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Lastar · $$ · Updated April 8, 2026

CM019

Ranks #50 of 57 for melanopic output, below the 10,000 lux benchmark at 1 ft. No flicker at full power.

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A modern, dome-shaped digital clock with a white upper half and a gray fabric lower half. The time 9:59 is displayed in orange numbers on the bottom section.
Is it strong enough?#50 of 57

No. Only 19% of the 10,000 lux benchmark at 1 ft.

1,895 m-EDI at 1 ft · 540 at 2 ft

1,0003,00010,000 benchmark40,000
Is it comfortable to sit in front of?7th gentlest

Yes. Glare is low.

60 at 1 ft · 17 at 2 ft · median 112

101001,0003,200
Does it flicker?No risk

No, at full power. Dimmed not tested.

What does the light look like?6950K

Cool daylight, muted color.

CRI Re 80 · R9 29 (weak deep reds)

2700K warm7500K cool

All test data

Light outputMeasured at 1 ft and 2 ft
m-EDI
1,895
540 at 2 ft
Lux
2,070
605 at 2 ft
CLa
3,180
845 at 2 ft
Glare
60
17 at 2 ft

m-EDI 1,895 at 1 ft, 540 at 2 ft

Glare 60 at 1 ft, 17 at 2 ft

SpectrumOutput at the highest setting
400450500550600650700750Wavelength (nm)1.00450 nm490 nm melanopic peak
Melanopic DER
0.92
m-EDI per lux. Daylight (D65) is 1.0.
CCT
6950K
4 levels
Gap from natural light
30%
Far. Average spectral difference (ASD) from daylight 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
n/a
Flicker index
n/a
SVM
n/a
PstLM
n/a
Assist Mp
n/a
Waveform, 1 second

Waveform not measured.

A flat line near 1.0 means steady light.

Color renderingHow accurately colors and skin tones look under this lamp
CRI Re
80
R9 (deep red)
29
TM-30 Rf
83
TM-30 Rg
97
Slightly desaturated (100 is neutral)
Specifications
Form factor
Desktop
Brightness
5 levels
Color temperature
4 levels
Cord length
6 ft
Mounting
None
Extra features
Built-in timer
Available in
United States, Canada, United Kingdom, European Union, Australia, Ships globally

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