PIX 2015
wombat661

wombat661

Joined on Sep 21, 2013

wombat661's recent activity

  • Don't know about iPhone6, but iPhone5 is not what I call responsive. Is ok for a picture, but that is about it. DSLR is my minimum standard for responsive.

  • Photons may have uncertainty and margin of error, as long as the average of the photon reading gives me a repeatable result, meaning photons correlate to light level, readings are usable.
  • Why do you say there is no dimensionality. I got a 24MP picture with 24 million numbers. Each number represents photon/light level at each pixel. I know the coordinate of each pixel and the ...
  • Dataset does not imply the numbers are absolutely precise and accurate. You can have a statistical dataset as well. The more data you have, the more you can average it out to improve accuracy. Thin ...
  • I hope you agree that each individual pixel on the sensor is sensing the intensity of light on that pixel. That is the basis for how a digital camera works. I don't know what else a sensor is ...
  • The entire purpose of taking a picture is to tell how many photons are on each pixel. If you want an exact number, we would have to aim the camera at some photon source with known value and ...
  • What are you trying to get at. I take a picture, each pixel will have a number that corresponds to the light level at that pixel. Why is there even argument about that?
  • Each pixel on the sensor gives you a number that correspond to how much light it is receiving. That number would be the data. You are counting the number of photons that hit the sensor. Why would ...
  • Megapixels is not the actual data. The actual data is the picture you are taking. More light, more photon count.
  • Commented on Nikon D7200 Review preview

    I have a Nikon 1, so I do know they can be pretty small. But the two systems are not to be compared. They are like Prius vs F150. Both gets you there, but totally different purpose.

  • What the sensor does is essential count number of photons of light. Total light is total number of photons counted. In a sensor, you are dividing the area into pixels so you have some kind of ...
  • Dataset could mean spatial resolution if you want to look at it from that point of view. Let say you have a trillion MP packed into a sensor. Assuming perfect BSI construction. FF has 4 trillion ...
  • Dropping a camera is just a risk you have to take when you go out of your way to do something. No different than if you volunteer to serve food at the party. You can cut your finger off. Or ...
  • You got these variables: A: Focal length B: Distance to subject C: Sensor size Which variable are you trying to fix with your question? Assume cropping the picture to just the subject regardless of ...
  • All else being the same, larger sensor would have more resolution. Assuming same pixel pitch. So yes, dataset would mean more resolution. More data to work with. You then can average out multiple ...
  • Think the confusion is over definition of the words. Dataset implies new data is being gathered. You need a larger sensor to gather more data. Larger sensor requires more light. This all assumes ...
  • Total light or data set is the exact same thing. You are arguing over how to describe the same phenomenon. Remember he talked about poisson distribution. You get variation in the light coming into ...
  • My copy of the used 17-55 had a grinding zoom ring. It felt dry and seems to be slightly grinding. Another copy I looked at felt the same way. Taking it apart realized why, it truly was dry ...
  • Really glad Professor999 brought this up. Missed the article. Joel Robison's pictures are truly amazing. Is disgusting that Achraf stole the idea the way he did. Is right for DPReview to take down ...
  • Yes, #6 is L/G. Thanks for the catch :)
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