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(SR4) Compact cameras with ”Pixel Binning” coming in early summer. (113 posts)

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  • Avatar Image admin said 2 months, 3 weeks ago:

    One of my very trusted sources told me that the next Sony compact cameras will have a new “Pixel Binning” feature. For those of you not knowing what this is here is the wikipedia description: “binning is the procedure of combining a cluster of pixels into a single pixel. As such, in 2×2 binning, an array of 4 pixels becomes a single larger pixel,[1] reducing the overall number of pixels. This aggregation reduces the impact of read noise on the processed image at the cost of a lower resolution.“.

    This is an interesting news because it is also a feature many of you requested for the future NEX and SLT cameras. I don’t know yet if that feature will be exclusive for compact camera or if it will be implemented in future system cameras too. I would certainly welcome that feature on my future A99 :)

     

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Why make tiny pixels and then combine them (doing a pixel binning) later to reduce noise instead making larger pixels in the first place?

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Because you want high resolution in good light, and big sensor surface per pixel in low light.

  • Avatar Image pancanikonpus said 2 months, 3 weeks ago:

    few questions:

    1) pixel binning for camera alr exist on the market such a77, a65, nex7 is it still can be done via firmware? or it is need hardware change?

    2) if summer compact camera do have this feature, what it mean to existing SLT a77, a65, nex7 owners about their camera?

    3) how deep the impact of this pixel binning to a camera performance? (since 5dmk2 does, its seem critical!?)

    other questions:

    1) will sony going to fix the 1.8x crop video recording on a77 issue via firmware?

    2) tenthering when?

    3) will sony unlock ISO setting >1600 when in video recording?

    thank you!

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Most compact camera users only know how to press the shutter button and upload to Facebook. ;) In fact I’d say the same for most dSLR users too… :D

    But yes, I agree. For the experienced user it would make more sense to capture the image at full resolution and then PP it. Indeed in PP it may be found that “binning” wasn’t necessary and a few NR tweaks are all that’s required.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    What is wrong with the video crop i cannot really understand the problem

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    No Canon DSLR can do Pixel Binning!!!!

  • Avatar Image admin said 2 months, 3 weeks ago:

    Sorry corrected. The rumored 5D markII (not markII) will do it!

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    1) You don’t need in-camera pixel binning, do it yourself in PP.

    2) I don’t see why A77 users should be concerned about compacts.

    3) You’d have to ask 5DMkII users, from what I read it can introduce Dynamic Range issues.

    other questions:

    1) Doubt it. The crop is there for electronic image stabilisation. I don’t think they’ll provide a way of switching it off, but it would be nice.

    2) Don’t hold your breath for tethering. It may never happen. I have to also use a Canon (long story) because the A77 doesn’t have it!

    3) According to Sony, the 1600 ISO video limit is to prevent the sensor from overheating due to more power being drawn by the sensor at higher ISO. So I doubt it will be changed.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    1. Pixel binning has to be done in hardware, so it can’t be retroactively added to a camera.

    2. They’ll carry on using it like they always have.

    3. It’ll mainly serve video modes (as 1080p is only two megapixels anyway). The better one is at post processing, the less affect it’ll have on still photography, though it should have a noticeable affect on in camera JPEGs at lower resolutions and high ISOs.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Versatility, in good light you dont bin and get the benefit of all thouse pixels, in bad light you lose the pixel count and gain the low noise. All this occurs on the sensor before the digitization phase. Its been used in Astro photography for a long time. Essentially you sacrifice detail for a reduced noise image.

    You cant achieve the same thing in post as the Summing Well on the sensor has the benefit of a single readout channel. If you do it in post from the full pixel count the 4 pixels have 4 readout channels hence 4x the readout noise (which would add in quadrature so ends up being about twice the noise) so the results are still more noise and worse colour accuracy. True binning is better if you can stand the resolution drop.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Binning has the advantage of giving much smaller file sizes.

    On a high definition camera (for example, 80 Megapixels), one might use binning for all routine shots, giving a usual 20 Mpix, and have the option to use all the pixels for jobs that need them.

    For example, recording a large painting or tapestry, or shooting a landscape for a mural-size print, could use every pixel.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    @Carl

    Agreed, as I said in my post above, is MUST be done before the ADCs and in EXMOR and EXMOR-R even its more important as Sony use on chip column ADCs.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Its a pain if you want to use a wide angle lens. For instance a 12mm FF lens which would normally be 18mm on APSC, becomes 22mm. An 18mm kit lens goes from an acceptable 27mm to a more mundane 34mm. Its great if you do telephoto stuff but if you want to video a nice scenic view it can be annoying.

  • Avatar Image anonymous said 2 months, 3 weeks ago:

    Versatility..