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  • posted byoec on 01/24/2017

    GS-355Bを自転車用の光源にカスタマイズするために購入しました。 横に広がり、自転車用のディフューザーとしてはかなり使えます。


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  • posted bymk011 on 02/26/2013

    It makes flashlight like car's fog light - wide beam in the horizontal direction and narrow in vertical. You can make own headlight by changing the regular diffuser of flashlight. I remove lens from holder because it can not be fixed by 5 mm thread of flashlight's cap. I use this diffuser with Q5... Read more

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  • posted byadskoezlo on 08/10/2010

    -This lens is _perfect_ for close-range bike light (see my beamshots). The beam pattern becomes quite wide trapezoid (or a sqare, if you look on the ground). Yes, you lose the hotspot, but anyway - you don't need it for close distances. -The only con is that lens must fit your torch very tight, a... Read more

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  • posted bybigricesack on 01/08/2010

    This lens performs a function that is otherwise hard to find: it focuses light into a line or rectangular shape. This is good for a bike light, were you want to be visible from front left and right but do not care much about being visible from above or below. The lens needs some distance from the... Read more

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  • posted bySkUG123 on 05/24/2008

    Give a good wide beam, mostly focused into a rectangular shape, which can be positioned (by rotating the lens) at any angle Not sure what these are designed to fit, or how the other guy got these to fit his cree q5 neatly.... can easily be modified Domed head Personally I have thrown away the and... Read more

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  • posted bymajman on 03/24/2008

    nice cheap diffusers work well wit my cree q5 xres. the light is magnified a bit and appears brighter the light is also more focused and is in a horizontal beam or they can be turned for a vertical beam. the build quality is ok. they needed some modification for my crees to fit in but i did that... Read more

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