This should have been a short and simple video, where I test the accuracy of the new spectrometer with some lasers. But I got excited, carried away and ended up testing a lot of lasers - including the power of them all.
So the video is now my second longest ever - edited down to under 15 minutes and jam-packed with info and details for the enthusiast. Hang on for an intense journey into my laser collection. Some will disappoint - others will shine!
And I finally reveal, if the Hercules laser can still be called a 400+ mW strong 532 nm laser...