NiSi Switch-Two -- 100mm filter system with no vignetting 16mm

ahsanford

Particular Member
Aug 16, 2012
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Screen Shot 2019-09-30 at 11.23.06 AM.png
Can someone explain to me how a 100mm system with two slotted filters and an 82mm CPL in there does not vignette at 16mm?

People keep making nutty 100mm system claims about stacking three filters on UWA angled FF lenses without vignetting.

Unless everything is paper thin (and a quick B&H check pegs their 100mm filters at a standard 2mm), basic trigonometry should render the above claim as nonsense, right?

- A