Night Vision Red Flashlight Lens Filter-27.5mm-HD -for Ultrafire-501B/502B-NEW

Description

NEW!
These are custom-made
red
transparent plastic filters for your flashlight. HD stands for "heavy duty"- these are laser-cut filters,
standard thickness for a
deep red light
. I have had a quite a few customer requests for my original, heavy duty filters for a deep red light, excellent for hunting and/or security applications, so this filter should fill that gap. Originally designed for my astronomy students, I am now making them available to the public.
Replaces standard 27.5mm glass lens in
your
Ultrafire 501B
and 502B
flashlight.
Please measure your own flashlight lens/ bezel to insure a proper fit. Edges may be filed down if the filter is a bit large for your own flashlight.
***PLEASE READ:
This listing is for the FILTER ONLY; FLASHLIGHT NOT INCLUDED!
******
Filter is 1.08" (27.5mm) diameter x .06" (1.7mm) thick. Nice
red
color preserves night vision so critical to astronomers in the field and at the telescope.
Brand new
.
Red filters are highly recommended if you are serious about observational astronomy. You don't want to ruin your night vision by using a white flashlight! Don't be unprepared and embarrassed at star parties or other observing events, by being the only one without a red flashlight!
Also recommended for other specialists who usually work in low-light conditions, including pilots, law enforcement professionals, security, and special operations personnel who need to preserve their night vision. These filters are a nice, low-cost alternative to high-priced and hard-to-find red led flashlights!  A must-have for astronomers and observatory personnel! Perfect for astronomy clubs!
I always receive high feedback scores, and my buyers are very satisfied. Please feel free to look at my feedback and see for yourself.
I am a member of the American Astronomical Society (AAS), so you can bid with confidence.
Please feel free to ask me any questions before you bid, or anytime thereafter!
A great big "Thank You" to all my customers for your continued support and wonderful feedback!
Shipping for the U.S. is free! Item/s ship within one business day after payment is received. I want your shopping to be a pleasant and affordable experience.  Thanks for looking!
***We normally ship same day as your order is received!
Thanks for looking!