Lenses (88)

Displaying 'Lenses' tags 1 - 25 of 88 in total

Installing Box Cameras Indoors Tutorial

(PRO Only)

This tutorial starts our physical installation for video surveillance series, starting with Box Cameras, one of the oldest and most basic types. Inside we cover: Videos Detailing Grid Ceiling Installs Videos Detailing Drywall/Gypsum Board Inst...

By IPVM Team - 2 days ago

Axis Launches First Stereographic Panoramic Camera

(PRO Only)

Fisheye panoramics have not had much innovation in the past few years, with their multi-imager cousins getting most of the advances, e.g., repositionable panoramics. Now, Axis is launching 2 new panoramic cameras including an 9MP one with a stere...

By Ethan Ace - about 2 months ago

Dahua 4K Micro 4/3 Camera Tested (IPC-HF8835F)

(PRO Only)

Dahua is going big. Their new 4K HF8835F Micro Four Thirds sensor is one of the largest now on the market. Dahua is claming: Starlight Technology and Ultra Wide Dynamic Range to produce crisp, clear images with minimal ambient light How wel...

By John Scanlan - about 2 months ago

Camera Form Factor Guide

(PRO Only)

When selecting surveillance cameras, users may choose from a number of different form factors, each with its own unique strengths and weaknesses, varying in physical size, aesthetics, vandal resistance, and advanced features provided. In this r...

By IPVM Team - 2 months ago

Dahua 4K IR PTZ Tested

(PRO Only)

4K has made its way to IR PTZs. In this report, we examine the Dahua 6AE830VNI, a 4K PTZ with 30x optical zoom, 200m (~650') integrated IR, and 1/1.7" 4K sensor, to see how it performed in daytime and night time scenes. Note that this report is...

By Ethan Ace - 9 months ago

IP Camera Specification / RFP Guide 2017

(PRO Only)

RFPs are hard. Do them 'right' and it takes a lot of knowledge and time. Do them 'wrong' and you can be (a) unwittingly locked into a specific vendor or (b) be forced to accept inferior quality products. This guide helps IP camera purchasers ...

By IPVM Team - 9 months ago

Technician Personal Protective Equipment (PPE) Guide

(PRO Only)

Technicians encounter multiple hazards when running wires and installing security devices. Wearing personal protective equipment, or PPE, helps protect against these hazards and mitigate the chance and severity of injuries. Enforcing a strict PPE ...

By Ari Erenthal - about 1 year ago

Varifocal Vs Fixed Lens Statistics 2017

(PRO Only)

Varifocal camera lenses provide more flexibility at installation time, but come at a higher cost. Fixed lens cameras reduce hardware costs, but can make getting the right Field of View more difficult or costly. How often do integrators choose one...

By Brian Karas - about 1 year ago

Hikvision PanoVu Multi Imager Tested

(PRO Only)

Hikvision has entered the multi-imager market with their 180° PanoVu DS-2CD6986F-H, an 8MP, 4-imager model equipped with ~1/1.8" imagers and Hikvision's Darkfighter super low light capabilities. We bought the Hikvision DS-2CD6986F-H and tested it...

By Ethan Ace - over 1 year ago

Avigilon Pro 4K Camera Tested

(PRO Only)

Avigilon is best known for their large sensor, high megapixel cameras. But with new offerings from Sony and soon Axis, the questions is how well their H4 Pro Series can keep up with competitors. In this report, we tested the Avigilon 4K Pro (8L-H...

By Ethan Ace - over 1 year ago

Lens Iris Tutorial

(PRO Only)

Cameras, like humans, have irises. However, cameras have five types of iris options - fixed, manual, auto, P iris. In this tutorial, we explain the tradeoffs of each, how irises work and how they relate to shutter speed. Controlling Light Camera...

By IPVM Team - over 1 year ago

F-Stop Tutorial

(PRO Only)

To understand low light surveillance, appreciating the importance and role of the f-stop metric is critical. In this tutorial, we explain: Why minidomes and other small form factor cameras typically have far worse f numbers How the range of a ...

By IPVM Team - over 1 year ago

Genetec Lower Cost Sharp V LPR Camera

(PRO Only)

Genetec has announced the latest offering in their AutoVu Sharp line, promising new features, simplified installation, and lower price. In this note, we examine these new features, lower pricing, how it compares to past models and competitors, pl...

By Ethan Ace - over 1 year ago

Testing EF Lenses On IP Camera

(PRO Only)

Glass. IP cameras are often characterized as using lower quality 'glass' and that those lenses reduce image quality. By contrast, Canon EF lenses are widely viewed as superior and for higher quality photography work. What if you put an EF lens o...

By Ethan Ace - over 1 year ago

PTZ Camera Guide 2016

(PRO Only)

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 co...

By Ethan Ace - over 1 year ago

Axis / Canon Launch 20MP Avigilon Rival

(PRO Only)

For years, Avigilon has essentially owned the 'super high resolution' single imager market. And Axis has resisted, most famously in 2012, when Axis declared the MP race over. But now, Axis is teaming up with their parent company Canon to go afte...

By IPVM Team - over 1 year ago

Fisheye Panoramic Camera Guide

(PRO Only)

Fisheye panoramics have become widespread, with most manufacturers offering fisheyes. However, with many options, it can be confusing to understand the tradeoffs. In this guide, we explain: Why Panoramic Camers Fisheye Panoramic Basics 'Warp...

By Ethan Ace - over 1 year ago

Selling Super High Resolution Cameras

(PRO Only)

Is bigger better? In the past decade, the surveillance industry has moved from 0.3MP to 1MP to 2MP to 3MP to 5MP to 4K (8.3MP), etc. But there are even higher resolution cameras above that. This report covers selling those super high resolution ...

By IPVM Team - almost 2 years ago

Selling Low Cost Kits

(PRO Only)

Low-cost kits have become a direct threat to security integrators. These kits offer a drastically discounted alternative to professional brands, used by more than just residential users, as our Police Buys FLIR at Costco, Industry's Worst Fear re...

By Brian Karas - almost 2 years ago

Axis New Industry Standard i-CS Lens

(PRO Only)

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 much practical use is it? In this report, we examine Axis' i-CS lens technology, compare it to othe...

By Brian Karas - almost 2 years ago

Raytec Vario IP Illuminator Tested

(PRO Only)

The Raytec Vario IP offers advanced features not commonly found, including interchangeable lenses with varying angles (10-120˚) and ranges (98'-550') plus network control of power, switching, "deterrent" patterns, illuminator groups, and more. Th...

By Ethan Ace - about 2 years ago

Bosch IR PTZ Tested

(PRO Only)

PTZs have historically struggled in low light, with integrated IR being uncommon. In the past few years, this has changed, as some integrated IR models have emerged. However, in previous tests, we have seen significant focus issues making tracking...

By Ethan Ace - about 2 years ago

Axis vs Avigilon vs FLIR vs Hikvision vs Samsung Camera Pricing

(PRO Only)

The 'race to the bottom' is a big issue, with average prices dropping sharply over the past few years. But who is racing the hardest? And how do manufacturers compare? To find out, we compared cameras from Avigilon, Axis, FLIR, Hikvision, and Sam...

By Ethan Ace - over 2 years ago

Avigilon HD Multisensor Camera Tested

(PRO Only)

Avigilon has released 9MP and 12MP HD Multisensor cameras, adding reposition-able sensors with remote focus and zoom, features not before seen in the expanding multi-imager market. However, with Arecont no longer the only game in town, and Axis (...

By Ethan Ace - over 2 years ago

Dahua Starlight 1/2" Camera Tested

(PRO Only)

In super low light, an area that the West has long dominated, can the Chinese manufacturers beat their Western rivals? Dahua has a new 'Starlight' offering, featuring a 1/2" imager, priced ~$300 online.  We bought one, the Dahua Starlight IPC-HF...

By Ethan Ace - over 2 years ago

Displaying 'Lenses' tags 1 - 25 of 88 in total