Filtered Light Sources
Spectrographic analysis of sunlight filtered by a red Tristar 25A photographic filter.
Spectrographic analysis of sunlight with the soft red plastic "bung" that fits on the sensor of the USB2000 Spectrometer.
Spectrographic analysis of a GE #D36 Satan Bright incandescent Christmas bulb in blue-green.
Spectrographic analysis of the bulb in the Halloween Safety Blinker (2).
Spectrographic analysis of the bulb in the Halloween Safety Blinker (2); filtered by the skull.
Spectrographic analysis of the incandescent bulb in the Field & Stream Magnet Flashing Light (amber flasher mode).
Spectrographic analysis of the incandescent bulb in the Field & Stream Magnet Flashing Light (red flasher mode).
Spectrographic analysis of the LED (both red & blue filters) in the Garrity LED Aluminum Flashlight (2).
Spectrographic analysis of the LED (blue filter) in the Garrity LED Aluminum Flashlight (2).
Spectrographic analysis of the LED (red filter) in the Garrity LED Aluminum Flashlight (2).
Spectrographic analysis of the LED (red filter) in the Garrity LED Aluminum Flashlight.
Spectrographic analysis of the LED (blue filter) in the Garrity LED Aluminum Flashlight.
Spectrographic analysis of the LED (both filters) in the Garrity LED Aluminum Flashlight.
Spectrographic analysis of the LEDs in the ikan iLED 100 Light Kit (lighter orange filter gel used).
Spectrographic analysis of the LEDs in the ikan iLED 100 Light Kit (darker orange filter gel used).
Spectrographic analysis of the LEDs in the ikan iLED 100 Light Kit (both orange filter gels used).
Spectrographic analysis of the bulb in the Halloween Blinking Safety Light (2).
Spectrographic analysis of the bulb (filtered with the red filter) in the Fright Light.
Spectrographic analysis of the bulb (filtered with the yellow filter) in the Fright Light.
Spectrographic analysis of the bulb (filtered with the blue filter) in the Fright Light.
Spectrographic analysis of the bulb (filtered with the red & yellow filters) in the Fright Light.
Spectrographic analysis of the bulb (filtered with the yellow & blue filters) in the Fright Light.
Spectrographic analysis of the bulb in the Halloween Safety Blinker, filtered by the slide-up Jack-O-Lantern.
Spectrographic analysis of the "Trixar" red filter (from a box of Trix cereal); filtering the low-intensity incandescent lamp in my SureFire 10X Dominator.
Spectrographic analysis of the LED (red filter) in the Garrity Aluminum Flashlight.
Spectrographic analysis of the LED (blue filter) in the Garrity Aluminum Flashlight.
Spectrographic analysis of one of the LED bulbs in the Philips LED Halloween Lights.
Spectrographic analysis of one of the light bulbs in the Spider Web Lights.
Spectrographic analysis of one of the "purple" lamps in the Forever Bright Christmas Lights (2).
Spectrographic analysis of a red "party" incandescent light bulb.
Spectrographic analysis of a yellow "party" incandescent light bulb.
Spectrographic analysis of a green "party" incandescent light bulb.
Spectrographic analysis of a blue "party" incandescent light bulb.
Spectrographic analysis of an incandescent "black lite" bulb.
Spectrum of the red filtered LED in a Gerber Recon Flashlight.
Spectrum of the green filtered LED in a Gerber Recon Flashlight.
Spectrum of the blue filtered LED in a Gerber Recon Flashlight.
Spectrum of a blue LED with a White Cap LED Condom over it.
Spectrum of a blue LED with a White Cap LED Filter over it.
Spectrum of a blue LED with a White Cap LED Filter over it.
Spectrum of a blue LED with a White Cap LED Filter over it.
Spectrum of a blue LED with a White Cap LED Filter over it.
All White Cap spectra were taken using a Nichia NSPB520BS 3mm blue LED.
Spectrum of an incandescent lamp filtered with Coherent argon
laser safety goggles; advertised as "OD 5 at 515nm and below".