Homebrew PCBs

On 14/02/2010 14:49, Barry Demers wrote:
> Since you can measure your exposure with accuracy, reduce your distance and
> increase your time.  For example, 6" distance should equate to 6 minutes.
> (half the distance, 1/4 the time).  One thing that I haven't dialed in yet.
> The bulbs have a lifetime, they wear out.  Longer they are on for each job,
> the fewer the jobs before replacement.

Don't forget that you lose collimation with shorter distances.

Leon
-- 
Leon Heller
G1HSM