Projectors and Accessories

Buyers Guide

We have a good range of projectors and accessories whether you’re looking for a small mini projector for presentations, projectors for conference rooms or for 3D home entertainment. Also, despite the growing use of digital projectors there’s still a need for the older technology of Overheads Projectors and the transparency film they need. But, as most people are moving towards digital projectors here’s some things you need to consider:


Brightness is measured in lumens. As a guide between 800 to 1200 lumens is considered to be acceptable for most conditions for home cinema projectors but if you’re looking for a projector for presentations or conferences or if you’ve got ambient light in the room a brighter projector with high contrast ratio would be a better option.


Contrast or contrast ratio in simple terms means that the higher the contrast ration the greater the perception of depth, subtle colour variations come are displayed more clearly and dark scenes don’t appear ‘washed out’.


There’s a move towards LCD (Liquid Crystal Displays) and whilst you won’t suffer the rainbow effect and saturated colours appear good with an LCD projector their contrast ratios are usually lower than DLP (Digital Light Processing Projectors and there is a possibility of pixels burning out over time. DLP projectors produce a smoother overall image than LCD but can suffer from the Rainbow Effect.


There are some connections which are considered essential such as VGA (for connecting a PC), S-Video & Composite but if you want to connect to hi definition devices such as Hi-Def recorders, and games consoles then you’ll need an HDMI input.


Entry level resolution for projectors is SVGA (800 x 600 pixels) which is fine for displaying low quality video or Powerpoint presentations. XGA is better (1024x768) as it displays more pixels. Better still is SXGA+, WXGA and finally HD (1920 x 1080). The best advice though is match the resolution to the input device you’re using as there’s limited benefit in paying extra for a projector with a higher resolution than the input device is capable of delivering.

Aspect Ratio

Aspect ratio determines the shape of the projected image. 4:3 means the image height is ¾ of the image width which is the standard ratios for TVs and PCs. 16:9 is widescreen for projecting movies. So, if you’re ONLY using it for movies then go for 16:9 but if you will be connecting TV/PC then a 4:3 ratio may be better as most 4:3 projectors are 16:9 compatible but this entails cropping the top and bottom of the image to achieve this.

What is DLP

DLP stands for Digital Light Processing which was developed by Texas Instruments. It basically uses a microchip consisting of millions of switchable mirrors which build the image. It is a far simpler & more robust reliable design than LCD technology. Advantages are a high contrast ratio, rich vibrant natural colours, pin sharp images unaffected by heat, humidity or vibration. Projectors using DLP technology will be smaller, lighter, generate less heat and will ultimately be quieter as they require less cooling. DLP technology will be smaller, lighter, generate less heat and will ultimately be quieter as they require less cooling.

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