Ptzs (74)

Displaying 'PTZs' tags 26 - 50 of 74 in total

Shootout: 4K vs PTZ Cameras

(PRO Only)

Resolutions continue upwards, with 4K cameras hitting the street. Meanwhile, PTZ usage continues its downward trend, with fewer and fewer integrators choosing them. The question is: how does this increase in resolution compare to the optical zoom...

By Ethan Ace - over 4 years ago

Testing FLIR IR PTZ

(PRO Only)

FLIR's integrated IR PTZ, the DNZ30TL2R claims a whopping 150m (~500') IR range and HD resolution. Distances like these have historically been possible only with expensive high-end positioning systems which required expensive illuminators and moto...

By Ethan Ace - over 4 years ago

A Major Flaw in Long Lenses and PTZs Found

(PRO Only)

Theoretically, long lenses should let you capture faces and license plates very far away. For example, over 900 feet away from a 1080p camera one should get over 40ppf from a 100mm lens. But how well does this work in practice? In this test, we...

By Ethan Ace - almost 5 years ago

PTZ Usage Declining, Multiple Fixed MP Replacing 2014

(PRO Only)

New IPVM statistics show the rate of PTZ declines, where they are still being heavily used and what the most common replacement for PTZs is. Overall, just 1 in every 10 cameras being deployed by integrators today are PTZs.

By John Honovich - about 5 years ago

Dahua Integrated IR PTZ Tested

(PRO Only)

Integrated IR cameras are growing rapidly in popularity, as they help solve a key surveillance problem - poor low light imaging. However, integrated IR is rarely offered inside PTZs. Indeed, no major Western manufacturer offers an integrated IR P...

By Ethan Ace - about 5 years ago

Axis Releases 9 New PTZs

(PRO Only)

Axis has announced 9 new PTZ models. Nine is a lot, but what's new and what's the impact? In this note, we break down the specifics. PTZ Overview While there are 9 models total, there are 3 resolution options ('extended' D1, 720p, and 1080p) wit...

By John Honovich - over 5 years ago

Camera App Integrates PTZs and Perimeter Detection

(PRO Only)

One of the biggest risks when deploying PTZs is having them pointed in the wrong direction when bad events occur. Axis and Optex have partnered on an integration claiming to prevent that from happening. Optex has announced an ACAP module that dire...

By Brian Rhodes - over 5 years ago

Small City Surveillance Leasing Investigated

(PRO Only)

Is leasing cameras a good solution for municipalities with small budgets? A small city in Ohio is participating in a trial to find out. By paying month to month instead of buying its own system, Canton found a way to provide its city with a survei...

By Carlton Purvis - almost 6 years ago

NC City Surveillance Challenges

City surveillance systems can be challenging, even for a small city of one hundred thousand people with just a handful of cameras. In this note, we dig into the problems that Wilmington NC faces and the solutions that it is planning to fix them. ...

By Ben Wood - about 6 years ago

Axis New Direct Drive P5414-E PTZ

There's not a lot of innovation in PTZs these days but Axis's new P5414 offers a number of novel incremental features. While it does not break ground in resolution or zoom, it has the potential to improve aesthetics, ease of installation and long ...

By John Honovich - about 6 years ago

PTZs vs 360 / Panoramics

One of the toughest but most important emerging choices is when to use PTZs vs panoramic cameras. It pits one of the most overhyped technologies of the past decade (PTZs) versus one of the most overhyped ones of this decade (panoramics), yet both ...

By John Honovich - over 6 years ago

Extreme HD PTZ Series (Moog/Videolarm)

Want a bullet resistant, pressurized or explosion proof High Definition PTZ? Until today, one had to buy a third party enclosure and assemble it themself. Now, Specialty housings manufacturer Moog/Videolarm is releasing an in one kits to solve thi...

By Brian Rhodes - almost 7 years ago

How Far Can a PTZ See?

Knowing how far a PTZ can see is a critical but tricky question for PTZ use. On the one hand, seeing very far away is a common reason for choosing PTZs. On the other hand, we regularly hear people radically overestimate how far one can see with a ...

By John Honovich - almost 7 years ago

PTZ Thermal - DRS Watchmaster IP Ultra

Despite marketing claims, thermal cameras remain too expensive for most of the commercial market. Only one company is really pushing hard to change that, DRS Technologies, a relatively unknown. They are aggressively pushing low prices with their W...

By Ethan Ace - almost 7 years ago

A Successful PTZ Auto Tracking Case

Auto Tracking functions in PTZs are oversold, but in certain cases can have real value. In this note, we examine a successful case study using Auto Tracking, describe the problem it solved, and provide details on how common pitfalls were avoided. ...

By Brian Rhodes - almost 7 years ago

Pan Tilt Positioner Tutorial

Why use Pan-Tilt positioners when speed dome PTZs are widely available? For many, these units are a thing of the past. However, they do play important specialists roles within surveillance. In this note, we answer this question, examine Pan-Tilt (...

By Brian Rhodes - almost 7 years ago

Energy Costs and Video Surveillance

Should you be concerned about the energy costs from your surveillance systems? Are these a hidden killer or can certain products deliver huge savings? In this note, we break down the energy costs for surveillance system, examining the impact of re...

By Brian Rhodes - almost 7 years ago

Crazy UK CCTV and The Value of PTZs

Like a scene out of a James Bonds movie, UK authorities released amazing footage of a driver taking a terrified pedestrian on a neighborhood ride hanging onto the hood of their car. It is an excellent demonstration of the use of real time, operat...

By John Honovich - about 7 years ago

Pan/Tilt Camera Selection Guide

Multiple styles of PTZ are available, though little clear-cut guidance on which is best for a given application is available, making camera selection difficult for inexperienced users. In this note, we overview the three main types of PTZ cameras:...

By Ethan Ace - about 7 years ago

Avigilon PTZs Reviewed

While Avigilon has touted how their multi-megapixel cameras can replace up to 95 conventional one as well as replace PTZs, they have now announced their own line of HD PTZ cameras. As such, this is an interesting and somewhat surprising move. In t...

By Ethan Ace - about 7 years ago

Murder on Video - The Value of PTZs

While many argue for the end of PTZs, a recent murder demonstrates the value of using PTZs versus multimegapixel fixed cameras for monitoring large high crime areas. Inside this note, we show why through a series of real world surveillance video c...

By John Honovich - over 7 years ago

Surveillance Statistics Survey Directory Vol 1

In this report, we aggregate and present dozens of statistics about how surveillance is being used in the real world. Recently, we conducted an in depth survey of 84 integrators around the world, asking them a variety of detailed questions. For ba...

By John Honovich - over 7 years ago

Statistics: Is Megapixel Replacing PTZ Cameras?

PTZ cameras have been a staple of the industry for years, often being installed as the only means to cover large fields of view. However, with megapixel cameras becoming an everyday occurance, their ability to cover larger fields of view in more d...

By Ethan Ace - over 7 years ago

Axis P5544 Panoramic PTZ Camera Examined

In this note, we examine the Axis P5544, Axis's first panoramic camera and one of the most novel offerings in the market - combining both optical/mechanical PTZ functionality and panoramic / 360 degree imaging. The big question we focus on inside ...

By John Honovich - over 7 years ago

Low Cost Professional IP Cameras Comparison

"Too expensive" is probably the most frequent complaint about IP cameras. While IP cameras have clearly come down in price in the last few years, they are still, on average, notably more expensive than analog cameras. Though it is becoming easier ...

By Ethan Ace - over 7 years ago

Displaying 'PTZs' tags 26 - 50 of 74 in total