the image, all other things remaining equal. A mediocre medium format lens will produce images that surpass in detail the sharpest 135 lens. It is sort of like comparing MPEG-2 with H.264 video compression, if you're a video geek; H.264 will do better at a given level of bandwidth, but I'll prefer MPEG-2 with ten times the bandwidth any day. Larger sensor provides greater "bandwidth." And the largest sensor you can put into a system designed for 135 film is a 135-sized sensor.
135-sized sensors are the "holy grail" because they maximize resolution without requiring an entire change of lenses and usability.
A think that everyone will acknowledge that a digital sensor the size of a 11" by 14" wet-plate would produce stupendously higher quality images than a full-frame (135) sensor...with a price to match.
Sensor size is always about compromises. A 135-sized sensor makes compromises, too.
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