Analogue device for quick and accurate testing and adjust- ment of vehicle headlights Height-adjustable projection screen with % scale Subjective analysis of results based on visual assessment of the headlight projection on the screen Robust construction, also suitable for test lanes Rotatable mirror for device alignment to vehicle Automatic latching of the light collecting box to the precision aluminium guide column facilitates handling and optimises reproducibility Extremely thin Fresnel lens made from material with opti- mised refractive index for suppressing blue and red fringing increases measurement accuracy significantly Large Fresnel lens for easy positioning in front of the head- lights helps speed up the entire set-up process Anodised heat deflection sheet to prevent overheating as a result of direct sunlight even without use of the device cover- ing hood Pre-configured as standard for use on optional guide rails so that equipment runs in straight line after alignment