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Sweet Sixteen LED

  • Focus Position 4
  • Focus Position 9
  • Image 3

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Product Description

The Sweet Sixteen LED lighting system consist of an array of sixteen 8 Watt LEDs for a total of 128 Watts. The LED light source slides aling a focusing tube, which also supports the umbrella shaft. The light source is aligned with the axis of symmetry of the umbrella. Reference markers on the focusing tube make duplication of lighting setup easy. Photometrics are provided for the following Profoto and Westcott umbrellas.







 What is CRI?

Color rendering index or CRI is an objective quantification of the color rendering ability of a light source, in comparision to an ideal or natural light source. The color rendering indices (Ri) consist of 8 sample colors (R1 to R8) which are unstaturated. CRI or Ra is the average of these colors only. There are also 7 additional colors (R9 to R15) which include realistic colors like red, yellow, green, blue, caucasian skin color, tree leaf green and asian skin color respectively. Test color samples R9 through R15 do not contribute to the computation of CRI or Ra. One number can not tell you everything, yet this is the only number specified by most manufacturers. Some LEDs score poorly on R9, which is a saturated red. Red is a common color we see daily. If a light source can not accurately render red, things that are reddish will look dull. Skin tones may look pale. The Sweet Sixteen LED source scores a CRI of 96 for R9. Caucasian skin color is represented by R13. The Sweet Sixteen LED source scores a CRI of 98 for R13. Asian skin R15 scores a CRI of 96.


CRI measurements taken with a Konica Minolta CL-500A Illuminance Spectrophotometer. The bar graph on the left are actual readings taken on a Sweet Sixteen LED light source with a color temperature of 5600K. The bar graph on the right are actual readings taken from a typical LED source.Note the huge difference in R9 between the Sweet Sixteen LED light source and the typical LED source.


Dimensions: Light source: 6.25" W x 6.25" H x 4" D.

                         Light stand mount: 5" W x 3" H x 4.25" D.

                         Focus tube/Umbrella shaft support: .50" Diameter x 22.5" Long.

                         Power supply: 3.25" W x 6.25" H x 1.75" D.

                         Power supply cord length: 15 Ft.

                         Power supply mount: 4.5" W x 2.5" H x 6.5" D.

Weight: 6.5 lbs. Shipping weight: 8 lbs.

LED: Designed to be used with umbrellas. 5600K Color Temperature. 128Watts.

Light Output: See Photometric Diagrams for various Profoto and Westcott Umbrellas above.

Color Rendering Index: Ra: 96 (Average of R1 through R8), R9: 96.

Umbrella Support: 7mm or 8mm shaft, uo to 7 Ft. parabolic.

Light Stand Mount: 5/8 inch diameter stud.

What's in the box?

1) LS800 Sweet Sixteen LED light source.

2) Light stand mount with focus tube/umbrella shaft support.

3) Power Supply, 150 Watts, 120V with 15 Ft. power cord.

4) Power supply mount.

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