RE: densitometers

[Kostas Papakotas <clenchedteethphotography@xxxxxxxx>]

for two BIG reasons...

you cannot easily have a flashlights that is Totally perfectly regulated...that means totally flat runtime...though Quality Protected rechargable 16340 Li-ions help in that

AND No matter how good the flashlight there is NO manufacturer that will guarantee a particluar tint (LED Color)....It is called bining, where each batch made is tested and sorted for colpr and output...then is put in a cattegory..BUT withing each category there is a variance
then comes the tint shift if the flashlight is current regulated (not PWM)..changes to lower outputs....

too many variables....I would stick with a homemade regulator...FLAT

Από: mark@xxxxxxxxxxxxxxxxxxxx <mark@xxxxxxxxxxxxxxxxxxxx>
Θέμα: RE: densitometers
Προς: "List for Photo/Imaging Educators - Professionals - Students" <photoforum@xxxxxxxxxxxxxxxxxx>
Ημερομηνία: Κυριακή, 18 Οκτώβριος 2009, 8:14

Well after some thought the LEDs seem to be the way to go, but using the
KISS principle why not just use an LED flashlight???

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