this one is $15:
http://www.marktechopto.com/pdf/products/datasheet/MT3650N3-UV.pdf

or around $35 at 3W:
http://www.ledengin.com/files/products/LZ1/LZ1-00UV00.pdf

both at Digikey.

This email has been sent from a virus-free computer protected by Avast.
www.avast.com
<https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_c=
ampaign=3Dsig-email&utm_content=3Dwebmail>
<#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

On Sun, Feb 28, 2016 at 1:05 AM, David VanHorn <microbrix@gmail.com> wrote:

> Ouch.  $86 ea and up.
>
> On Sat, Feb 27, 2016 at 11:28 AM, embedded systems <piclist9@gmail.com>
> wrote:
>
> >
> >
> http://www.digikey.com/product-search/en/optoelectronics/infrared-uv-visi=
ble-emitters/524328
> >
> > This email has been sent from a virus-free computer protected by Avast.
> > www.avast.com
> > <
> >
> https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_=
campaign=3Dsig-email&utm_content=3Dwebmail
> > >
> > <#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> >
> > On Sat, Feb 27, 2016 at 6:07 PM, David VanHorn <microbrix@gmail.com>
> > wrote:
> >
> > > Is there a source where I can buy a few deep UV leds?   I am taking
> > > pictures of glass under UV light, and even with a Hoya UV(0) filter
> > > (highest blocking available) the UV leds I have are getting through
> > because
> > > they are up at 395 where the filter still passes.  They show up as an
> > > intense blue light in the camera. :(
> > >
> > > I need to move the source down below 350nm so that the filter is more
> > > effective.  I know they are made down to 260 ish, but I need some tha=
t
> I
> > > can actually buy in onesies.
> > > --
> > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > > View/change your membership options at
> > > http://mailman.mit.edu/mailman/listinfo/piclist
> > >
> > --
> > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > View/change your membership options at
> > http://mailman.mit.edu/mailman/listinfo/piclist
> >
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.