Low light (348)

Displaying 'Low Light' tags 76 - 100 of 348 in total

Arecont Vision MicroDome Duo Tested

(PRO Only)

Arecont Vision is back with another multi-head camera, this time thinking smaller with the MicroDome Duo, a two-imager model, with the tagline "Look both ways for hallway surveillance", a form factor rarely seen in surveillance. However, given ...

By John Scanlan - almost 2 years 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 - almost 2 years ago

Axis 15MP Multi-Imager Tested (Q3708-PVE)

(PRO Only)

Axis continues to expand in the multi imager market, adding to a segment started with the 33MP Q3709. We bought the Q3708-PVE and tested it against: Hikvision PanoVu DS-2CD6986F-H (Separate test report to be released later this week) Pelco O...

By Ethan Ace - almost 2 years ago

Sony Favorability Results

(PRO Only)

Sony is one of the largest brands in the world and a long term provider of both video surveillance imagers and cameras. But, like all incumbents, they have been challenged by the race to the bottom of the last few years. Indeed, just a few month...

By John Honovich - almost 2 years ago

Invisible IR Camera Tested (Vivotek)

(PRO Only)

Integrated IR is everywhere in surveillance, from high-end long range cameras to even the lowest cost models. But this IR usually comes with a distinct red glow from its 850nm illuminators, giving away the camera's position at night. Now, Vivotek...

By Ethan Ace - almost 2 years ago

Panasonic Extreme H.265 Cameras Tested

(PRO Only)

Panasonic has released their latest generation, the i-Pro Extreme series, with enhanced compression (smart H.265) enhanced WDR and secure communication. We tested their Extreme series vandal dome, the WV-S2531L against their previous generation S...

By Ethan Ace - almost 2 years 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 - about 2 years ago

Surveillance Cameras 2017 Overview

(PRO Only)

This report concisely explains the developments and most common options for surveillance cameras offered in 2017, including resolution, H.265, HD analog, image quality, video analytics and cost. Compared to surveillance camera developments in 201...

By John Honovich - about 2 years ago

Calculating Video Surveillance Storage / Bandwidth

(PRO Only)

Calculating surveillance bandwidth is complex, and inexperienced users can easily underestimate bandwidth, leading to reduced storage durations and/or overloaded networks. The most common way technicians estimate storage is to use manufacturer or...

By IPVM Team - about 2 years ago

Lux Rating / Minimum Illumination Guide

(PRO Only)

Lux ratings are one of the poorest specifications to use in selecting cameras. Now, with the rise of integrated IR, they are increasingly useless. You need to be able to understand why lux rating (aka minimum illumination specifications) are so p...

By IPVM Team - about 2 years ago

The PPF / PPM Video Surveillance Guide

(PRO Only)

Pixels per foot / Pixels per meter is the most fundamental and valuable, though imperfect, metric for specifying video surveillance image quality. In a single number, this metric (e.g., 10ppf, 40ppf, 100ppf) conveys important information about wh...

By IPVM Team - about 2 years ago

Surveillance Camera Imager Tutorial

(PRO Only)

Imagers - CCD, CMOS, 1/2", 1/4", big pixels, small pixels, etc. In this tutorial, we explain the fundamental issues and drivers in surveillance camera imagers, including: Sensor vs Imager CCD vs CMOS Imager Manufacturers Camera Manufacturer...

By IPVM Team - about 2 years ago

IR Video Surveillance Tutorial

(PRO Only)

Almost all surveillance cameras perform worse in low light than they do in the day time. One of the most common techniques to overcome this is to add infrared (IR) illumination. However, adding IR has its own tradeoffs, with several options availa...

By John Honovich - about 2 years ago

HD Analog vs IP Guide 2019

(PRO Only)

For years, HD resolution was IP camera's greatest advantage. However, starting in 2013, analog cameras with HD resolution started shipping and, now, just a few years later, HD analog has become a significant force in the video surveillance indust...

By IPVM Team - about 2 years 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 - about 2 years ago

Video Surveillance Bandwidth Guide

(PRO Only)

Bandwidth is one of the most fundamental, complex and overlooked aspects of video surveillance. Many simply assume it is a linear function of resolution and frame rate. Not only is that wrong, it misses a number of other critical elements and fai...

By IPVM Team - about 2 years ago

Shutter Speed / Exposure Tutorial

Surveillance users do not need to be photography experts but understanding the basics of shutter speed is critical to avoiding major low light problems. In low light conditions, surveillance video can appear blurry and objects will look like ghost...

By IPVM Team - about 2 years ago

Dirty Dome Camera Test

(PRO Only)

Dome cameras are the most widely used type professionally but many note that dirt, dust, rain, and scratches can cause image quality problems, especially with integrated IR. We tested an integrated IR dome with these very issues to see how it imp...

By John Scanlan - about 2 years ago

Hanwha Wisenet Q 4MP Tested (QNV-7080R)

(PRO Only)

The 4MP trend continues, now with Hanwha Techwin / Samsung in their latest Wisenet Q series. We bought one of these models, the QNV-7080R, to see how it stacks up against 4MP competitors from Axis and Hikvision in full light, low light (below), W...

By Ethan Ace - about 2 years ago

Sony 35mm Super Low Light Camera Tested

(PRO Only)

Sony is making a big push for their SNCVB770 camera, touting its low light capabilities that they claim can deliver true color in pitch black darkness. While the 'super low' light market segment is definitely growing, Sony's SNCVB770 has a dramat...

By Ethan Ace - about 2 years ago

IR Camera Reflection Test

(PRO Only)

All that might stand between good video and bad in your IR dome is a ring of foam rubber, keeping infrared from reflecting into the lens. Installers may have seen this small part on any number of cameras, The gif below shows removing and replacin...

By Ethan Ace - over 2 years ago

Bosch First Starlight 1080p Camera Tested

(PRO Only)

Bosch has released their first 'Starlight' 1080p camera, the Flexidome IP starlight 7000 VR. We tested this new dome against competitive super low light models from Axis ('LightFinder') and Hikvision ('DarkFighter'), as well as Bosch's existing 1...

By Ethan Ace - over 2 years ago

4 Biggest Low Light Problems

(PRO Only)

100 integrators told IPVM what their biggest problems were with low light images. The most commonly cited themes were: Limited IR Range Uneven Coverage Image Noise Cost vs Customer Expectations In this report, we share dozens of integrat...

By Brian Karas - over 2 years ago

Samsung 'Q' Low-Cost 1080p Dome Tested

(PRO Only)

The most competitive part of the market is for low-cost cameras. Hanwha Techwin / Samsung has released its new low-cost Q series to go after this segment. We bought two of these new Wisenet Q models and tested them against competitive domes from...

By John Scanlan - over 2 years ago

Axis 4MP Camera Tested (M3046-V)

(PRO Only)

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 new camera against 4MP models from Dahua and Hikvision to see how low light, full light, and WDR perfo...

By Ethan Ace - over 2 years ago

Displaying 'Low Light' tags 76 - 100 of 348 in total