Epson PowerLite Home Cinema 3020e: 26 facts and highlights

Motorized or power zoom lenses allow the user to remotely press a switch, for example on a remote control, causing the projector to automatically zoom in or out and correct the size of the image.

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.

The lens shift feature on a device allows the optical lens to be physically shifted up and down (vertical) or left and right (horizontal).

The light projected by the device is brighter, i.e. it has a higher ANSI lumens measurement.

Audible noise is the noise that a device produces while in operation. Reduced audible noise improves quality.

The device displays 3D images which you can only see with special 3D glasses. Unlike glasses-free 3D displays, the screens of these devices have larger viewing angles.

A remote control allows you to control the device remotely. The remote control can be included or optional.

Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.

The maximum size of image that a device can project without compromising quality.

This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.

The more composite ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.

This allows to manually set the focus.

The zoom range is the ratio between the longest and shortest focal lengths. A higher zoom range means that the lens is more versatile.

The device can display 3D images without the need for wearing special glasses. The display's special construction allows viewers to get a sense of an image's depth by tailoring its position to fit the user's perspective.

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.

The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.

Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.

Projector zoom allows you to increase or decrease the size of the projected image without moving the projector. Bigger zoom ratio provides more flexibility. The most common zoom ratio among today's projectors is 1.2. With a 1.2 zoom ratio you can vary the image size by 20% by simply adjusting the zoom lens.