Tag Archives: projectors

A side by side comparison of HD projectors for public and home viewing

The 21st edition of the FIFA World Cup will be held this year in Russia, from the 14th of June to 15th of July. The 2014 event, in Brazil, was tuned into by 3.2 billion people worldwide using private devices, while 280 million fans watched the matches online or on mobile devices. All told, well over one billion people viewed the Argentina versus Germany final for at least one minute, either on on household TVs or at public-viewing venues.

HD projectors

Source: https://www.shutterstock.com/de/

The number of people who will be following the FIFA World Cup this year is set to climb even higher this year. Many spectators and fans have decided to watch the matches at home on a screen with friends and family – or alternatively, to thrill to cheer on their favorite team along with hundreds of other fans, at public-viewing venues. The organizers of such events need to do a considerable amount of prepartory work, beginning with finding the right projector for the screen being used. InFocus did a side by side comparison of the various HD projectors, with a view to determining which devices are best for a given usage scenario.

Professional-quality projection for large-scale events using the IN5550

With up to 8300 lumen, six interchangeable lenses, two interchangeable color wheels and a host of connection options including 3G-SDI, the IN5550 is the perfect projection solution for public-viewing venues.

HD projectors

Source: https://www.hannover.de/

Thanks to a maximum resolution of 1920×1200, this projector will ensure that FIFA World Cup enthusiasts won’t miss a single detail of the matches.

For large-scale events such as the World Cup, the largest possible screen is normally used, or the match is projected on a suitable wall. But in such cases, it can sometimes happen that the projection surface isn’t completely even. But even in such situations the IN5550 renders an impeccable image, thanks to trapezoid correction, rotation and convex distortion and corner-position adjustment.

The IN5148HD: effortless image management for medium-sized events and high-end home viewing

The IN5148HD is the ideal solution for watching soccer games in bars, or for top-notch home viewing with friends and family. Thanks to the IN5148HD’s large projection ratio of 1.49 – 3.02:1, its motorized lens-shift function and its focus and zoom settings, the device is ideally suited for a whole range of projection venues..

HD projectors

Source: https://p5.focus.de

The device’s native 1080p resolution allows for optimal projection results featuring clear, sharp pictures, even in ambient light. Thanks to the IN5148HD’s 12000:1 contrast ratio , it can project the green of the turf and the colors in the stands in exquisite detail and color gradations.

Quality that pays off: the IN119HDx for projecting small events out of doors

The IN119HDx is the best full HD project currently available, for its category and quality class. With 3200 lumen and a 15000:1 contrast ratio, this projector is the ideal solution for enjoying soccer matches with friends out of doors, in your own back yard.

HD projectors

Source: https://www.tz.de

Thanks to the IN119HDx’s widescreen resolution, the World Cup matches can also be projected on a PC or notebook.

The projector’s built-in speakers and 3.5 mm audio-out port allow crisp , clean audio of a given match to be enjoyed directly via the projector, or via a home stereo system. And because the device is equipped with an RS232 port, it can be integrated into a room management system such as Creston.

Regardless of the size of the event you’re planning to view via a projector in the near future, the first step to perfect enjoyment is to select the right projector for your situation.

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Meet our Professional 3D Network Projectors – The InFocus IN3140 Series Projectors

For meeting and seminar rooms it is imperative to use a powerful projector with high brightness and sharp projection quality. The IN3140 projector series offers your a complete package at an affordable price with the three projectors IN3144, IN3146 and IN3148HD.

Projectors hd

With 5000 lumen, high contrast, six-segment color wheel and BrilliantColor ™ DLP imaging, the IN3140 series projects bright and color-rich images, even with the lights on and the blinds open. The zoom ratio of 1.5: 1 and the extended projection ratio allow the installation of the projectors in different rooms.

The series also offers a variety of connections, including two HDMI ports, multiple audio ports and a USB mini port. This allows immediate projecting from PCs, Macs, video sources, tablets and smartphones. The remote control of the projector over the network is made possible by the support of Crestron Roomview, ProjectorNet. The possibility of integration into an AMX controlled environment is also given with the IN3140 series.

3d projector

Each projector in the series features 3D Triple Flash technology, allowing it to mirror various 3D formats such as HDMI, Blu-ray, 3D broadcast, video games and NVIDIA 3DTV PC connectivity to the screen. The projectors are compatible with 144Hz DLP Link ™ 3D glasses. Display any videos, pictures, lifestreams, presentations limitless in 3D with 1080p in Full HD mode via HDMI.

Technical specifications


  • The IN3144 has a native resolution of 1024 x 768 (XGA)
  • 5000 lumens allow projection even in bright rooms
  • The projection ratio is 1.83 – 2.75


  • With a native resolution of 1280 x 800 through WXGA, the IN3146 is in the midfield
  • The luminous flux is 5000 lumens
  • The projection ratio is 1.46 – 2.20


  • With 1080p (1920 x 1080), this projector lists in terms of native resolution
  • Like all the projectors of the series, the luminous flux is IN3148HD 5000 lumens
  • The projection ration is also 1.46 – 2.20

With 1.5x optical zoom and their 10W speakers, the projectors are an ideal solution for meeting- and seminar-rooms, at an affordable price.

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LightCast Key, LightCast Hub and InLightShow4 – Similarities and Differences

Small, lightweight and wireless! Screen presentations from various PCs and mobile devices without cables – this is the feature all three InFocus devices, LightCast Key, LightCast Hub and InLightShow4, have in common, but what are the differences between them?

The common features of these three devices are quickly recognisable: they enable wirelessly displayed presentations from PCs, laptops and mobile devices; they are easy to set up and connect; they do not require additional software installation to run; and they convert a screen into an interactive whiteboard. However, on closer examination, certain differences become obvious between the display and projector equipment.

LightCast Key – Wireless presentations and unlocked additional functions on screens and projectors compatible with LightCast

USB AdapterThe InFocus LightCast Key is a simple USB adapter that enables activation of the LightCast functions on your screen or projector. As soon as the USB adapter is connected to a LightCast-compatible device, PCs, laptops and mobile devices can be wirelessly connected to a screen or projector without needing to install extra software.

From now on, you can record, save and share notes, as well as view documents, photos and videos even without connecting to a PC. With LightCast Key, individuals making presentations on LightCast-compatible displays and projectors can also easily access the Internet through an integrated web browser. However, it is not possible to wirelessly connect several different devices via a single LightCast USB adapter. For each adapter, only one terminal device is able to connect.

LightCast Hub – Wireless presentations on screens or projectors of almost any kind via HDMI Interface

lc 100LightCast Hub makes presentations for lectures or team meetings easier. Your presentation can wirelessly run on any screen or projector via an HDMI interface. Via an HDMI or AV interface (3.5 mm jack plug), the LightCast Hub can connect to the screen or projector without complications or additional software installation. In the case of touch screens with touch USB feedback interfaces, you can continue to operate and control the connected LightCast Hub via the touch screen. For projectors and usual display units without touch functions, we recommend using a wireless mouse/keyboard system with USB interface, also connectable to LighCast Hub. The LightCast Hub is compatible with Windows 7, 8 and 10, Mac OS, iOS and Android (Miracast compatible), meaning you are not limited in your choice of terminal device types.

The four main LightCast functions are:

  • Wireless connection of mobile terminal devices
  • Recording, saving and sharing notes and drawings (Whiteboard function)
  • Access to an integrated web browser
  • Easy viewing of documents, photos and videos

LightShow4 – Cordless and wireless presentation with any data terminals

Like LightCast Hub, the InFocus LightShow4 can also be connected to any projector or screen via an HDMI or VGA input. LightShow is also compatible with the latest operating systems, such as Windows 7, 8, 10, Mac OS, iOS and Android. Mobile terminal devices can be connected to the LightShow adapters via the app „MirrorOp Presenter“ (Google Play / Apple App Store). Terminal devices, such as Windows or MAC notebooks, can be connected to the LightShow adapter via a USB dongle. The USB dongle allows wireless connection without the need for administrator rights on the notebook. Usually, office notebooks are locked for security reasons, preventing additional software from being installed on them. Not-locked Windows/Mac notebooks allow installation of client software. As soon as such software is installed, an additional icon (LightShow Manager) is displayed on the desktop. From there, you can control the LightShow adapter.

wireless adapter

With the LightShow adapter, you can connect up to four devices and view your screen contents both on the screen or the projector. The LightShow administrator (in many cases, a teacher) chooses what content should be currently displayed.

If the LightShow adapter is connected to a touch screen and a Touch Feedback line is connected to the LightShow adapter via a USB cable, the LightShow adapter can even transfer touch signals wirelessly. This means you can wirelessly connect your notebook to the LightShow adapter, which in turn, is connected to a touch screen. Ultimately, you can operate and control your notebook via the touch screen. Simply brilliant!

The wireless presentation at a high level is ensured with all 3 devices: LightCast KeyLightCast Hub and InLightShow4. Which one of them is the best – such a comparison cannot be made. Together, the three devices cover all typical needs for presentations and lessons.

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Presentation of the projector InFocus IN5148HD

Besides the use in home cinema, projectors offer a wide range of different applications – the InFocus IN5148HD is a perfect example of this.


The projector is mostly used in lecture halls, schools, conference halls or even in churches. However, it is also suitable for home cinema use without problems. A large connector panel accommodates any type of video and audio connections, including HDBaseT, which is rarely seen on a projector normally. The projector has two built-in powerful 10 Watt speakers and can also be connected to the computer via an HDMIor the classic VGA port. It outputs 5000 lumens by a Single-chip DLP alternator and also includes a motorized lens control for more convenient adjustment during installation.


With a projection ratio range of 1.49 to 3.02, the IN5148HD provides a specification that meets the requirements of 90% of all modern installations. Thus, it is incredible flexible in use. The IN5148 can be remotely controlled via the network using the free software ProjectorNet 4.0. It also supports the Cestron Roomview® system and AMX, which facilitates the integration into existing room controls. The total operating costs are low, since this projector does not require an exchange of the air filter. This promises maintenance-free operation around the clock. In addition, the EcoBlanking function can also be used to switch down the lamp output by up to 70%, if no video source is detected. This not only saves energy but also allows a longer lamp life of up to 4500 hours.

When used in larger meeting rooms, the IN5148HD can also be accessed wirelessly Projectors. For this, firstly there is the very compatible option LightCast Key. The LightCast technology supports Apple, Chrome OS, Windows and Android systems. The second option is the LiteShow4 adapter. This adapter provides compatibility with Windows 7, 8 and 10, Mac and iOS and Android mobile devices and also allows the simultaneous connection of four presentation devices.

3D function

ProjectorsThe projector also supports various 3D formats, including Blu-ray, 3D transmission, video games, and PC connectivity. Only 144 Hz DLP Link 3D glasses are needed to enjoy seamless image synchronization and a perfect 3D experience.


When purchasing the projector IN5148HD from InFocus, you will receive the following accessories in the scope of delivery:

  • Supply cord
  • VGA cable
  • Safety instructions
  • User guide
  • Remote control

Furthermore, there are the following optional accessories to the projector:

  • Replacement lamp (SP-LAMP-096)
  • Universal ceiling mount (PRJ-MNT-UNIV)
  • XPAND DLP Link 3D glasses (X103-EDUX3-R1)
  • Presenter 2 RF remote control (HW-PRESENTER-2)
  • Extended guarantees (PROJ-EW1YR-I, PROJ-EW2YR-I)
  • LiteShow 4 (INLITESHOW4)
  • Wireless keyboard and mouse (INA-AIRMSKB)
  • LightCastKey (INA-LCKEY2)

Impress with the InFocus IN5148HD projector with its high light output, HD resolution and great flexibility.

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Beamer vs. Whiteboards in the training room – Part 2

Now it’s time for the second part of the “Royal battle”.

In one corner there is the long-established projector, in the other our upstart, the touch screen with integrated whiteboard software or connected Android Whiteboard Box. The previous result is 2: 2 or a draw for projectors and whiteboards in the areas of installation, image size and contrast and quality. You missed the first game? Here you can retrace the battle.

beamer vs touchscreen

In order to detain you no longer: “Let’s get ready to rumble!”

Round 3: Interactivity

With digital whiteboards as well as with interactive beamers, professors, teachers or students can write directly onto the picture. In addition, both of them often provide sophisticated software for creating, displaying and storing teaching contributions, such as the Whiteboard software from InFocus. The difference shows when the screen is to be touched in order to select a program. Here, whiteboards work with digital pens as well as with the powerful multi-touch technology which allows you to write on the display with several fingers at the same time. In this regard, the projectors cannot match.




Winners: Whiteboards

Round 4: Shadows

No matter how much you try to avoid, beamers cast shadows when people enter their projection field. And there are only a few things that are more disagreeable during a presentation than to be blinded by the light of the projector or not to be able to see a complete picture due to the shadows. Whiteboards create the image internally by using liquid crystal display panels. Thus, there is no shadowing. In addition, they are independent of light conditions and provide a clear picture even in strong sunlight.




Winners: Whiteboards

Round 5: Costs

With regard to technology for the education sector, often the price is crucial. Projectors are the undefeated champions on the cost side. For example, a 65-inch JTouch is fast three times as expensive as a Short ThrowBeamer. Depending on the model, the Whiteboard software or Android Whiteboard Box has also to be added in the case of the JTouch. Although a lamp has to be bought and replaced every two years, the projectors remain cheaper.




Winners: projectors



After the judges have scored their points, a clear winner is determined:

the whiteboards.


However, the Beamers demand a rematch. The beamer technology is maturing and prices are falling. This point of the beamers might be lost this time. We will see. Notwithstanding the above: the ultimate winners of projection technology are neither whiteboards nor projectors, but teachers and students.

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Projector vs. Whiteboards in the training room – Part 1

It is a technological “Royal battle”. The struggle between electronic whiteboards and projectors might determine how a whole generation of college students will be taught. Imagine a cage match with five rounds, where advantages and disadvantages compete.

In one corner we have the old champion, the traditional classroom projectorprojector that has always done a good job. It traditionally projects readable texts and pictures onto the canvas. The prices for a projector have never been lower and are currently starting around 300 Euros for a device with scalable projection size and adaption to different light conditions. In other words, it carries the weight of the video based doctrine in classrooms and auditoriums.

JtouchIn the other corner, we see the upstart: a large interactive whiteboard. It is more expensive, but allows an additional level of interactivity and especially connectivity to the modern media. Equipped with the right whiteboard software and a Android Whiteboard Box, teachers and students have auto forms, pens in every conceivable color, text marker and much more at their disposal. Touch screens never cast a bad light on the lecture or the teacher. Explanation: When using a projector, you usually stand in the light oft the projector. This is most a bit nerve-racking for the speakers. Only in case of larger set-ups / installations the speaker ist standing or sitting far away from the projection screen. Mostly the lecturer stands close to the projection screen an thus fully in the projector light.

So, “let’s get ready to rumble”!

Preliminary round: Installation

There are a lot of preparations to be made before the fight can begin. Both devices have to be installed first. A projector has to hang from a ceiling or wall or to be placed on tables (including sub-tables). This may involve wiring, mounting hardware and oftenly stand -along audio.

Large displays are not easier when it comes to the setup. The InFocus 65-inch JTouch requires two persons to safely hang it up. Likewise, a special hardware installation, often including in-wall wiring, is required as well as the installation of the whiteboard software. But it’s worth it: The InFocus audio systems can easily fill a medium-sized training room with sound.

Winner: drawn

Round 1: Image size

The bell rings and round 1 begins. Here, the image size matters. In this aspect, the projector that can scale an image to a size of 380 cm (or 3.8 m) is clearly advantageous, especially in large rooms. So, the whiteboards fall back.

Winners: projectors


Round 2: Contrast and Quality

The InFocus JTouch 65-inch can show more contrast and image quality than the InFocus projector, providing a clear and sharp image on the entire surface. With the projectors, the shaprness at the edge of the picture can differ slightly from the center of the image. A better contrast brings more detail to the screen, especially at fine shapes of the color in the picture.

Winner: whiteboards


The two parties are now allowed to have a break to prepare for the last 3 rounds. Read next week wich one can expand its leadership!

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