Re: photoflood bulbs for gum

In addition to the longer exposure times, the blue photoflood bub
gave a much flatter print, with basically two tones: white, and the
darkest this pigment mix was capable of. So, another reason to avoid
those blue bulbs, in addition to the long exposure times.
kt

On Jan 22, 2006, at 9:49 AM, Katharine Thayer wrote:

> Hi All,
> Recently someone reported very long exposure times for photoflood
> bulbs compared to my times, even though he lives in the same
> climate I live in (cool and wet). It came out in the discussion
> that he was using blue photoflood bulbs (BCA). I said I didn't
> know how those would compare to the ones I use and recommend. Then
> I remembered that I have some blue bulbs in a drawer in the studio.
> I tried it this morning and found that the blue bulb required 5X
> the exposure that a particular test negative would normally require
> using my standard #2 bulb, EBV. So for anyone else who has been
> inspired from my website to try a photoflood, be sure to get the
> EBV bulbs, not something else, but also understand that my short
> times are probably related to the high humidity where I live.
> Katharine
>
Received on Sun Jan 22 12:18:42 2006