8MP / 4K Fixed Lens Camera Shootout - Dahua, Hikvision, TVT, Uniview

*** / ** ***** lens ****** *** *** common ** ***** **** lines, **** ****** ***** Chinese ***** *** ***** OEMs *** ******** ******** options.

** *** ***** ***** lens ***/** ****** ********* best *** *** **** compare ** *** ********** 4MP ******, ** ****** and ****** **** ******:

*** ****** ***:

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• ********* **-*********-*
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** **** ******** ******, we*************** ******* *** ****** major ********** *********:

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• ** ********/********
• *** ** *****
• *** ***** *******
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• ****** *******

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Performance ********

***** ** *** *****, camera *********** ***** **** three ******:

• *** *********:*** ********* **-*********-* ********* best ** ******** **********, with * *********** ** strong **** *****, *** light, **, *** *** imaging.
• ******* ***********:*****, *******, *** *** Hikvision **-**********-* **** *** weaknesses ** **** ***** and ********* ** ******, less ********** **** *** Hikvision ****.
• *****:*******, *** *** *** camera ********* ***** ** multiple **********, ****** ** hands **** *** ***** camera ******.

**** **** ***** ******** do *** **** ***** into *******, ******* **** at *******, *********, *** integration ******. *******, ** is ******** ** *** chart ***** *** **********.

Advantages ******** ** ***

** **** *****, **** *** ******* offered ****** ********* **** 4MP *** ********* **** 1080p ******. *******, ** our *****, *** ****** offered ***** ***** ******* advantages ** **** ****** over **** *** ****** generation *** ****** ******, shown ***** ******** ** the **** *** ***** performing ******* ** **** scene.

** **** *****, ** near ***** (~**' ********), facial ******* *** ****** in *** ******* *** to *** **** *** levels (~** ** ** models, ~** ** ***). Some **** *********** *** present, ***

** * ****** ******** (~60', ~**/** ***), *** details ****** ******** **** 4MP, **** *** **** providing **** ****** ******, not ******* ** *** 4MP *** *** ** cameras, *** **** ****** legibility ** *** **** chart. **** *** ***** performing *** *****, *** TVT *** ******, ******** better ******* ** *** subject *** ******** ***** of ******* ****, *** present ** *** *** camera.

** **** ****** **** IR ** (4K *********** *** ***** notably ****** **** ***, with ******** ****** ****** and **** ******* **** at **** ***** (~**'), at ~** ***/** *** respectively.

** ****** ***** (~**') 4K ********** ******** ******** to ******* ******, **** no ****** ******* ********* in *** ******. *******, in **** *****, ** coverage *** **** ****** than **********, **** **** cameras ******* ** ***** specified ** ***** (***/~**').

4K / *** ** ***** ******* (

***** ******* ** **** scenes **** ********** ** varied *************, **** **** illumination ********* **** ******* at ******** **** ***** range.

** **** ***** (~**'), the ***** ******* ******** the ******** ******* ** the ******* *** **** chart ** ~*.** ***, though ** ** ********** darker **** ***** *******, as ****. *** ********* 2385 *** ******* **** perform *********, **** ******** less ******, ***** *** Hikvision **** ********** *********** the **** ***** *** subject, *** **** ** other ******. *** *** camera ******** **** ******* text *** ******* *******, with **** ******* ***** than ******.

IR ************ *****

*** ******* ** **** test ***** ***/~**' ** range, *** **** **** noticeably **** ** **** ~60'/20m *****.

** **** *****, **** the ********* **** ******** any ******* ** *** subject ** ***, ****** none ******** *** **************. Others ********* * ****** object, ******* ***** *****, but ** ****** *******.

IR ********

********** ** ******** *** uneven ** *** *******, noticeably ****** ** *** edges ** *** ***** of **** **** ** the ******, **** ******* the **** ****** ********** full **** ** **** coverage (**** **** *********).

*** ******* **** ****** the ****** ***** ** the ***** ** ****, with ****** ********* ** the *****, *** *** less **** ***** *******.

** ********, ** ** extremely ********* ** ****** in *** *** ******, which ** *********** ******** in *** ****** ** the ***** ** ****.

*** ********** ***** ******** details **** *** ****** and **** ** *** field ** **** ** each ******, **** ******* notably ******** **** ******, while *** ********* **** and ***** ***** ******** only ********* ** *** edge ** *** ***** of ****. *** ******** no ******* ** ***.

Full ***** ***********

******* *********** ****** **** less ******** **** ********* at ***** *****, *** significant *********** ** ****** ranges, **** ***** *** the ********* **** ********** best.

** ***** *****, ******* are ******* ******* *** cameras *** ** *** high *** ***** (~** PPF). ******** ** ********** less **** ** *** Uniview ****, *** ******* are ******* *******.

** ****** ***** (~**'/~** PPF), *** ********* **** displays ********** ****** ******* of *** *******'* ********, as **** ** **** legible ****. ******* **** rougher ** ***** *******, especially *** ********* **** and *** *****.

Wide ******* *****

*** ****** ****** ************ ************** ****** *** ***. Performance ***** **** *** cameras ****** **********, **** Hikvision's ****** ********** **** in *** *****.

*** ********* **** *** 2385 ********* *********, **** providing ****** ******* ******* backlight *** ** ****** areas ** *** *****. Both *** ***** *** Uniview ****** **** *** the ******* ********** ******* strong *********, *** ***** provide ****** *********** *******. The *** ****** ******** worst ** ***, ******* out *** ******* ****** totally ******* ********* *** with ******* ******* ******* in *** **** ***** of *** *****.

FPS **********: **** ****** *****/**, *** **** **

**** ******* ** **** test ****** ** ********** true ** *******, ***** the ******** ******** ** FPS ********* *** **** vary ******* ** *** 20 ***, ***** *****. Of *** ******* ** this ********, **** *** is *********** * **** 4K ******, ******** ** FPS (********* ** *** tests).

** *** *****, *** cameras ******** ***** ******* framerate ***** ******* ******** frames, ********* *** ***, which **** * **** 30 *** ******, ****** others (***** ***** ** Exacq).

Bandwidth **********

*** ******* ****** ******* both *.*** *** ***** codecs, ****** ********* ****** drastically, **** ~***-*** **/* to **** * **/* at *****.

*** ******* ******** ** cameras ****** **** *** both *** (~*.* **/*) and ***** (~*.* **/*), with ******* ******* ***** of *** ****** *** day (~*.* **/*). ** contrast, **** ********* ****** averages ~*** **/* ** night, **** *** ****'* daytime ******** ******* ***** than *** **** (*** Kb/s **. ***).

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

*** *********** ******** ****** among *******, **** *.*** streaming ******* ** *** cameras, *** *.*** *** camera **** *** ******* much **** ********. ** review ***** ****** ** detail *****.

Basic ***********: *.*** *********

** *** *****, *** cameras ****** **** **** to ******* ** *** VMSes ***** *.***. **** that ********* ****** **** supported ** ******* ***** the ***** ******, *** not *** ****** ********* driver *** ** ************ ************. *** ******* *****, streamed, *** ******* ***** codec ************* **** *** VMS.

***** **. *********** ****** use ******** ********* ** the ****** *** ***, with **** ***** ***** a ****** ****** *** Dahua *** *********, ***** TVT *** ******* **** ONVIF.

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

*****, *********, *** ******* H.265 ******* **** ****** supported, *********** *** ********* properly ** *****, *******, Milestone, *** ******* *****. However, ***'* *.*** ****** was ********* **** ** Exacq *** *********.

**** **** *.*** *** not ****** **** ******** as **** ********* ******* H.265 **** ** ******** models.

Camera **** ***

***** *** ********* ****** side ****** **** ********* in *** ****** *****. However, ******* *** *** supported ** ********, *****, or *******, ***** *** was *** ********* ** Exacq *** *******, ******* that ****** ****** **** VMD ** ********** ********* must ** ****.

Pricing **********

******* ** ***** ******* ranged **** ~$***-*** ******/********* street ***** ** ***** America. **** **** ***** all ** ***** ************* OEM *** ****** *** may ** ******* ***** online *** ************ ***** such ***************, ***** *** ****** be **** ** **** these ****** *** ****. However, **** *** ****** or ********* ******** ** tech *******, *******,*********, ************* **** ************ ************ policies.

Test ***** *****

******* *** ****** ****** use ***** ******, ******* were ********* ** ******** from *** ****** ** achieve *** **** *** in **** *****. **** results ** ****** *********** in ***** ** ********* at ***** ***** *** background ***** ** **** seen ** *******.

************, ***** *** ******* were ****** **************, *** better ********** ** **** details ** **** ******** fewer ******* **** ** side ** **** *********** to ********* *** **** notable/interesting ********.

Firmware ******** ****

*** ********* ******** ******** were **** ** **** test:

• ***** *******: *.***.*******.**.*, ***** Date: ****-**-**
• ********* **-*********-*: **.*.** ***** 180718
• ********* **-**********-*: **.*.** ***** 180718
• ********* **-**********-*: **.*.** ***** 180718
• *** **-******: *.*.*.*(*****)
• ******* **********-******: *********-*************

Country ** ****** - *** *****

*** *** ******* ** this **** **** **** in *****.