Higher Resolution Cameras Need More Light?

By John Honovich, Published Dec 13, 2012, 07:00pm EST (Info+)

One of the most misleading myths is that higher resolution cameras need more light than lower resolution ones to provide quality night time video. The underlying premise behind this claim, pixel size, is a factor but one of many that impacts image performance. In this note, we share an excerpt from a distributor's catalog and break down how to best evaluate low light vs resolution:

Here's what Tri-Ed recommends:

"***** ********** ******* **** ***** ****** *** ********* ******* **** *****. **** means **** ******* **** ***** ** generate * ****** *****. ****** ********** cameras **** ******* ****** **** **** ******* ********** ******* ** light ** ******* **** ******* *****."

*******, **** ** *** **************. ***'* review *** **** ******* **** **** into **** *** *** *****:

  • ***** **** ****** **** ****** **********: There *** ** ******* **** **** 1/5" ******* (*******) ** **** ***** ****, **** 1/2" ******* (*******). *** ***** ** ********* ***********. Even ** *** *** ******* ** the ****** ****, **** **** *** check **** **** ******'* ****** **** is. **** ** ******* **** */*" imagers ***** ************ ** ******* **** significantly ****** */*.*" *******.
  • * **** ******: ********** ** **********, the * **** ** *** **** will **** * **** ****** ** low ***** ***********. **** ** *** have * ***** ***** ****, ***** a **** * ****** (**** */*.*) will ****** ********* ****** ** *** worse *** ***** *********** **** * higher ********** *** **** * ***** f ****** (*.*., */*.*). ** ***** more, **** **** **** ********.
  • ***** ********** ***********: **** ****** **** advanced **** ******* ** *** ***** image ********** ** ******** *** ***** image *******, ********** ** *** ****** size. *** ********, **** ** **** Axis ** ***** **** ***** *********** series (*** ************** *******). *** ****** ** '******' size (*/*") *** *** *********** ** in ***** **********.
  • ****** ************: ***** *******, ****** *** HD, **** ******** *** ***** ******* even *** *** **** ****** **** as ****** ** *******.

***************

*** ** ******* (**** *** *****), you **** ****** **** ******* *** light *********** ** *** ** ******* of ******* ************** (**** ******, **** selection, ***.), *** ** **** ******** imagers, ******** ****** ****** ***** *** improved ***** **********.

***** ***** **** ******* ** **** significant ** *** *** *** ******* resolution *******. ***** ******* ********* *** the **** ****** **** ** ** cameras ***, ** * ******, **** far ******* ****** **** ********** ** significantly ******* *** ***** ***********. (*** our** *** ***** ********). *******, **** **** *** ****** be *** **** *******. **** **** early ********** ** ******* *** ***** deficiencies **** **** ******** **** *** last *** *****, ** ****** * similar **** *** *****-*********.

***** ***** **** ** ***** ***** aware **, ********* *** ********** *** not ************ ***** *** ******* **** likely ****** ** **** *********.

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