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Left The LLM0545A narrow beam architectural exterior projector incorporates a highly effective lens system that produces a very well controlled 3 degree beam with almost no spill light as shown by the lighting of these offshore islands at a distance of 700m. Above The LED light sources used in the review sample were 5,000K 70 CRI LEDs run at 700mA. Total power consumption is 22 watts to create around 400,000 candelas in the centre beam. At a distance of 90 metres there is a light level of 50 lux in the centre beam and even at 500m the light level is 1.5 lux.
original lumens. The projector is rated at IP65 with a clear polycarbonate cover over the lens and pcb assembly. The cover moulding snaps over the heat sink casting and is also fixed with four stainless screws. A simple stainless mounting U bracket with robust fixing and clamping hardware ensures that the projector can be aimed and locked. The Chinese-made driver supplied with the sample is remote and the sample we tested is provided with a long exterior grade cable. While the optical performance of the projector is very impressive, there are a few detail design issues that could be improved. The use of clear polycarbonate for the enclosure cover may cause problems in markets such as the Middle East where this type of luminaire could have a large potential market. High levels of UV from sunlight will cause yellowing over a period of time with even the best grades of polycarbonate and abrasion from driven sand will also tend to damage the exterior surface and affect the distribution. I would
prefer to use glass covers for architectural projectors to minimise these problems but that would necessitate a redesign of the luminaire. The design is functional and while the mounting bracket and the die cast heat sink are undoubtedly effective they lack design quality or any branding identity. The only distinctive visual features of the luminaire are the lens system and the high perceived quality of the lens mouldings. The LLM0545A has already been used on some noteworthy projects in Japan including lighting various towers as well as some offshore islands over a distance of up to 700 metres without any problem spill lighting effecting shipping. It is understood that the luminaire has already been specified for use on some high profile UK projects. This luminaire is an impressive example of optical engineering and will be a very useful part of the lighting designer’s tool kit where ultra-narrow exterior projectors are needed. To develop a larger presence in the
international architectural project lighting market, Stanley may benefit by adding a more distinctive product design identity to their engineering excellence. Had Dr Livingstone not been wearing his pith helmet and trademark khaki, it is unlikely Stanley would have recognised him on that fateful day in Africa. Similarly, the 20th century Stanley, for all its advanced optical engineering, could benefit from more attention to branding. Architects wandering through the Middle East, stumbling upon this LLM0545A projector are unlikely to say, “Stanley, I presume?”.
www.stanley-ledlighting.com
David Morgan runs David Morgan Associates, a London-based international design consultancy specialising in luminaire design and development.
www.dmadesign.co.uk david@dmadesign.co.uk
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