Question on megapixel

[kababoom]

anyone knows how many mega-pixel i'll need to print A3 size? or any formula to calaculate to determine how many mega-pixel is required to print to a certain size?

Thks

 

[scramblur11]

As a guide for A4 will need 3.2MP...so think for A3 at least 5MP I guess....

 

[Pablo]

Hi,
What is the subject
What do you want it to look like
What quality from what distance

I have seen an A2 poster shot at 3mp that was awsome

:dunno: :dunno:

 

[Squid]

You may refer to this Clubsnap's thread to guide you in your decision making
http://forum.clubsnap.com/showthread.php?t=102952

or use guide given by Ken Rockwell ( http://www.kenrockwell.com/tech/mpmyth.htm )
"Long print dimension in inches = 4 x (square root of megapixels)"

 

[megaweb]

http://megaweb.clubsnap.org/articles/photosize.html

 

[kababoom]

http://megaweb.clubsnap.org/articles/photosize.html

thks for the link really ans my query