Re: Head light focus with out lens?
Makes great sense to me. I once ended up doing things the other way 'round. I focused the light as best I could, then at some later date (for reasons I don't remember) I had the light apart. I checked the focus without the lens and got a well focused beam as you describe. Comforting!
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I'm part of the only ever generation with an analogue childhood and a digital adulthood.
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