At 11:35 AM 7/15/2004, Mark Andy wrote:
>Howdy,
>
>So http://www.bannerengineering.com has a bunch of retroreflective
>material.
>
>At the bottom of this page:
>
>http://info.bannersalesforce.com/xpedio/groups/public/documents/datasheet/63942_reflectors.pdf
>
>is some retroflective adhesive stuff. I'm not as concerned (I don't
>think) about the .7 reflectivity factor since I just want to make a board
>of this stuff and stick it behind the real reflector for faster light
>alignment.
>
>However, it appears they're around $0.21 to $0.23 per in squared. The
>3"x100" roll is $43.50 according to their online store...
>
>Is there a cheaper option for this stuff? Again, all I care about is
>being able to see a reflection when I'm aligning the laser head...
>
>Thanks!
>
>Mark
>
How about some cheap adhesive "mirror" material or even a polished sheet of
metal with appropriate protective coating or even a piece of plywood
sprayed with chrome colored paint? Assuming you don't want an actual glass
mirror. Maybe an RV supply store would have a plastic mirror.
Dick (full of suggestions but no answers)
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