My experience too, Ken.

Often all the spec-peeping and measurebating produces heat but no light.

On Thu, Feb 7, 2013 at 12:29 AM,  <[email protected]> wrote:
> Thanks Mark.
>
> I'm still shooting with a K20D and recently did a 24" X 36'' print (biggest
> I've ever done) from a slightly cropped file that just blew me and others
> away with it's detail. Its hard for me to justify a new body just for a ff
> sensor or 24MP.
>
> Kenneth Waller
> http://www.pentaxphotogallery.com/kennethwaller
>
> ----- Original Message ----- From: "Mark Roberts"
> <[email protected]>
>
> Subject: Re: K5 RAW file size - yow!
>
>
>> Kenneth Waller wrote:
>>
>>> So from your experience Mark, what has 24MP done for your photography?
>>
>>
>> Several things.
>>
>> First of all, the 24MP has given me more options, like making a
>> panoramic shot by cropping from a single frame rather than stitching
>> multiple frames together (I usually don't shoot that way deliberately
>> but sometimes, like one shot from GFM last year, I "see" the pano
>> composition later when I get home -- I'm still pissed off that I
>> brought the K-5 on that hike rather than the A850). I can also shoot
>> stitched panos with three or even two shots, which makes stitching
>> much faster and easier.
>>
>> The full-frame part lets me get better prints at a given size - often
>> even when using non-megadollar glass. That goes contrary to popular
>> wisdom, number crunching and pixel peeping: You'll read that
>> high-megapixel full-frame cameras are much more demanding of glass and
>> show the weaknesses of less-than-stellar lenses. Which is true. But
>> it's usually seen making measurements or peeping at 100% magnification
>> in Photoshop. But when making a print of any given size (let's say 12
>> x 18) the image from a full-frame camera requires significantly less
>> magnification. An APS-C image gets magnified about 19:1 to make that
>> size print. Full-frame gets magnified 12.7:1 so using the same lens on
>> both, even if it's not a top-dollar lens, I can get a better print
>> from full-frame. Sure, when your print size gets *really* big, and
>> what you see on the print gets closer to what you see on your monitor
>> at 1:1 you'll need megabuck glass on your full-frame. But apparently
>> that is much bigger than the 13 x 19 that's my usual max. (Never say
>> never, though: I have access to some big wide-format printers at
>> school...)
>>
>> Making prints is a whole different game than pixel peeping.
>>
>> I expect Pentax will use a variant of the Sony 24MP sensor that's in
>> the D600, which is fine by me. But a 36MP sensor intrigues me not for
>> the additional (potential) resolution; I've been reading about its
>> superior tonality in B&W (which I'm leaning toward more these days). A
>> side effect of the Bayer pattern sensor, I expect - when you throw out
>> your color information you probably need a little extra spatial data
>> to make up for what you threw away in color data (similar to the way
>> large-scale contrast can make lenses appear sharper in color than they
>> "really" are in B&W tests).
>>
>>
>>
>> --
>> Mark Roberts - Photography & Multimedia
>> www.robertstech.com
>
>
>
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