Testing Axis' 1/2" Q1635 Camera

Author: Ethan Ace, Published on Nov 23, 2015

Low light performance continues to improve, first driven by advances in image processing and now increasing number of 1/2" imagers in 1080p HD cameras.

IPVM has recently tested new super low light, super low cost offerings from Hikvision and Dahua, and in this report we see how Axis' 1/2" Lightfinder model, the Q1635, stacks up.

We tested it against other large imager super low light models from Dahua, Hikvision, and Samsung, and past 1/3" low light leaders from Axis and Samsung in multiple scenes, including outdoor low light scenes including a dark field area (left) and a moderately lit parking lot (left):

Along with these scenes, we checked bandwidth, configuration, and other factors to see how it compares to these low cost leaders and others.

*** ***** *********** ********* ** *******, ***** ****** ** ******** in ***** ********** *** *** ********** ****** ** */*" ******* in ***** ** *******.

**** *** ******** ****** *** ***** *** *****, ***** *** cost ********* *********************, *** ** **** ****** ** *** *** ****' */*" Lightfinder *****, *** *****, ****** **.

** ****** ** ******* ***** ***** ****** ***** *** ***** models **** *****, *********, *** *******, *** **** */*" *** light ******* **** **** *** ******* ** ******** ******, ********* outdoor *** ***** ****** ********* * **** ***** **** (****) and * ********** *** ******* *** (****):

***** **** ***** ******, ** ******* *********, *************, *** ***** factors ** *** *** ** ******** ** ***** *** **** leaders *** ******.

[***************]

*******

*** ***** ******** ******* ******* ** ***** */*" ***** *** ***** models ** ***** **** *********** ********** ** ******* ** ***** ****** (*** ** *********), ***** ************* **** ********* **** ***** ***** *** ***** models. 

*******, ** ******** ****** ****** **** ***** */*" ****** ******, ***** *** make ** **** ******** ** **** *** ***** (***** *.* lux), ***** ******* *** *** ********, **** *********. ***** ******* for **** ********* ******* ** ***** ****** *** ****** ****** served ** ********* ** ***** */*" ******.

*** ***** ******* ** **** ** *** **** **** *** requiring *** ******** **** *** ***** (***-**) ***********, *** ***** offers ****** ******* **** *** ***** **** ***** ** **** tested.

*************, *** ********* **** ** ******** **** ***** *** ***** performance, ****** ********* *** ************* ****** ******* ** *** **** ** Dahua, ********* *** *******.

Notable ***** ********

*** ********* *********** **** ******** *** ******* ********* ******, ****** ********** noticeable ******** ** *** ***** **** ***** *** **.** ********* ******* lens, ******** ******* ** *** ****** ** ***** *******.

*** */*" ***** ********* ************* ****** **** *** */*" *********** *****, the *****, ** *** ***** ****** ***** **** **** **** (<0.01lx) ***** **** ******** **** * ***** *****.

*** *****, *** ** ********* ********, *** ** *** *** lowest ******** ** *** */*" ***** *** ***** ******, ***** 1 **/* ** ~*.** ***. ********* *** ***** ******** *-** the *********.

*******

*** **** ***** ***** ***~$*,*** *** ******, ********* * ***** **.* ****.

**** ******* ** ************* ****** **** **** */*" ******, **** ** Dahua, *********, *** *******, **** ** **** **** ****** **** as *** ***-*****, ****'* */*" **********.

Physical ********

**** ***** ******* *** ******** ************ ** *** *****. **** that ********/******** ******** *** ****** ********* ** *** *****, **** the ***** *********** ***** *** ****** ****** *** ************* **** (F1.6 *-***** **** ******* ****). **** **** ** ****** ** large ** *********'* **.** ******* ****, **** ****** **** ******** ******.

*** ***** *** ***** **** ******* ******** ********** ********, **** as ***** *************, ***** *********, ******** **********, ***.,******** ** *** **** ** *** *****.

*** ***** ***** ***** *** ******** **** ** *** *****'* image ****** (*/*") ******** ** *** *****, ********** *******.

Hikvision **.** **** *******

******* *** ****** ** *** *********** ***** **** ***** ** noticeable ******** ** *** ***** *** ****** ***** ** *** Hikvision *********** ****** **** *** **.** ****. ** ****** **** lens ** *** **** ***** ** *** ** **** ******** was *******, *** **** *****, ******* *** **** **** ** the ********* **** ** *** ** ****** **** *******.

** *** ***** (~*.* ***), ** ***** **** ******* ** our **** *****, ** **** ** *** ***** ** *** chart ****** **** **** ******* **** ***** *** ********* ****. Using *** **** **.* **** ** *** ********* ******, *** scene *******, *** ***** *** *******. **** ******* ** ** overall ******** ***** ***** *** ********* ******/****, *** ****** ** ** increase ** ****** *******, ** **** *** ****** *** ** less ***********.

Open ***** *******

** ****** *** ******* ** *** **** ***** ******* ******, first ******* ****** *** **** ** * ********/**** *****, ***** ~0.01 **. ** ******* ****** **** *** ******** **** ****** on.

** **** *****, *** ***** *** ****** **** ***** */*" ****** models ******, ****** ******* ********* *** ******* ******* *** ** the ********* ***** ** ***** ******* *** ******** ** *** Hikvision ****. ** ** ******* ******** **** *** */*" *****, ***** produces ** ***** ** *** *******.

******** ***, *** ***** ** ~**. ******* *** ******* ****, **** Axis ******, ********* *********, *** ****** ******* *********** *******.

***** *** *****

******* ******* **** ***** **** ** *****, *********** ********* ** *** cameras *** *** ********* *********** *****. ** **** ******, *** increased ***** ********** ***** *** *******'* ******* ******* ******* *** green ***** **********.

Parking *** *******

**** ** ****** *** ******* ** * *** ******* ***, ~0.3lx ** ******, ********** ******, **** ****:

*** ** *** ********** ****** ******** ** **** *****, *********** of *** ******* ** ******, **** *** ******* *** ***** easily ************ ** *** ******* ** * ~**' ****.

****** *********** ****** **** ********** **** *** *** ** ******* to ~**', ****** ******** *********** ** ***** **** ****** **** in ***** ***** ******. ** **** *****, **** *** **** cameras ** *** **** *** *** *****, ***** *** ***** cameras ****** ***, ** ******* ******, **** *** */*" ******* SNB-6005 ***** *****.

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

******* *** ******* **** ***** ****, *********** ** ******* ** monochrome. ****** ** **** ***** **** *** ** ********** ** in *** ***** *****, **** *** ***** ***** **********. **** objects **** *****, *****, *****, ***., ** **** ***.

Indoor ***********

*******, ** ~*.** ***, ******* *** *******. ********* *********** ******** the ******** ****** ** **** *****, ******** ** *** ***** starlight *****. **** ** *** ***** ******* ******** ****** ******* of *** **** *******.

** **** *** *****, ***** ~*.** ***, **** *** ********* and ***** ******* ******* ****** ** ***.

 

Bandwidth ***********

*** ***** *** *** ****** *** ***** ******** ** *** camera ** **** ****, *** ** *********, ********* **** **** 1 **/* ** **** ~*.* *** *** ~*.** ***. *** next ****** */*" ***** *** ***** ***** *** *** ********* DarkFighter ****, ***** ******** ***** *.***+ ***** ***** (******* ** Zipstream). **** **** **** ******* ****** ****** ************ ** **** low *****, ****** *** ******* ** ***** **** (~** **/* and ** **/* ** *** **** *** ****, ************). 

Test **********

******* **** ****** ***** ******* ********, **** *** ********* ******** applied ** *** *******:

  • ******* ***** *** *** ** * ******* ** */***
  • *.*** **** *******, ** ***, ~** ************ *** ****

*** ********* ********/******** ******** **** ****:

  • **** *****: *.**.*.*
  • **** *****: *.**.*.*
  • ***** ***-*******: *.***.******* **.*.*, *****: ****-**-**
  • ********* **-***********-*: **.*.*
  • ******* ***-****: *.*********
  • ******* ***-****: *.*********
  • ***********: *.*.*.***** 

Comments (19)

[****: ****** ** **** ****** ******, ** ******** *********** ************]

*** *** ****** ****, **** ******* ******* *** **** **** outdoors ** * **** *** ***** ***** ***** ****** ******** light, ** ** ** ** ***** *****! ** *** ****** accept ***** ******, **** ** *** ******* ** ***** ** a ******.

"*** *** ****** ****"

****** ** ** *** *** ** *** ********...

**** ****, * *** ***** ***, **** ** ********** **** conditions, **** ************ ******* ***** ***** *****. **'* **** **** that ** ** ***** ******* ***** * *** ** *******.

*****, *** ******'* ****** ** ** ****************** **** ****** ****** ** *** ******?

** **, *** * *** *** ***** ***'** ****** **** when *** ***

**** ******* ******* *** **** **** ******** ** * **** low ***** ***** ***** ****** ******** *****, ** ** ** or ***** *****!

***

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

*** ** ******

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

**** ****, ***** ******* ** ** ***** ** *** * little ******** ** *****?

* *** *** **** ** **** **** ***. ** *** end ** *** *** * ***** ** **** * ****. quality ****** **** *****, ***** *** ******.

** *** ** *** ***** **** ** **** ****.

*****, **** ******** ********** ******** ************ **** *********** ** ********** products. *'** ***** **** ** **** ******** *******.

* **** ***** *** **** ** **** ******* *** ******* to ******** ** ***** ** * ******* ** ****** *** I'd ****** *** ** ****** **** ****** **** ***** *******.

*'* ****** *** ** ****** **** ****** **** ***** *******.

**** ****. **'* *** ***** *** **************** ** *******. ;)

***'* *** ******* ** *******, **? :)

******, *****'* * *** ********** ******* **** *****:

**** **** ** ************ ********* **** ***** ***** ** *********?

** ** ** *** **** ** ***** ***********, ***** *** low ***** ******* ***** **** * *** ********** ** ********** dark ********** **** *** ***** *******. *** **** **** *********, color *********** ** ****** ********.

**** *****, ***** ** *.** *** **** *** ****. *** is ** ****** *** **** ** *** **.

***, ** *** ** ********* ***** ******* ******* ** *****, they *** *** **** ********* ****** **** ***** ************.

*** *** **** *** ***** ** ** ************ ** ***** images ****** *****, ** **** ******* *** **** **** *** worse **** ********.

***** ******* *-**** ** *** **** **** *** *** *** light? ;)

** ****** ****, * **** ** *****; ***** ****** ******'* be **** ** * ****** ******** ************.

***, **** ** ***** ** ** ******* *****-***** ***** *** ** ****, ************ ** ********* ** * way ** ********** ** ****** ***** ** ******* **.

**** * *** ****, *** ***** ************* ***** **** ** illumination = ******, *** ***** *** ***** ******* *** ******** better ****** *** *****, ********** **** **** ******** ***'* ******* spending **** ** **** **** *** ******!

* **** *** ******** ******* **** **** ******* ** *** light *********, *** ***** **** *** ***-***** ******** *********** ** Axis' **** ****-****, *'* **** ** *** *** ** ********.

***** ***, **** *** **** ***********!

** **** *** *****, ***** ~*.** ***, **** *** ********* and ***** ******* ******* ****** ** ***.

****, ***** *** **** **!

**** *** ****** *** ******** ***-***** ********** ********* ** *** market, ~*.** *** ****** *** ** *** **** **** ** usability.

***** ** *** *** ************* ******* .*** *** .**** ***, what *** **** *******?

** ***** ** *********** ** *** * **** ** *** light ******* ** ****** ******** ** *** ** ******* ****** can ** **** **** *********** * ****** *** ******* * camera. ** **** * **** ****** ******* *** ** *** to ****** **** *** *** ***** * *** *** ****** other ******** ** ** **** ** **** * ******* ***** at *****. ** *** ****** **** ******* *** ******** *** after **** ********** ** *** **** ******** ***** **% ** plates ******** *** ***** ** **** ****. ** ***** ** good ** *** **** ***** ******* *** **. **** *** light **** ***** * ******* ***** ***** **** ***** ** and ** ***** **** * ********** ****. *** ***** **** pretty ****, *** *** ****** *** ** ****. ** ** did *** ** **** ** *** * **** **** ***** image ** *** ******* *****, *** *** **** ****** ** reading ******.

*****,

*** ****, *** ******* ***** ***** **** ** ** ******* / ****** ** **** ********. ** **** **** */*** ******* but **** * ****** *******, ******* * ***** ***** ***** require */**** ** */****, ***. (********* ** **** *** **** it **). *** **** *** ****** ******* *****, **** ***** less ***** *** * ****** *****.

** **** ***, ** *****, *** ****** **** ** *** getting ******* ****** ** ****** ********. *******:******* ***** ********

****,

****, ** *** ***** ** *** ** ******** *** ******* speed ****** ***** ***** ***** **** *****. * **** **** at *** ***** ***.

*****, *** ***** *****/********* ******* ****** ************. ** **** ****-***** situations, ****** ************ ** ********** ******* *** *** ** ******. Please ** *** ****** **** **** ***********, **********, ** ************ self-interest *********** ******** ****'* *****.

**** ** *** ** *** *** ****** ********** ********* ****** comparison *****, ********** ***** ** *** ****** ** *********. ***** work *** **** ************ ******* ** ************** ***** ****** ***********, insuring ******** ***** ****** ***********, ************ *****-**** ***********, *** *********** relative *********** *********** ******* ****** ***********/*********** *********.

*** **** *** **** *-******':

-***********

-***

-*********/********* ********

***** ** ******* ****'* **/** ******?

** *****'* ****** *** */*" **** ** *****, ** *'* not **** *** ** ******** ** *** **** *****, ***:

*** **** ***** *** ********** ****** ** *** ***** **** the **** *****, **** */*" ***** ******.

****'* *** *** ******* ** ****' ******** ******* (*********** *** *******).

********* ***'* * *********** *******. **** **** **** *********. ** would * *** ** ***** ***** ******* **. ******* *******. Sony ********** **** **** **** "*********** ******" ** ******* ******** * ***'* ***** ****'* ******** ** *** **** ** the **** ***.

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