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Old March 5th 17, 07:32 PM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 2,833
Default More About Lights

On Sun, 5 Mar 2017 10:56:09 -0800 (PST), wrote:

But when you look up the lights you find the same problem - you
have a very difficult time finding power in and lumens out.


Hint: Measuring lumens is messy and expensive. Here's what it took
to verify lumens in 2014:
http://www.roadbikereview.com/reviews/2014-bike-lights-shootout-lumen-measurements
(I like the lumens/dollar bar graph).

For numbers and beam pattern photos, try:
https://www.bikelightdatabase.com
http://reviews.mtbr.com/2016-bike-lights-shootout-lumen-measurements
http://reviews.mtbr.com/2016-bike-lights-shootout-beam-patterns
http://road.cc/content/buyers-guide/212914-updated-your-guide-best-front-lights-cycling-beam-comparison-engine
http://www.roadbikereview.com/reviews/2014-bike-lights-shootout-tunnel-beam-patterns
There are others, but that's what I found in my bookmark collection.
There are also comparisons and tests on YouTube.

--
Jeff Liebermann

150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
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