Dahua 12MP Fisheye Camera Tested (NK8BR4)

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Ethan Ace
•Published May 16, 2018 13:11 PM

********** *** ******** ** **** ****** fisheye *******, ** ****** *** ****** the***** ******, *********:

  • ******* **. ********* ********
  • ***** *** ***********/*********
  • ***** ***** *** *********
  • **** ***** ***** *******
  • *** *****/** ***** *******
  • ** ************ *****
  • ***** ***** *******
  • ********* ***********
  • ******** ************

******* ****** *** *** ***** ** other **** ***** ******* ******, *********:

** *** **** *****, ** **** publish * ******** ******* *** ** those ******* *** **** ****** ***** to ** ******.

*******

*** ****** *** ******* ********* ** our *****:

  • **** ** ********/*****:*** ****** ********** ** *********** ******** better ***** **** **** ******* ********** tested, **** **** ****** ********* ** the ***** ** *** ***** (**** using ********* ********).
  • *.*** ***********: *.*** ******* ****** **** ** ****** in *****, *******, *********, *** ******* Optix, **** ******* ********* **** **** H.265 ** ******* ** **** ******.
  • ***** *** ********* *****:*****'* *** ***, ***** *** ******* additional ********* ***** (******** **** *****, split *******, *** *********) *** ********* in *****-***** ***, **** ****** ********** by ******** ** ********** ******* *******, which *** ** ****** *** *************/********** users.
  • ***** ****** **** *********:******-**** ********* ****** ******** *** ******* issue ** ***** ***** ***** ***** the *********** *** (*****, *******, *********) and ********* ***** ********* *********.

*** **** ******** ** *** ****** in *** ******* *** *** *** of *** ********** ******* ********, ***** significantly ******* *** ***** ***** *******, with ******** ********* ** ****** ** ~20' ******** *** *** ******. *******, after ********* ********/**** ******** *** ******** digital ***, ********* ****** ******* *************, with ******** ****** ** ******* *** the ********** ***** ***********.

***** ********** **** *** ****** *** these ******** ******* *** *** **** that ***** ******** *** ** *****, simply ********* ** ***** ********** ** poor ***********.

*******

*** ****** ***** *** ~$*** *** online, ********** **** ********* **** *********** models, **** ** *** **** *****-**** (~$850), *** ******** **** ********* **** Hikvision's **-********-** (~$***). 

Physical **********

*** ****** ** ******* ** **** and **** ****** ** ***** ******* models ******, *** *** *** *** differences:

  • ***** ****:*** ***** ******* **** * ~*' cable ****, ***** **** ***** **** models ****** **** *********** ******** ** the ******. ** **** ***********,*********** **** ******* ******* ******* ******* cable *****. 
  • **** ******* *******:***** **** ***** ****** ****** *** IR **** ******* * ***** *****, which ******** ***** ***** ********, *** Dahua ***** ****** **** ******* ** the *******. **** **** **** ** mainly ** ********** *****, ** ** saw ** *********** *********** ******* ***** styles ** **** ** ***** *****.

** ****** ***** *** ***** ******** in **** ******** *****:

Default ******** ****** *** ***** ***********

*** ****** ******** ** "****" ******** mode, ***** ****** ********* **** ******* and ******* *** ***** ***********. ***** on *** *******, ** ********* *** key ******** *******:

  • *** "******" ******** ****, ***** ****** ******* and **** ** ** *** ****** specific ****** (*-**** *** *-***% ************).

  • ****** *** (******* **** ** **** model), ***** ******** ******* ***** ********** by ********** ******** ** **** ***** of *** *****. **** **** **** change may ****** **** **** ******, **** as ***** ****, ***** ** *** comparison *****. 

***** ************ ** ********** *** ********** useful ** ********* ********, **** ******** visible ** *** **** ** *** room (~**' ********) ***** **** **** previously **** ********* ** ******, ** possible ** ***.

******* ***** ******* ** ******* ********** improve *** ********* ** *** ******, we **** **** ********* ****** ** comparisons *****. *** ***** ******** ** fine ****** ** ****** ********** ** improvements ** **********.

Imaging ***********

** ***** *****, *** ****** ***** ***** details ** *** ******* ** **** light *** **** ****** (**** ** on), **** * ******** ********* ** subject ****** ** ***** *** ***** scenes (~*.***). **** **** *** ****** did *** ********** *** ******* ** this *****, ********* ** **** ****** below.

******** ******** ** ~**', ******* ******* ****** strong ****** *** ***. *******, *** light *** ****/** ******* **** *************, especially ** *** ***** *****, ***** the *******'* **** ** ***** ******* recognizable ** *** **** **** ** on.

Even ** ********

*** ***** **** *******'* ********** ** illumination *** ********** ****** ******, **** the ***** ** *** ***** ** view (**** ** *** **** **** below) ******.

*******, ****** **** ****** ******, *** NK8BR4 ********** *********** *** ******* ** the **** ** *** ****, ** ~25' *****. **** **** ******** ****** so *** (**** *** ********* ** the**** *****) **** ****** ** *** ******** at **** ********.

Smart *** *********

*****'* ***** *** ******** ******** ****** side ********* ** *** ****** *** other ***** ******* ******, **** ******* view ***** *** **** ** ***** party *****, **** ** ******** ******** view ***** (*, *, *) ** a ****** ****, ** **** ** the ******* ** ***** ** *** overview ** ******** ***** ** ****/**** the ******* *** ******, ****** *********** faster *** ******.

VMS ****** **** ********* ***** ***********

** *** *****, *** ****** *** dewarped ***** *** *********** ****** ** Exacq, *******, *** *********. *******, ** is *** ****** ** ** *********** Enables ****** ** *********** *** ***** tells ** **** ** **** *** use ** *********** ****, ** **** dewarping *** *** ** ******** ** the **** ********.

******-**** ********* ** ******** *** *** supported. *** *** ****** *** *** allow *** ******.

******* ***** **** *** *** *********** universal ********* ******, ***** ****** ******* issue ** *** *****.

H.265 ******* ** *****/*******/*********/*********

*** ******'* *.*** ****** *** ********* in *****, *******, *** ******* ***** without *****, **** ** ********** ***** required ***** **** ****** *** ****** to *** ***, **** ** ******** stream ********* ** ****** *************.

**** ****** *** ****** ** ********* XProtect ***** *.***, *** ****** ****** be ******** *** *** ****** *** interface ***** ** ********** ** ****** to *.*** ** *** ******** ********** Client. *** ***** ** ****** *** client ** ***** ****** *** *******. Once **** ** ********, *.*** ****** without ***** ** ********.

Smart ***** *******

*** ***** ******** *****'****** *.***/*.***+ ***** *****. ** **** ***** ***** ***** ***** cameras, ** ******* *** ************* *** provided, ****** **/***, ****** ****** **** as**** ********* *,******** **** ***** *****, *********'* ***** ****** ***, ***** ***** ************* ** ******* settings (*** ******, ***********, *** *********).

***** *****'* ***** *****, *.***/*.*** ******** decreased ** **-**% ** *** *** night ****** ******** ** ***-***** ****** (Smart *.***+ **. *.***, ***** *.***+ vs. *.***). 

Firmware/Software ******** **** 

*** ********* ***** ******** *** ******** versions **** ****:

  • ***** ******: *.***.*******.*.* ***** ****-**-**
  • ***** ***** ***: *.**.*.*.******
Comments (4)
UI
Undisclosed Integrator #1
•May 16, 2018

Are you able to include something similar to a sun-lit lobby with glass windows or door for the shoot out (wdr)? Can’t wait.

Avatar
Ethan Ace
•May 17, 2018
IPVM
In reply to Undisclosed Integrator #1

We have a lobby we test in but it unfortunately faces north, so isn't particularly harsh. But for panoramics, it might be fine. We also typically test in against an open warehouse door and a man door facing south. 

Avatar
Jon Dillabaugh
•May 19, 2018
Pro Focus LLC

I love Dahua USAs new part numbers! (NOT!) I believe this model is really the same as the older DH-IPC-EBW81200 model, maybe with a firmware update. Maybe one of the Dahua OEM guys can pitch in here and confirm/deny this. If so, we have been using this model for a few years now with OK results. They work well in small overview areas. We generally prefer the Samsung/Hanwha fisheyes. The biggest drawback to the design of the Dahua fisheyes is the silly mounting plate. It is a PITA!

U
Undisclosed #2
•May 19, 2018
IPVMU Certified
In reply to Jon Dillabaugh

I believe this model is really the same as the older DH-IPC-EBW81200 model, maybe with a firmware update.

If in doubt ask the IPVM comparator:

(1)
(2)