PTZ Camera Guide 2016

Author: Ethan Ace, Published on Sep 15, 2016

Pan/Tilt/Zoom cameras remain critical parts of many surveillance systems, especially in large security operations. Because of this it is important to understand and consider the key elements in selecting and using PTZ cameras.

In this guide we cover the basics of PTZ cameras and their selection, including:

  • Pan/tilt/zoom basic terms
  • Zoom ratios explained
  • Using angle of view instead of zoom rating
  • E-flip examined
  • Available PTZ resolutions and their advantages/disadvantages
  • Form factor selection (speeddomes, mini PTZs, positioners)
  • Integrated IR PTZs
  • PTZ lens issues
  • Actual versus effective PPF
  • Presets and tours
  • Common applications

***/****/**** ******* ****** ******** ***** ** **** ************ *******, ********** in ***** ******** **********. ******* ** **** ** ** ********* to ********** *** ******** *** *** ******** ** ********* *** using *** *******.

** **** ***** ** ***** *** ****** ** *** ******* and ***** *********, *********:

  • ***/****/**** ***** *****
  • **** ****** *********
  • ***** ***** ** **** ******* ** **** ******
  • *-**** ********
  • ********* *** *********** *** ***** **********/*************
  • **** ****** ********* (**********, **** ****, ***********)
  • ********** ** ****
  • *** **** ******
  • ****** ****** ********* ***
  • ******* *** *****
  • ****** ************

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

Pan/Tilt/Zoom ****** ******

**** ******* * ****** **** * ********* ********* ***** ****** it ** **** ** ******** **********. ***** ********* *** ******** to **:

  • ***:****/***** ********** ********
  • ****:**/**** ******** ********
  • ****:**** *** ***

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

**** **** *** ****** ** ***** ******* *** ** ***** varies. **** ****** *** ** ******* ** ***° *******, **** may **** ***** **********, *** **** ****** *** **** **** only ****** ************* ** ********* **** ********. ***** ***** ****** on *** **** ** *** (******** *****) *** ********** ************/*****.

*-****

**** **** ******* * ******* ****** "*-****" ***** ************* ******* the ****** ***° **** *** ******** ** ********* * ******* directly ******* **. **** ** * **** ********* ******* ****** than ****** ***** ** *** ******* *-****, ** *** **** must ******** ****** *** ****** ** ****** *** ******* ** they **** *****.

**** ******* ***** *** ****** ******** ** ** ** ****** down ** *° *** ******, ***** **** *** **** **** control ** *******.

Zoom *****

************* **** ***** ********* **** ***** ***** ******* **** *****, e.g., ***, ***, ***, ***. **** ***** ** ****** ****** by ******** *** ******'* ******* ***** ****** ** *** *******, such **:

Use **** ***** *******

*******, ***** **** **** ***** ** ** ********* ** *** zoom *********** ****** **** *** *******. ***** ****** **** ********* wide/telephoto ***** *******, *** ******* **** *** **** ***** *** have **** ********* ****** ** ****.

*** *******, ******* ** *** ***** ** *** *** **** cameras, ** *** *** **** *** *** * ********* ***** of **** ~**% ******** (*** **** ****** ***) **** *** other *** ** ******* **** *****. *** *** ******* ** also ****, **** *** ****** ** *** ***** ****** * wider ******** ***** ** ****, ***** *** ** **** ****** in **** ************.

***** **** ****** ** ***** ****** **** ********* **** *** choose ***** ** ***** ******** ***** ** ********.

Ignore ******* ****

**** *** ****** ******* ******* **** ** ******** ** *******, even ** **** ***** *********** *** *** ** ****** * deceptive "***** ****" ******, **** ** **** ******:

*******, ******* **** ** * "****" ****, *** ********* ********** details, **** ********* ****** ******** *** ***** ***** ****** *********** be ******* ** ***** ** ***** ** **** ** ********* above.

*** **** ******* *** ********, *** ********** **** ********.

Resolutions *********

**** *** *** ********* ** ******* ** ***********, ** **** as ******** **********. ************, **** ****** *** ********* ******* **** not *********, ****** ** *** **** *** *****, ***** **** with *** **** **** ****** ******* *********, **** ****** ******* *********.

**** **** ** ** *** *********** ********** ** *** ************, due ** ***** ** **** ***** ****** ********* ******, ******** later ** **** ******.

PTZ **** *******

***** *** ***** ******* ***** ** *** ****** ** *** today, **** ********* ********* *** **********, ********** ** **** ***** and ******** *****:

*********

*** **** ****** **** ** *** ** *** ** *** speeddome, ***** ******** *** ******/**** *** ***/**** ********* ** * dome **** ******, ********* *-**" ** ********. ********** **** ******* advantages:

  • ***-********:*** ** ***** ************, ********** ********* ******* **** **** ** mount **** *********** ******* (*****), *** *** ** ******* ** a ******* ** *********. ****, *******, ******** *******, *** ***** mounts *** *** ******* *********.
  • ********** ** *********:******* ************* *** ***** ********** **** ********** ** (******** ******* below), ***** ******* ******** ***** ********** ** *** *****, ** speeddomes ************ **** **** ********** *****-**********, **** ** **** ******.
  • **** *** ******:********** *** *** ******* ******* ******* *********. ****** **** ***º per ****** *** *** ********, *** **** ***º *** ****** is *** ******* **. **** ****** ******** ** ******-****** ********, and ******* ******** ***** **** ********* ******* *******, ***** * fraction ** * ******.
  • ***/**** *****:********** ********* ******* **** ***º *** *****, ******* *****, *** 180º **** ***** **** *-****, ** ***** ******** ** ******** as **** **** ******* *** ******. **** ******* **** ******** tilt ****** **º, **** **** ******** ** ** **º ** up-tilt, ***** *** *******. **-**** ********** ******** * ***/**** **********.
  • **** **** *******:******** ** ***/**** *********** *******, ******** *****, ********** ** *** have ** **** ****** ** ****** *****, ***** *** ***** vibration ** ***/**** *******.

Mini ***

**** *** ***** *** * ********** ****** ***********, **** ******* manufacturers *** ******** ****** (*** ************ **** *** ******* *******). ***** ******* **** **** *** *** **********:

  • *** ****:**** **** *** **** **** ********* **** **** **** **********, often ~$*** *** ** ****, ******** ** $***-**** *** * speeddome.
  • ***** ****:***** ****** *** **** ******* **** ******* **********, ***** ** the **** ** * ******* ***** **** ****** (*-*" ********) and **** ******* ** ******.

*******, ***** *** ************* ** **** **** ** ****:

  • ******* ****:**** **** *** ********* ******* ** *** ******* **** ****** such ** **, ****** **** *** ** ***** ** ** ~10x. ******** ** ***** ****, ***** *** ** ****, **** is **** ***.
  • ******* *********** *****:**** **** ********* ** *** ******* **** ***° *******, *** e-flip ***** ** **********.
  • **** ***/**** *****:******* ***** ** * **** *** ** ********* **** ***, 30-90 ******* *** ******, * ******** ** ********* ******* *****.

Pan/Tilt ***********

***/**** *********** *** *** ****** **** ** ******* ****** ******, available ***** ** ********** *** **********. ***** ******* ************ ********* of ******** *********** ***** **** ******** **********: *** ********** ******, a ******** ******, *** **** ****.

*******, **** ************* *** ***** ***-******** ** *********** *******, **** as ******* ***/*********** ******.

*** *** ********* ** ***/**** *********** ** ***********. ***** *** choose **** ******** ******* *** **** ******, ******* ** ***** limited ** ********* ********* *******. **** ** ****** **** ********* long-range **** ****** *** ********, ** ****** **** **** **** are *********.

*********** **** ********** *** **** ****** **** ******** ************ **** desired ** * *** ******. *******, ********** **** ********** ** have *** ******* ****** **, ******** **** ***** ********.

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

  • *** *****:*********** ***** **** *** ***/**** ******, *** ** *** ****** and ******* ** ******* ******* ** ****. ********** ****** ***** lead ** ********* ********* *** "******" ** ******* ******* *** stopped ******, ****** ******** **** *********.
  • **** *******:*** ** ***** ********* *******, *********** ******* ** ******* ***** may ****** **** ********* *** ** ****, ***** ** ******* or *** ******* **** ***** **********.

***/**** *********** ******* *** * ******* ***** *** ******* ****** see ****** **** ********** *********** **** *******.

Integrated ** **********

*** ****** ******* ** *** ********** ** *** ******** ** integrated **, ********** ****** ***** ** *********** ****. **** ************* now ***** ********** ** **********, **** *******,*****,*********,**********.

********** ** ********** **** ************ ***-** ****** ** *** ***** at *** ******, **** ************ ** ***' *** ******. *** example, *** ********** ***** ***** * ***** ** *** ****** a ***-** ***** ** ~***' ********, **** *** ******* ******* displayed ** *** ** *****. *** ***-** *** ******** **** noise, ** ****** *****.

*******, ******* ** **** (*** *** ***) ** ****** *** issues ******** ******** ** ***** **** ** **, ****** ***** for * ******* ** ****, ***** ** **** *****:

PTZ **** ******

**** ******** *** ****** ***, ***** ****** ** ***** **** PTZ *** ***** **** ***** ****** ****** ** *** ******* images *** **** ** ******* ***** ****** ******,********* ** * ********* ** ********* ******* *********(*** **** ***** **** ** **** ****** *** **** ***********). ******* ** ****, **** *********** ****** *** ***** *** cameras, ***** ****** ****** * ~**% ** ****** ********* ** delivered *******.

*** *******, *** ***** ***** ***** * ******* ** ~***' using * ***** ******, ** ** ** *** *****. *******, details ********* *** ******* ** ~**-** ***, **** **** **** of ******.

**** **** ** **** ** *** ****** ********* ****** **** these *******. *** *******, *** *** *** ***** ******** * better ***** **** *** ***** ***** ** *** **** *****, despite *** **** ***** ****** ***.

PTZ ******* *** *****

** ***** ** **** *** ********* ******, ***** ******* ******* the ****** ** ****** ************* *********, ****** "*******", ***** *** be **** ** ******* **** *** ****** ** * ******** position. *** *******, *** **** ***** ***** ******* ******* ******** a ******* ***, ******* ****** ** ********** ***** * ***.

** ******** ** *******, **** ******* ***** (**** ****** ********) which **** *** ****** ************* ** * ****** **** ******** (typically ***** *-** *******). ***** ** ******* ******* **** ***** call ******* ** * ******** ***** (****** * ****** ****).

*******, ** *** ****, ***** **** ********* ******* ** ********* an ******** ******** ****** *** ******. **** ***** ** **** has ********* ****** *** ** *****, ******, ** ** ******* more ********* ** **** ***** ******* ** ****** ** *** camera ** ******, *** *** ******** *** ******** ********* *** use ********-**** ***** ****** *********, ***** *** ** **** ** ****** *****.

Most ****** *** ************

*** *** **** ****, *** ***** ** ******** ** ***** of ***** ********* ******* (*** *** **********), *** ***** *** ***** ************ ** ***** **** *** frequently ****.

  • **** ********** **********:** ******* **** ************ *********, **** *** ***** ***** ****, as **** ***** *** **** ** **** ******* ******* *** follow ******** **** ** ******** **** ***** *******. **** ********** is **** ***** **** ** ******, ****** ******** ********, **** as ********, ******** **************, **** ************, ***., ****** **** ***** retailers **** ****** **** *** *********.
  • ***** *****:** **** ***** *****,**** ** ****** ******** *** ***** ********* **** ******* ** fixed ********* ********** ** *** ****** ******* **** *** ******* ** **** range. *** *******, *** ***** ***** ******** ** *** *** cameras ******* ** *** ** ****, **** **** *** ****** resolution *** ********** ******* ** *** ******* ** **** *****:

Comments (1)

*****,

*** ***** "*** *** **** ****, *** ***** ** ******** in ***** ** ***** ********* ******* (*** *** **********), *** ***** *** ***** ************ ** ***** **** *** frequently ****."

***, *'** ******* **** ***** * ***** *** *** * made * *********** ********** ******* * *** *** * * Megapixel ******. *** *** *** *** ******* ****: ****://***.*************.***.**/*********-**-*****-****.****

******* ***** *'** ******* ***** *** **** **** *** ****** started ******** **** * ******* ****** ***** ******* * ***. Again, *** ******* ** ** ********** *** ****: ****://***.*************.***.**/*******-*******.****

***, ********* ** *******? ***** *** ** *** **** *** all **********? ****. ** **** ****** ** *** ***********.

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