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Old 10-27-18, 01:05 PM
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Originally Posted by rm -rf View Post
That Cateye has a sharper edge cutoff and a brighter center beam than the Lezyne in your link.
I'd rather have a smooth edge transition and an evenly wide beam. The edges are somewhat distracting to me.
But the ones with narrower bright centers will project farther down the road, so they can be better on faster downhills.
Distinct edges indicates a more focused beam -- the light goes only where its needed. These types are of much higher quality than those with indistinct edges where the light gets scattered and refracted all over the place.

Beam pattern, while related, can provide focus and/or spread. Both are needed, in a good light typically provides both to various degrees. With the best designed lights, there shouldn't be any highly noticeable distinction (hot spots) between the distance focus and spread beam patterns.
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