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And, with it being smaller, they'll again find a way to not provide a desirable hi-rez 920,000 dot 3" screen. D80--> D90 made a point to see what impressed the market, and did not make an effort to not provide the higher quality screen. They simply included it. New model -> you put the best in screens, live view (if you're going to have it), etc.... I hope it's not smaller. The K20D with a BG-2 is PERFECT.
Why needs a K1D? If you desire something massively bigger and more
expensive with bulky lenses and more DR than the K20, why not just
buy a 640D when it comes out?![]()
I've always found "DAC" an interesting term in SLR cameras. At what point is data being converted from digital to analog? I though it was an ADC, (analog light rays converted to digital sensor data.) and would fit the description of the sensor itself. After that, isn't it just digital to digital? (I'm not being sarcastic, I'm genuinely curious, obviiously such a thing exists somewhere as I've heard it numerous times, I just can't imagine where!)Better DACs, bigger buffer, faster fps, etc. that doesn't justify the
cost on a lower model. Are the differences always worth it (look at
40D vs 5D or D300 vs D700 or the myriad of other n and n+1 models)?
Sometimes yes, sometimes no...but even these answers will come down
to each consumer. Those with the money and the desire to have it will
buy it. And need, in the world of photography (we aren't talking
food, water, and shelter here) is always a luxery.
Sensors are not digital devices per se, they are simply analog photon to electron converters. The digital conversion of the converted elecrons generated by the photons that were gathered by the pixels happens later, even if it happens "on chip". This is one of the advantages of the CMOS sensor: it can have the secondary analog amplification and digital conversion circuitry right on the chip such that the output of the chip can be digital, saving real estate, extra parts, signal path losses and noise, etc.I've always found "DAC" an interesting term in SLR cameras. At whatBetter DACs, bigger buffer, faster fps, etc. that doesn't justify the
cost on a lower model. Are the differences always worth it (look at
40D vs 5D or D300 vs D700 or the myriad of other n and n+1 models)?
Sometimes yes, sometimes no...but even these answers will come down
to each consumer. Those with the money and the desire to have it will
buy it. And need, in the world of photography (we aren't talking
food, water, and shelter here) is always a luxery.
point is data being converted from digital to analog? I though it
was an ADC, (analog light rays converted to digital sensor data.)
and would fit the description of the sensor itself. After that,
isn't it just digital to digital? (I'm not being sarcastic, I'm
genuinely curious, obviiously such a thing exists somewhere as I've
heard it numerous times, I just can't imagine where!)
Right, which is my central question. The process of taking light and converting it to a digital image is a one-way ADC conversion. Yet there are repeated reference to the quality of in-camera DACs. The only DAC conversion I'm aware of with photography happens at LCD display (converting digital images to electrical charges to a liquid crystal matrix), but I doubt people are complaining so much about the DAC quality on the 2.7" LCD on the cameraconverts this to digital, which is normally referred to as ADC. DAC
is quite the opposite of ADC.
Ray
Didn't you hear? The K30D comes with a built-in toilet!But then how would you eat, or dress yourself, or answer calls ofOn one hand, I would love a small, high-end camera..... On the other hand, I'd like > a big camera .....
nature?? ;-)
--
Cheers,
sfa
Many are amazed that anyone would want smaller cameras. Big cameras are a better balance for big, heavy lenses, and they convey the message that we're artists, not wimps. They're probably also preferable for people with big hands. And even large-format cameras can go almost anywhere, if you have a few people to share the load.I said it before, I'll say it again, I want the K20D sensor in a Km
body . . .