Author | Comment | Last activity | Moderation | ||
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jevs | "I cannot find anything lower than 2700K, so I am going to order a 5W 2700K...hope it works out. " | Read more » | about 5 years ago | |||
Matej | "Cool! Thanks Jeff! This is helpful. " | Read more » | over 8 years ago | |||
warren | "What I did to compare is to calibrate on a CFL, then scan a tube fluorescent, so that the methodology for calibration is the same: https://spectra..." | Read more » | over 8 years ago | |||
Matej | "Interesting. I actually did kind of an "educated guess" calibration but I couldn't find more but one blue peak. I know that in the "usual" CFL ther..." | Read more » | over 8 years ago | |||
warren | "Actually this looks calibrated, no? " | Read more » | over 8 years ago | |||
Matej | "@warren: in response to: "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/1..." | Read more » | over 8 years ago | |||
Matej | "@ethanbass for calibration I am not smoothing the spectra. I just thought it could be helpful when comparing them and adding them to a set. " | Read more » | over 8 years ago | |||
Matej | "Hi Jeff, Thanks for the info about the bug! I Will recalibrate right away. I discussed with Gretchen and I think I will keep using this bulb since ..." | Read more » | over 8 years ago | |||
dhaffnersr | "Hey Jeff, your right I just thought about it, it will calibrate, it's just you can't get a good fit. " | Read more » | over 8 years ago | |||
warren | "that continuous band on the blue spectrum gives poor calibration Dave, I don't think it's quite accurate to say that they give poor calibration. T..." | Read more » | over 8 years ago | |||
warren | "Can you try re-calibrating this one, as I think it was calibrated during a brief bug (it shows being calibrated on 1/26/16) which was since fixed. ..." | Read more » | over 8 years ago | |||
warren | "Hi, Matej - it also looks like some of your spectra are not calibrated, or perhaps not properly? I'm seeing some not aligned. But all of them seem..." | Read more » | over 8 years ago | |||
dhaffnersr | "Hello Matej! Those "humps" that you are getting from the daylight bulbs are the very reason I don't use them, that continuous band on the blue spec..." | Read more » | over 8 years ago | |||
ethanbass | " " | Read more » | over 8 years ago | |||
ethanbass | "Hey Matej, there's something going wrong with the way your second and third sets are showing up there! They've got all of those squiggles showing u..." | Read more » | over 8 years ago | |||
stoft | "Glad this note is helpful. Between using a "clean" CFL spectrum for wavelength calibration, a sharp narrow slit, performing a gain-correction and b..." | Read more » | almost 9 years ago | |||
liz | "It's REALLY helpful to see your explanation of how daylight bulbs are enhanced in a way that affects the peaks we need to calibrate, so that we sho..." | Read more » | almost 9 years ago | |||
dhaffnersr | "Hey Dave! Man this is great tech info, love it, the 23w cfl that I use is 1600 lumens, I can see by the graph data that I may try the 14w and see h..." | Read more » | almost 9 years ago |