Re: Camera image quality survey
- From: Pete A <pete3.attkins@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 29 Dec 2011 13:38:00 +0000
On 2011-12-29 12:41:35 +0000, PeterN said:
On 12/29/2011 6:09 AM, Pete A wrote:On 2011-12-28 22:58:14 +0000, Sharon Wang said:
On Dec 29, 4:47 am, "Charles E. Hardwidge" <nos...@xxxxxxxxxxxxxx>
"Robert Coe" <b...@xxxxxxxx> wrote in message
Debatable, but the operative point is that perception of image
highly subjective. That and the fact that a survey conducted as
will be extremely unscientific, make any result meaningless.
Surveys can also be badly formed and created simply as PR fodder to
polls or manufacture headlines. Results can also be withheld until
the outcome you're looking for, and so forth.
I never do surveys nor do I own a store card because I know the value
data and privacy. It's much now what with data being bought and sold,
datamining combining multiple datasets. Have to draw the line somewhere.
Charles E. Hardwidge
Those are possible but this survey is not for PR or manufacturing
I will post the results here once completed so nothing is sold and no
identifiable private information is revealed
I am only trying to get an idea about what people think when getting a
camera and feel
that there isnt (to what I've found so far) a survey that looks at
image quality in cameras in general. The ones I have found
have been looking at "Image resolution" instead of image quality.
Image resolution is one factor that affects image quality.
Very rarely. The limited 2 megapixel resolution of HDTV and monitors
does not prevent them from displaying stunning images.
I know this is not professional as I am only trying to get an
indicative idea with sufficient numbers
In regards to "Image Quality being primarily driven by the lens not
the body" .....
The lens is one of the first and important part to forming a good
Really? I was under the impression that knowledge of what makes a good
picture is far more important than the imaging quality of the equipment.
The lens will impart its own characteristics to the image. However, the
laws of physics dictate certain trade-offs e.g. a lens designed for
ultimate sharpness will have sub-optimal bokeh and vice versa. Which
design has the highest image quality?
but there are other factors such as, for example,
the type/level of compression used in the camera.
Overall image quality is application dependent therefore it cannot have
an across the board absolute value, relative figure of merit, or a set
list of significant factors that influence it.
If I wanted a cheap camera just for producing Web thumbnail images then
lens barrel/pincushion distortion would be my main concern; the quality
of JPEG compression and lens sharpness would be irrelevant.
These are thought-provoking:
You disappointed me. I was hoping you were going to say that image quality depends upon the artistic ability of the photographer. But, like too many others, you fell into the technical trap.
Nope! Read again my paragraph starting "Really? I was under the impression ..." I worded it to cause a few wry smiles.
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