I did wonder how units with a "focus" option, functioned as neither of mine have that ability. But as they were purchased for lighting areas being serviced whilst underneath an electric tram, all that is required for that activity, is a "floodlight" aspect. Anything further reaching than that and I suspect I would find my arms were not long enough to reach. :>)
However, should I end up with an adjustable unit in the future, I will remember with appreciation your hint.
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