We can’t have enough of sw45k do we? 
FWIW before my TS10 died, during a first-time hurried/preliminary measurement session I got -0.0028 with amateur-equipments Opple LM3 and -0.0009 with LM4. Have reviewers never get these negative numbers specifically at Turbo 1100 lm?
BTW I have D4K with 519a 5700k DD, exactly same light as in list of
Toykeepers favorite lights . In beautiful red color with stainless steel bezel. But it’s part of a 3 light Xmas gift package so I can’t touch it yet.