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  1. #11
    bhbrown8 Guest

    hope to add a little help

    [WROTE]: "Ok - I can see the logic in that - BUT I recently took 2 near identical shots.
    1) with the C-740 at 3,2mp at 380mm
    2) with the A-200 at 8.0mp at 200mm - with 2xdigital as well
    The upshot is the A-200 pic pixalates noticably LESS than the c-740 pic
    (If you like I could create a couple of comparison pics, ie paste then together)
    I know that the image from the A-200 is slightly closer so tat would contribut a tad."



    i came across this forum and was just wondering if you questioned whether your problem is a technical one rather than a photographical one. (haha, i probably said this wrong)... anyway, i've noticed that not every digital camera outputs the DPI (dots per inch; or resolution) of its file the same as another. For instance, my camera outputs at 72 DPI (which is what most are). It's a 6 (roughly) MP camera, so the picture size is huge (like 30 by 40 or something), but again, only 72 DPI. I always going in an change this in Photoshop before I print mine. A buddy of mine has a Sony and it outputs the files at 300 DPI (I think), which is a much higher and better quality for printing... therefore, less pixelation. So that's a possibility.

    Another thing of concern, are you viewing your pictures in print or on the computer? Again, depending on how your camera outputs the file, your computer may interpret it differently than another file. For example, have you ever taken a picture of telephone wires and then viewed them on the computer? Sometimes they look all broken, distorted, and pixelated. The file doesn't fit right to the screen size.

    And my last comment is about digital zoom. In my opinion, digital zoom sucks. It's an interpretive zoom, not a true zoom, like optical zoom is. It's way cheaper than optical zoom, so of course many camera come standard w/ it and they talk it up like it's something great. Digital zoom will add to the pixelation of your image, so be careful w/ that.

    I hope that this bit of information helped anybody here that was having problems. Let me know if you have any questions, comments, or concerns. Again, I just stumbled on this forum, but i'll try and stop back.


    bhbrown8

  2. #12
    Join Date
    Aug 2005
    Posts
    15
    Thanks Geoff for your pics. It had answered my queries.

    Brown, I agree with you that digital zoom sucks. It has more disadvantages over advantages that I cannot bothered to use it.

    If anybody can find a good use for digital zoom, I would be glad to hear it. By the way, does resizing and cropping have any differences?
    Last edited by Within; 08-11-2005 at 05:57 AM.

  3. #13
    Join Date
    Feb 2007
    Posts
    26
    Let me tell you just dont get fooled by MPs.Color reproduction is very important.Canon and Nikon are really the best in this game but Nikon is costlier.A 4 MP canon gives superior prints compared to a 6 MP Sony which does not have good color reproduction.You need to take evrything into consideration.

  4. #14
    Join Date
    Feb 2007
    Posts
    207
    How many megapixels do you need? 10.

    With 10 megapixels you can print at 200 dpi and produce an 18.24" x 13.68" print with no pixelation...which you can have done at your local Staples for Office Depot for about 10 bucks. That should fit the needs of a very large majority of people.
    ________
    Nevada medical marijuana
    Last edited by Graystar; 03-11-2011 at 10:10 PM.

  5. #15
    Join Date
    Jul 2006
    Posts
    132
    I think nowadays you needn't look at sensor pixel number of the camera. Cameras with less than 5MP are rarely produced. This is usually more than enough for even quite large prints. And lens quality, image sensor quality and image processor are more important than sensor pixel count.
    But if you are really concerned about numbers, take a look at the 2 tests: canon A620
    and Fujifilm F31 tests, "resolution and sharpness" chapter.
    Canon is 7mega, Fuji 6mega. But Fuji seems to have significantly better resolution.
    BUT it doesn't mean that Fuji is better. Compare colour accuracy tests, noise tests and other tests. Now the choice is not so obvious.
    regards
    s.
    F10

  6. #16
    Join Date
    Nov 2013
    Location
    Hanoi, Vietnam
    Posts
    1
    I have a canon eos 1100d with 12 mp and it is good for me.

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