Go Back   Steve's Digicams Forums > Digicam Help > General Discussion

Reply
 
Thread Tools Search this Thread
Old Sep 29, 2011, 6:16 PM   #1
Junior Member
 
Join Date: Sep 2011
Posts: 3
Default question about 16mp pocket cam causing less detail ..

I just purchased the Sony tx100v and keep reading the higher megapixels cause blurry/less detailed photos. My question is, couldn't this be prevented by lowering the megapixels in the settings? Or does it have to do with the way the sensor is built to alow for more megapixels therefore effecting photos at any resolution?

Last edited by rufunky; Sep 29, 2011 at 6:20 PM.
rufunky is offline   Reply With Quote
Sponsored Links
Old Sep 29, 2011, 6:49 PM   #2
Senior Member
 
Steve40's Avatar
 
Join Date: Dec 2005
Location: Asheville NC
Posts: 187
Default

Lowering the resolution for all practical purposes, will only make it worse.
__________________
Steve Owen.
http://steveslandscapes.50webs.com.
Cameras: Canon G12, and A1200. Sony DSC-H90. Fuji HS35EXR.
"A true photograph need not be explained, nor can it be contained in words".
Steve40 is offline   Reply With Quote
Old Sep 29, 2011, 7:11 PM   #3
Junior Member
 
Join Date: Sep 2011
Posts: 3
Default

Thank you for the response.


Sorry, for what may seem to be a dumb question.

Could you explain why using lets say a 10mp camera shooting at 10mp and a 16mp camera shooting at 10mp would yeild different quality photos?
rufunky is offline   Reply With Quote
Old Sep 29, 2011, 7:38 PM   #4
Senior Member
 
TCav's Avatar
 
Join Date: Sep 2005
Location: Washington, DC, Metro Area, Maryland
Posts: 13,571
Default

Quote:
Originally Posted by rufunky View Post
I just purchased the Sony tx100v and keep reading the higher megapixels cause blurry/less detailed photos.
I can't imagine why anyone would say that.

Quote:
Originally Posted by rufunky View Post
Could you explain why using lets say a 10mp camera shooting at 10mp and a 16mp camera shooting at 10mp would yeild different quality photos?
A 16MP sensor will produce a 16MP image, but if you've set the camera to store a 10MP image, the camera's internal downsampling algorithm will reduce the 16MP image to 10MP. The microprocessor in the camera isn't very fast, so the algorithm can't be very good, or the camera won't be ready to take the next shot in a reasonable amount of time. That means the image won't be as good as a 10MP image recorded by a 10MP sensor.
__________________
  • The lens is the thing.
  • 'Full Frame' is the new 'Medium Format'.
  • "One good test is worth a thousand expert opinions." - Tex Johnston, Boeing 707 test pilot.
TCav is offline   Reply With Quote
Old Sep 29, 2011, 9:50 PM   #5
Junior Member
 
Join Date: Sep 2011
Posts: 3
Default

Quote:
Originally Posted by TCav View Post
I can't imagine why anyone would say that.
Something about the sensor being to small for 16mp. They also mention that is why Canon dropped back down to a 12mp camera with the Canon ELPH 300 HS.


Thanks for the explanation

Last edited by rufunky; Sep 29, 2011 at 9:52 PM.
rufunky is offline   Reply With Quote
Old Sep 30, 2011, 7:00 AM   #6
Senior Member
 
TCav's Avatar
 
Join Date: Sep 2005
Location: Washington, DC, Metro Area, Maryland
Posts: 13,571
Default

When you increase the resolution, you decrease the pixel pitch. When you decrease the pixel pitch, you increase the potential for noise. If you try to reduce the noise, you also reduce the detail. (Noise reduction algorithms can't tell the difference between noise and detail.)

My guess is that they were complaining about something they, themsleves, caused.
__________________
  • The lens is the thing.
  • 'Full Frame' is the new 'Medium Format'.
  • "One good test is worth a thousand expert opinions." - Tex Johnston, Boeing 707 test pilot.
TCav is offline   Reply With Quote
 
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 6:18 PM.