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Alaska Northern Lights · $$$$$ · Updated March 3, 2026

NorthStar

A top-10 lamp for melanopic output, #9 of 57. It flickers at full power, a dealbreaker if you are sensitive to flicker.

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A rectangular, white fronted briefcase with a black handle, viewed from above against a light background.
Is it strong enough?#9 of 57

Yes. It meets the 10,000 lux benchmark at 1 ft.

10,145 m-EDI at 1 ft · 3,865 at 2 ft

1,0003,00010,000 benchmark40,000
Is it comfortable to sit in front of?Comfortable

Yes. Glare is low.

81 at 1 ft · 30 at 2 ft · median 112

101001,0003,200
Does it flicker?High risk

Yes. High flicker risk at full power.

18% modulation at max

Flicker index
0.0540
SVM
0.605
What does the light look like?4350K

Neutral white, muted color.

CRI Re 71 · R9 26 (weak deep reds)

2700K warm7500K cool

All test data

Light outputMeasured at 1 ft and 2 ft
m-EDI
10,145
3,865 at 2 ft
Lux
17,665
6,555 at 2 ft
CLa
19,535
6,790 at 2 ft
Glare
81
30 at 2 ft

m-EDI 10,145 at 1 ft, 3,865 at 2 ft

Glare 81 at 1 ft, 30 at 2 ft

SpectrumOutput at the highest setting
400450500550600650700750Wavelength (nm)1.00546 nm490 nm melanopic peak
Melanopic DER
0.57
m-EDI per lux. Daylight (D65) is 1.0.
CCT
4350K
Fixed
Gap from natural light
78%
Far. Average spectral difference (ASD) from natural light at the same color temperature, 425 to 690 nm.

Lamp output

FlickerGreen is safe, amber is acceptable, red is past the limit

Full powerDimmed not tested

Percent flicker
18%
Flicker index
0.0540
SVM
0.605
PstLM
0.077
Assist Mp
0.045
Waveform, 1 second
1.000 s1 s

A flat line near 1.0 means steady light.

Color renderingHow accurately colors and skin tones look under this lamp
CRI Re
71
R9 (deep red)
26
TM-30 Rf
77
TM-30 Rg
99
Neutral saturation
Specifications
Form factor
Large panel
Brightness
Fixed
Color temperature
Fixed
Power
100 W
Voltage
120V
Cord length
7 ft
Mounting
None
Extra features
Works with a smart plug
Available in
United States, Canada

If flicker matters to you