Tested: Quality Worse Dome Bubble On?

Author: Ethan Ace, Published on Dec 11, 2014

Often, industry professionals will warn about three problems with using domes:

  • The dome bubble degrades image quality
  • The degradation is worse with megapixel cameras
  • The degradation is worse through the side of the dome bubble rather than the center

But is this true?

We tested six cameras from four different manufacturers in multiple scenes, through both the center and side of the dome to find out.

We answered these key questions:

  • How much practical impact do minidome bubbles actually have on image quality?
  • Do different regions of the dome vary in the resolution they can deliver?
  • Do they impact multi-megapixel cameras more than typical HD 720p/1080p cameras?

*****, ******** ************* **** **** ***** ***** ******** **** ***** domes:

  • *** **** ****** ******** ***** *******
  • *** *********** ** ***** **** ********* *******
  • *** *********** ** ***** ******* *** **** ** *** **** bubble ****** **** *** ******

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

** ****** *** ******* **** **** ********* ************* ** ******** scenes, ******* **** *** ****** *** **** ** *** **** to **** ***.

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

  • *** **** ********* ****** ** ******** ******* ******** **** ** image *******?
  • ** ********* ******* ** *** **** **** ** *** ********** they *** *******?
  • ** **** ****** *****-********* ******* **** **** ******* ** ****/***** cameras?

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

Key *******

*** **** *******, ***** *** *****, ***** *** ****** ********** in ********* ***** ******* **** **** ** ****** ***, ** either ****** ** **** ****** ** ****. **** **** **** text *** **** ******* **** *** **** **.

*** *****-********* *******, **** ** *** **** ** **** ****, image ******* *** ********** ******* **** **** **, **** **** details **** ** ***** **** **** ********* ** ****, ****** facial ******* **** *******.

***** ******* ******* **** *** ****** *** **** (****) ** dome *** *******, **** ** ********* ********** ** ******* *********.

Image ********

******* **** **** ******* **** ***** *************, **** ******** *** full ****, ** ***** **** ***** *** ****** ********* ********** in ***** ******* **** *** **** ** ****** ***. ** the ***** *** **** ******* ******, ******* ********* **** ****** the ****.

*** ********** ***** ***** ***** **** ******* **** ** ****, in * ~**' ********** ***** ** ****, **** *** *** row ******* *** **** **, *** ****** *** ***.

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

******** *** ***** ** ****, ******* **** **** ** *** off *** ***** ******* ** *** ****/***** *******. **** ** one ********, ***** **** *** **** *****, **** ******* ******* with *** **** **, **** ****** *** **** ***** ******* harder ** *******.

Effects ** *****-********* *******

****** *** ********** ******, ** *** **** ******, ******* **** slightly ******* ** *** ****, **** ***** (~*/*" ****) **** more ********* ** *******, ****** ****** ******* ******* *** ** very **** *** (~***).

*** **** *** **** ** * ***** ***** ** ****, ~77 ***, **** ****** ******* *******, *** ***** **** **** difficult ** **** ***.

Dome ****** ****** ****

***** *** ** ********* ********** ******* ******* ******* ******* *** center ** *** **** *** ***** ******* ******* *** ****.

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

** **** ** * **** *** **** **** **** **** here:

Comments (19)

****,

**** *****'* **** **** **** *'** *****. ***** ** * noticeable ********** ** **** ***** **** *** ****** ** ****** with *** ****** *** ** **** ************. *** ********** ** exacerbated **** "****" ****** *** ***** **** ***** ******* *** edge ** *** ****. *** ***** *** ** ******** ** focusing ******* *** ****** *** **** ** * **** ** handle.

**** ************* (********* ************ *** *******) ******* * "***** ****", which ** ********* * ***** ******* ** * ******. ***** that ** ********** **** ***** **** **** *** ** *****'* always ********* ******* ***** **** *** ****** **. * ******* that *** ** *** ** ****** *********** ** ****-**-****** ******** and ****** ** *** **** ****** ****** ** *** ***** tool.

******* **'** **** "*****" **** **** *** ** *** ** optimize ***** ****** ** *** ****** *************, ********* **** *** focus. ** ***** * ********** **** ********** ** **** **** values *** *****, ****** *****, ******** *** ***** ****** ** absolutely **** ** ***. * ***** ***** **** *********** ***** is * *** **** ********.

"***** ** * ********** ********** ** **** ***** **** *** bubble ** ****** **** *** ****** *** ** **** ************."

*** *** ** **** ********? *** ******* '**** ******' *** edge ** ****? *** **** ** * ****? **** ******** models **** *** ***** ********? *** *** ***** ******* ******* or ***** ***** ****, ***.

** ****** *******, ** *** *.*-*.***, *.*-**** *** *-**** ******. While ***** ** ******, ** ***, ***** ********** ****** **/*** with *** *.*-*.*** ******, *.*-**** ****** ******* ************* **** *********** as ** **** ** *** *-**** ****** *** **** *****. Also ** ** **** *** *** ****** ** ********** (******* the *** ** *** ****), *** ***** ***** ***** ** get **** **********. ** ****, ** ** **** ******* ****, the ********** ******* ****** ** *** ****** *** ******* **** pronounced.

** ** *******, ** ********* *** ***** *.*-*.***, ******* *.*-**** and ******* *.*-*** *** *-**** ******. ** **** ******** *** same ****** **** *** ** ******. ** *****'* ***** *-**** or ***** **** **** ***** ****** ****** ** ** ******* yet.

*********, **** ** *** * ******* **** ***** ****/***** ****** since **** *** ** ******* **** *** ****** **. *** tests *** **** ******* *******.

* ********* *** *** *** ***** **** *** *** ******* lenses, ********** ****** ****. *** ***** **** **** ************ ******** lenses.

***, ** **** * ********** ** **** ***** ******* ***** that * ** **** *** **** ***** *** *** ****** -******** ** ***** ******* *** ******* ****.

* ***** ** ***** **** ** ** *** ********* *** bubble ****** **** ********** ******** ******* *** *** ******** ** longer **** ****** * ******, ***?

**,

* ***'* *** **** ***** ***** "******* ******". ** *** the **** ***** **** *** ******** *.*-**** *-***** ****** ** Vitek ******* *** **** **** ** ** ***** ***** **** integral **** ***** ****** ******. ** **** *** ** **** the ************ ******* **** *******-******** *-**** ******.

* ****** ***'* ***** **** *** ** ****** *** ** a **** *****. ** ** * ****** *****. *'** *** manufacturers *********** ****, ********** **** ****** ***** ****** ******, *** bubble ***** ** *** **** ** ******* ** *** ****.

** * ******* ****: *'** ***** **** **** ** * camera ******* ***** *** ***** ***** ** ******** ** *** front ** *** **** ** ** ******** ***** ** **** the ********* ** *** ****** **** **** * **** *******.

** ** * *********** ***** - **** **** + ******.

*****, ****** ***** ** *** ******* **** ******* **** *** longest ********** ******* ****** ** ****.

****, *** *** ******** **** ** ** ********** ***** - long **** + ****** ** **** ** ******** * ***** adjustment? *** ****** ** **** *** ************* *** ********, *.*.,******** ** ***** ******* *** ******* ****

** ******* * ***** ********** *** *'** ***** **** ** certain ****** **** ****** ****, *** ****** ********** ***'* ** totally ********. ** ** *** *** **** ** *** *** in ***** ******* **** ** *** ** *****.

**** *** ** **** *** **** ** *** ********* ************* to *** ******. * **** *** ****** ** **** ******* where *** ********** ** *** **** ****** ****** ** ******** shift ***** ****** **** ******.

***,

**** ******'* ******* *** ***** ** **** ****** *** *** with *** ****** ***. * **** **** **** *** ********, though. ** ** ***** *** ****, *** **** *** *****-******** into *** ******.

*****- **** *** ******* ********* *** *** ** *** *** shots?

** ** *** *** **** **** *** ******** ******* ** all ***** **** **** **. **** **** ****** ** ****.

*** **** ******* **** ***** * ****** ***** ***** ***** is *** *** *** *** ***** ****.

*****- **** *** ******* ********* *** *** ** *** *** shots?

****. ******* ******* ****, *** *** ** **** *** ********** conclusions?

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

******!

***** **** ******, ***** *** *****, ** ****** *****?

***** *******! ****** **** * ******* **** ****** ****** *** housings *** **** ***** ************* ** ***** ***** * *** of ******** ** ******** ****** *** **** ********* "*****" ****** possible.

**** **** **** **** *** ******* ******* ****** ** ** far ******** ** ******** ******** ************* ******. *** ************* ****** allows *** * **** ********** ****** *** *** ******* ** IK10 ****** ******. *** ******* ******* ***** ********* ******** ***** the ****** ************ ** *** *************. *** **** ********* **** can **** **** ***** ******* *** ******** ***** ******* **** as ***** ******* ** ** **** ******* ********* ** **** as ********* ********* *****; *******, *** ***** *** *** ******** is ***** **-** **** ** *** ************* *** *******.

******* ******* *** ********* *** **** ** ******* ****** ** high ******* ******* ********** ** *************/******* **** *** **** ******* shape ** *** ****** ****** ****. *** **** ******* *** overal ****** ***** ** **** ** *** ****** **** *** better *** ****** ***** ** *** ******. ******* *** ******** from *** ****** **** ** *** ****** ****** ** ********* across *** ****** ****. *** ******** ** **** **** ** solution ** *** **** **** * ********** **** ** *** very ****** ** *** **** ***** ********* ** **** ***** quality. **** ** ****** *** ** *** ********* ******* ********* in ******* ******* ******* *** ******* *******. ********* ****** **-** degrees ***** ******* ******* ********* ********* **** *** ******** ********* line.

****** ** * **** ** *** ****** ******* ******** ***** quality ********* ** * **** *-**** *********. ****** * *** manufacturing ******* ** *********** ** ******** ***** **** **** ** will ******** ** *** **** ***** ********* **** ******.

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

*** *** ******* ***** *** ****** ****** / *************** *** changed ** *** **** ******? * ** ******* **** ************ have *******.

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

**** ****** ******,

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

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

**** **** **** **** ***thinner ******* ****** to be far superior to industry standard ************* ******.

***** **** *** *** ***** **** **** **** ** *** test?

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts unique testing and research funded by member's payments enabling us to offer the most independent, accurate and in-depth information.

Related Reports on Installation

Door Fundamentals For Electronic Access Control on Sep 20, 2016
Assuming every door can be secured with either a maglock or an electric strike can be a painful assumption in the field. While those items can be...
Camera Roof Mounting / Parapet Mount Installation Guide on Sep 14, 2016
One of the most common camera mounts are parapet mounts, and they can be found on the roofs of all types of buildings; old and new, used to hold...
Strong Poles Examined on Sep 06, 2016
One of the trickiest places to install surveillance cameras is on poles. Common issues like pole vibration, sway, and even mounting the camera...
Cameras Mounted On Poles Primer on Aug 15, 2016
Poles are a popular but challenging choice for deploying surveillance cameras. Poles are indispensable for putting cameras at the right height to...
Ring Buys Installs For New Customers on Jul 19, 2016
Q: "When is DIY not really DIY?" A: "When Ring offers to buy professional install for you." Yes, it is that simple.  Ring is offering to pay an...
IP Networking Course on Jul 14, 2016
The reason for its popularity is that it is the only networking course designed specifically for video surveillance professionals plus it includes...
SkyBell HD Tested on Jul 13, 2016
The video doorbell is flooded with options, but sales have been strong for SkyBell, holding the #2 spot on Amazon against mega-funded Ring. Not...
Selling Low Cost Kits on Jun 29, 2016
Low-cost kits have become a direct threat to security integrators. These kits offer a drastically discounted alternative to professional brands,...
"World's Smallest Recessed Mount Camera" Tested (Vivotek) on Jun 24, 2016
Vivotek claims their FD816C-HF2 is the "World's Smallest Recessed Mount Camera", only 2.5" wide, shown here installed in a ceiling tile: We...
Axis New Industry Standard i-CS Lens on Jun 22, 2016
Is this the next big thing in lensing? 7 years ago, Axis launched P-iris. Now, Axis has announced i-CS, which is even more 'intelligent'. But how...

Most Recent Industry Reports

Camera Calculator Class and IPVM Member Orientation October 2016 on Sep 28, 2016
Members, learn how to better design video surveillance systems and get the most out of your IPVM memberships with 2 upcoming live classes. Both...
Axis 4MP Camera Tested (M3046-V) on Sep 28, 2016
Axis has brought 4MP to its camera line in the new M3046-V, the highest resolution model in their revamped M30 series. We bought and tested this...
Hiring Spree At Aimetis 6 Months After Being Acquired on Sep 28, 2016
Aimetis was acquired in April 2016, and is now expanding almost all of their departments, hiring employees from Axis and other industry...
Camio Natural Language Processing Tested on Sep 27, 2016
The ex-Googler led team from Camio has advanced its video monitoring offering to include natural language processing. Camio ingests video,...
Access Door Controller Configuration Guide on Sep 27, 2016
Properly configuring access control door controllers is key to a professional system. These devices have fundamental settings that must be...
Hacked Dahua Cameras Drive Massive Cyber Attack on Sep 27, 2016
Cyber attacks are accelerating and IP cameras are behind many of them. Worse, last week, a 'massive' attack was carried out using numerous Dahua...
Axis Secretly Paid Anixter Sales People To Push Axis NVRs on Sep 26, 2016
Internal Axis communication shows how Axis paid Anixter and Tri-Ed sales people with secret bonuses to push Axis NVRs. In this report, we examine...
VLANs for Video Surveillance Tutorial on Sep 26, 2016
Many people confidently say to 'use VLANs' as an answer to IP video networking problems and as a way to signal expertise. But how should VLANs be...
Ambarella CEO Admits H.265 and 4K Not Popular on Sep 26, 2016
Ambarella is the main chip provider for high-end surveillance cameras driving higher resolution and new CODECs. While Ambarella has been pushing...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact