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Mirror Viewing Distance Guide for Optimal Performance

When choosing a mirror, for best performance, it is important to choose one of the right size for your application.  This viewing distance guide is designed to help you decide.

The most critical factor in working out what size mirror will be right for you, is the distance from which the mirror will be viewed (viewing distance) - i.e. the distance between the person viewing the mirror and the mirror itself.


mirror max view distance



             Round Mirrors



Mirror Size        Recommended "maximum" viewing distance for best performance

300 mm                   approximately          3 metres

400 mm                   approximately          5 metres

500 mm                   approximately          7 metres

600 mm                   approximately        11 metres

800 mm                   approximately        20 metres

900 mm                   approximately        25 metres



    Rectangular Mirrors


Mirror Size                Recommended "maximum" viewing distance for best performance

600 x 400 mm           approximately         9 metres

800 x 600 mm           approximately       20 metres

1000 x800 mm          approximately       30 metres



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