Re: UV light source

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From: Dave & Erin (dfisher@nstar.net)
Date: 06/29/00-08:47:17 AM Z

I have been following all the posts about the BL and BLB tubes. I have come
across a GE sunshine full spectrum fluorescent tube. It says that it
simulates noonday summer sun.

 Could anyone tell me if this light will work for exposing cyanotype and van
dyke browns??

thanks

Erin Fisher

----------
>From: Eric Neilsen <e.neilsen@worldnet.att.net>
>To: alt-photo-process-l@skyway.usask.ca
>Subject: Re: UV light source
>Date: Wed, Jun 28, 2000, 8:56 PM
>

> BL, BLB tubes are actinic lights - a light that allows a reaction to
> proceed
> with uv light that produces an image.
>
> Super Actinic lights have a higher energy uv light , the process can
> faster.
>
> You could classify plate burners as super actinic, but there are many
> different lamps for plate burners.
>
> EJ Neilsen
>
>
> Robert Lyman wrote:
>
>> Hi
>>
>> I know nothing about actinic lights. Am I right in thinking that they are
>> similar to flourescents? I would love to know more if someone can help. If
>> you are printing more than one process ( say gum and pt), would UV tubes be
>> your best bet?
>> Thanks,
>>
>> Bob Lyman ( railroad@northweb.com )
>> http://www.geocities.com/Soho/Workshop/7610/
>> http://www.artists-in-residence.com/users/radiance/
>>
>> From: Ed Stander <glassact@compuserve.com>
>> Subject: UV light source
>>
>> Rod:
>> Super Actinic and aquarium bulbs give a very high output between 390-410
>> nm, making them an excellent source of UV for Platinum, but lousy for some
>> of the other processes such as gum, which is much more photoactive around
>> 360-380 nm. Each process has its own requirements
>
> --
> Eric J. Neilsen
> 4101 Commerce Street, Suite #9
> Dallas, TX 75226
> 214-827-8301
> http://e.neilsen.home.att.net
> http://www.ericneilsenphotography.com
>

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