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From: Radey Shouman <shouman@comcast.net>
Newsgroups: rec.bicycles.tech
Subject: Re: bike light optics
Date: Fri, 05 Apr 2024 11:54:12 -0400
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Frank Krygowski <frkrygow@sbcglobal.net> writes:

> On 4/5/2024 5:50 AM, Roger Merriman wrote:
>> Frank Krygowski <frkrygow@sbcglobal.net> wrote:
>>> On 4/4/2024 7:16 PM, Roger Merriman wrote:
>>>> I’m really not a good fit for such lights, mainly that I want
>>>> lights with
>>>> more power with the MTB/Gravel bike can get at least one dynamo lights with
>>>> a off road beam shaped but even so with a 3w limit it’s power output is
>>>> lacking for that purpose ie 800 lumens at 17mph+ my light kicks out at
>>>> least double that with potentially up to 3 times that, as it uses how fast
>>>> how much the bars are moving to gauge the light needed.
>>>
>>> I'm curious: What light is that, and what did it cost?
>>>
>> The MTB Dynamo is the Exposure Revo hasn’t changed in at least a decade,
>> unlike the battery powered models which I assume is related to power output
>> as with battery powered models the lumens increases slightly incrementally
>> each year.
>> It’s about £250 for
>> https://www.exposure-use.com/Brands/Exposure-Lights/Products/2024-Bike-Range/Dynamo
>
> Wow. I've never paid close to that for a bike headlight. Or a car
> headlight, motorcycle headlight, etc.

One hour standlight is pretty cool, but still too rich for my blood.

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