Lastar · $ · Updated April 8, 2026
CM018B
Ranks #53 of 57 for melanopic output, below the 10,000 lux benchmark at 1 ft. No flicker at full power.
Affiliate disclosure: this page contains affiliate links. I may earn a commission at no extra cost to you.
Is it strong enough?#53 of 57
No. Only 17% of the 10,000 lux benchmark at 1 ft.
1,695 m-EDI at 1 ft · 425 at 2 ft
Is it comfortable to sit in front of?Comfortable
Yes. Glare is low.
90 at 1 ft · 23 at 2 ft · median 112
Does it flicker?No risk
No, at full power. Dimmed not tested.
What does the light look like?6450K
Cool daylight, muted color.
CRI Re 79 · R9 23 (weak deep reds)
2700K warm7500K cool
All test data
Light outputMeasured at 1 ft and 2 ft
m-EDI
1,695
425 at 2 ft
Lux
1,910
495 at 2 ft
CLa
2,770
650 at 2 ft
Glare
90
23 at 2 ft
m-EDI 1,695 at 1 ft, 425 at 2 ft
Median 3,43010,000 benchmark2 ft1 ft
Glare 90 at 1 ft, 23 at 2 ft
Median 1122 ft1 ft
SpectrumOutput at the highest setting
Melanopic DER
0.89
m-EDI per lux. Daylight (D65) is 1.0.
CCT
6450K
4 levels
Gap from natural light
31%
Far. Average spectral difference (ASD) from daylight at the same color temperature, 425 to 690 nm.
Lamp outputBody-clock zone (melanopic, CIE S 026)Natural light, same color temperature
FlickerGreen is safe, amber is acceptable, red is past the limit
Full powerDimmed not tested
Percent flickern/a
Flicker indexn/a
SVMn/a
PstLMn/a
Assist Mpn/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
79
R9 (deep red)
23
TM-30 Rf
83
TM-30 Rg
96
Slightly desaturated (100 is neutral)
Specifications
- Form factor
- Desktop
- Brightness
- 5 levels
- Color temperature
- 4 levels
- Cord length
- 4.9 ft
- Mounting
- None
- Extra features
- Built-in timer
- Available in
- United States
