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Old Mar 6, 2005, 7:48 PM   #1
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Which would give better results witha tripod mountedFZ20: Taking a picture at 48x (12x optical and 4x digital), OR, Taking a picture at 12x (optical)and resizing up 4x in photoshop? Can one trust the camera to do a better job or software? This is being discussed elsewhere, and input is appreciated.
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Old Mar 6, 2005, 9:40 PM   #2
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Hi, I think (from my experience) that you should do the resizing in post-processing. If images have noise (for example due to high ISO) then that noise is resized as well on the camera. On the other hand if you remove noise and then interpolate (like using 110% bicubic interpolation in steps) you should get really good results.

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Old Mar 6, 2005, 9:50 PM   #3
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i say if it moves shoot it ..don't let the moment slip away because of what you heard about digital zoom.
i've got some very good result at 3x digital and below sometimes 4x...
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Old Mar 7, 2005, 1:02 AM   #4
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I agree with Jazz. I always was taught photography from a "true photographer's perspective". In other words, shoot full frame, in more other words (trying to remember back to the art school daze) you shouldn't have to crop, the picture should be perfect. We used to print our negatives with the the black border to show that we didn't crop. This seemed to be the sign of an experienced photographer. Dare I say, "Master Photographer" (the servant waits, while the master, baits). At school, the photography majors were going for their masters, and would frequently talk about being "a master photographer". Primarily my ex and his friends, but there wasn't an hour that went by when Ansel Adams wasn't mentioned. I thought they were all posers. So in my spare time I read Ansel Adams books (The Camera, The Negative, and The Print). I didn't really get much out of the first one b/c it was all about view cameras, which I can use, but definitely not well. And just to show the dominant sex, I mastered Ansel Adams zone system. I even sat in (audited) the class taught at Parsons School of Design just to put the icing on the cake. I broke up with my beau b/c I was a better photographer than he was and it wasn't my major, and he kept competing with me, and I am not the competitive type, just love to seek out knowledge, b/c I was truly interested in photography.

Sorry for the tangent, it is late, and my nose is back against the grindstone (heavy workload). I would just guess that you would yield greater quality if you used minimal or no digital zoom and then cropped and enhanced later. B/c lets say you do an extreme crop but the quality is too poor, you could always re-crop wider and retain more quality, but if you zoomed in, in camera, and when you displayed the pic on the screen and that quality was too poor, you would be stuck with it. But I don't do it that way. I usually have my digital zoom on, always, plus I love how the zoom stops (almost seems to get stuck) at 12x before it zooms in more, which is handy when you don't want to go into digital, but you also don't want to shut off the digital zoom feature.
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Old Mar 7, 2005, 2:44 AM   #5
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I agree with Nancy ... you need to compose and fill the frame
when you shoot ... if digital zoom is needed so be it.
You must get the compo right in the EVF ... pp zoom is not the same.

As for Adams His Books and the Zone system well say no more ...
I still have my weston V light meter with zone dial ;-)
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Old Mar 7, 2005, 5:38 AM   #6
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Have a look at this thread. I posted some test photos there. Photo-Paint resizing is the clear winner against the FZ3 digital zoom. With Photoshop the results should be similar.
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Old Mar 7, 2005, 7:18 AM   #7
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Stoney79 wrote:
Quote:
Have a look at this thread. I posted some test photos there. Photo-Paint resizing is the clear winner against the FZ3 digital zoom. With Photoshop the results should be similar.
I think you miss my point with due respect.

It's not a case of PP versus camera proccessing its the fact you need to FRAME it right in the EVF even if digital zoom is needed .... bad framing can't be compensated by PP cropping later in all instances ...
The position and relationship of the main subjects are important you need to get it right in the viewfinder (EVF) even if digital zoom is needed.
PP cropping has limits it cant always work in getting the best compostion.
Its not just PP versus in camera PP pixell thing... its the composition the story the mood of the image NOT pixell perfection.

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Old Mar 7, 2005, 8:01 AM   #8
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boyzo wrote:
Quote:
Stoney79 wrote:
Quote:
Have a look at this thread. I posted some test photos there. Photo-Paint resizing is the clear winner against the FZ3 digital zoom. With Photoshop the results should be similar.
I think you miss my point with due respect.

It's not a case of PP versus camera proccessing its the fact you need to FRAME it right in the EVF even if digital zoom is needed .... bad framing can't be compensated by PP cropping later in all instances ...
The position and relationship of the main subjects are important you need to get it right in the viewfinder (EVF) even if digital zoom is needed.
PP cropping has limits it cant always work in getting the best compostion.
Its not just PP versus in camera PP pixell thing... its the composition the story the mood of the image NOT pixell perfection.
If you can frame it right with digital zoom, you can frame it right with cropping as well, becausethe wholedigital zoom picture is part of the picture made without digital zoom.And getting the best composition withcropping is even easier than getting the best composition with the camera handheld at 1700mm without a tripod.
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Old Mar 7, 2005, 9:58 AM   #9
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I found this in the Yahoo FZ20 forum, I have not personally done the test, I will.



[align=left]>
>
> I too use Photoshop and I challenge you to take a photo... one after
> the other using 12x optical zoom and 48x digital zoom. Then crop the
> 12x pict to the same image size in your post editor. I find that you
> get a better picture at 48x zoom than at 12x that is cropped... Lets
> see some results... Put your pixels where your optical zoom is!!!
>
> I used to belive like you until I did the real test...
>
> patrick

I agree - I have used the 48X digital, for some very far away shots, and
the results have been pretty good, much better than trying to blow up a
12X with Photoshop, or any other editor. I think you get a better shot to
begin with...

Did take some GREAT pics of the moon!

R

--
Roger Phillips
AMA #387890[/align]
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Old Mar 7, 2005, 10:38 AM   #10
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Well, so either the FZ20 digital zoom is much better than the FZ3 digital zoom or the Photo-Paint algorithm is much better than the Photoshop algorithm, because my test shows the opposite... :roll:
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