My best 445 beamshot

[Blackwolf]

Just found this on imgur I was surprised I did not put it on here. 1W no smoke. cool lens flare too. no more phone cam

 

[NKO29]

V.Nice! :beer:

 

[Blackwolf]

Is that 450nm?

Its a M140 so it should be at least 450

 

[SKeeZ]

M140s are listed as 445nm so no, probably not 450.

 

[Blackwolf]

M140s are listed as 445nm so no, probably not 450.

Taken from rhd's wavelength study

The M series seems to average high 440s, or very low 450s.

We shouldn't be calling M series diodes "445s". I've only run into maybe ~15% of the M series diodes that will even drop below 445 at threshold current, and ALL of those will still end up above 445 with any reasonable amount of current.

 

[KapHn8d]

FWIW, if you use a DSLR for photography, you can take a lens with a small aperture capability and stop it down all the way to exaggerate the "star" effect in the photos. A quick Google search provided a visual that may help my explaination: http://d1ax9dx3gero0.cloudfront.net/wp-content/uploads/2011/02/starburst_day.jpg

 

[SerpantSlayer]

You cant tell the difference between 445nm and 450nm and diodes vary wavelength depending on current and temperature so M140 diodes aren't strictly 445nm.