Lenses (92)

Displaying 'Lenses' tags 76 - 92 of 92 in total

Analog vs HD Night Shootout

The whole point of megapixel is better image quality but what if megapixel was actually worse than analog at night? In the consumer world, maybe this is acceptable but in surveillance, most cameras need to 'see' 24 / 7. [WARNING: This report is O...

By Benros Emata - about 8 years ago

Testing: P-Iris Lens Performance

A new form of iris control, called P-Iris, is emerging as a challenger to manual and auto iris lenses. P-Iris can more 'precisely' control the aperture size than auto iris lenses. P-Iris providers claim this can provide important quality benefits....

By Benros Emata - over 8 years ago

IP Camera Statistics 2011

In this report, we analyze trends, features and pricing for IP cameras. We achieved this by using our Camera Finder to query 40 different criteria for approximately 550 IP camera models. We encourage you to use the Camera Finder so you can run you...

By John Honovich - over 8 years ago

Sony Fixed IP Camera Guide

Like many camera manufacturers, in the last 2 years, Sony has rapidly expanded its IP camera lineup. For instance, in our Camera Finder, we are now tracking 45 Sony IP cameras. With so many models, it starts getting difficult to discern the key di...

By Antony Look - over 8 years ago

Sony X Series Camera Overview

Sony's latest addition to its network camera portfolio, the X series, provides HD 720p and HD 1080p models at lower price points, smaller form factors, and less features than Sony's premium V-series and the mid-tier E-series. The X-series consists...

By John Honovich - over 8 years ago

New Products Reviewed Fall 2010

In this report, we aggregate all our new products reviews for Fall 2010 announcments. Products Reviewed The following new products are reviewed. Links are provided both to the company's website and to our PRO member review. ACTi 4MP Cameras -...

By John Honovich - over 8 years ago

Testing: GBO InfinityLens Lenses

Ensuring surveilled objects are in focus is a common concern. In this report, we examine lenses claiming to offer a massive depth of field (MDOF), allowing objects in both the near and far fields to remain simultaneously in focus. This test evalua...

By Benros Emata - over 8 years ago

Training: Using Lens Calculators

In video surveillance applications, lenses generally take a 'back-seat' to their sexier camera counterparts. However, selecting a proper lens for an application helps ensure the highest quality image. Specify a lens too narrow for your application...

By John Honovich - over 8 years ago

Ultrawide SL183 Lens Examined

Theia has announced a new addition to their ultawide angle lens lineup - the SL183. This note examines its positioning and differences from Theia's existing lenses. The SL183 is Theia's first varifocal lens offering a focal length of 1.8 to 3.0 mm...

By John Honovich - over 8 years ago

New Video Surveillance Products Spring 2010

The following report provides a directory and analysis of new video surveillance products announced in 2010. The current version focuses on products being released in March 2010. Additionally, we have added a section on New Video Surveillance Pro...

By John Honovich - about 9 years ago

IP Camera 2009 Mid Year Review

Megapixel was the most dominant trend in IP cameras over the first half of 2009. So dominant was megapixel, that not only did most manufacturers release new megapixel cameras but a new non-IP megapixel standard was proposed. Not surprisingly, indu...

By John Honovich - almost 10 years ago

Testing Wide Angle Megapixel Lenses - Theia SY125M

More pixels provide the opportunity for greater field of views and less cameras. However, stock lenses provided with cameras only offer moderately wide fields (60-70 degrees). A few companies are now developing wider angle lenses to help solve th...

By John Honovich - almost 10 years ago

P-Iris Claims to Improve Megapixel Cameras

Axis announced an upcoming product enhancement that aims to improve megapixel image quality. Called P-Iris (for Precise Iris), it is an alternative to DC auto-iris lenses. P-Iris is a combination of a new lens and software. The lens, provided by K...

By John Honovich - almost 10 years ago

The Importance of Megapixel Lenses

Selecting the right megapixel lens is as confusing as it is important. The wrong choice of lens can make an expensive megapixel camera no better than a cheap analog camera. Unfortunately, manufacturers generally do not provide sufficient informati...

By John Honovich - about 10 years ago

2009 Megapixel Camera Comparison Released

This 20 page report helps you decide amongst the leading megapixel camera products in the market. If you are evaluating megapixel cameras or moving to IP, this report will help you understand the best product for your needs. [Update: The 2010 meg...

By John Honovich - over 10 years ago

Upcoming Panoramic Megapixel Camera from Scallop

A startup is developing a low cost 180 degree panoramic camera that could have a significant impact in real world video surveillance deployments in 2010. Product Overview The company, Scallop Imaging, has extensive optics expertise. Their initia...

By John Honovich - over 10 years ago

Eliminate Distortion in Wide Angle Images

Today's megapixel cameras have many advantages as long as you have the right lens for the job. When that includes covering large areas or reducing cost by installing fewer cameras, that lens is a wide angle lens. Until recently only fisheye lens...

By John Honovich - over 10 years ago

Displaying 'Lenses' tags 76 - 92 of 92 in total