[pure-silver] Re: I GUESS NOT was ANYONE TRY THIS SILLY IDEA?
- From: Bob Younger <ryounger@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Fri, 27 May 2011 05:25:12 -0700
Bob,
My Devere uses 4 x 300 Watt halogen bulbs. No substitutions allowed
.........
Bob
On May 27, 2011 3:07 AM, "BOB KISS" <bobkiss@xxxxxxxxxxxxx> wrote:
> Hmmm, not one reply. I guess no one has either tried it or thought it
worth
> trying.
>
> CHEERS!
>
> BOB
>
>
>
> _____
>
> From: BOB KISS [mailto:bobkiss@xxxxxxxxxxxxx]
> Sent: Wednesday, May 25, 2011 1:57 PM
> To: 'pure-silver@xxxxxxxxxxxxx'
> Subject: ANYONE TRY THIS SILLY IDEA?
>
>
>
> DEAR LIST,
>
> Has anyone ever tried using a "watt saver" fluorescent bulb in
> their enlargers? The issues and considerations:
>
>
>
> 1) Why bother? To allow all the advantages of efficiency and less heat
> (no negative popping etc) while using your condenser lenses.for those who
> like condenser enlargers. Commercially available cold light heads are
> predominantly diffusion sources.
>
> 2) All fluorescent bulbs are "hybrid" i.e., a blend of line spectrum and
> continuous spectrum. Sure, but then again, so are all cold light heads!
>
> 3) Color? Watt savers are available in the usual cool white and also a
> warmer color. I own both. Again, with hybrid spectra, one never knows what
> it will be.
>
> 4) The color spectrum will be less of an issue with graded paper than
> with VC/Multigrade paper.
>
> 5) Most watt savers are spiral tubes and may very well cause unevenness
> on the paper plane. True, but I have some that are in the usual frosted
> envelope. They are not as perfect as the "opal" frosting of enlarger
bulbs.
> Yes, I know that condenser lenses focus the light source into the entrance
> pupil of the enlarging lens and the enlarging lens focuses the negative
onto
> the easel. But I wonder if the frosted bulbs will be even enough. Hmmm.
>
>
>
> This may all be fanciful speculation but then again, who know.
>
> CHEERS!
>
> BOB
>
> PS: Just so you know, I swear by my cold light diffuse source. I am just
> curious about the idea above.
>
>
>
>
>
> Please check my website: <http://www.bobkiss.com/> http://www.bobkiss.com/
>
>
>
>
> "Live as if you are going to die tomorrow. Learn as if you are going to
> live forever". Mahatma Gandhi
>
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