Soapbubble Bubble bokeh and floral abstracts photographed with Meyer Optik Gorlitz Trioplan 100/2.8 II lens Stock Photo - Alamy
Various cheap alternatives to Trioplan; lenses producing soap bubble bokeh on Nikon D800 and Sony A7: Adapted Lens Talk Forum: Digital Photography Review
Meyer-Optik-Görlitz launches a new “soap bubble” focused Trioplan 100mm f/2.8 E-mount lens. – sonyalpharumors
Trioplan f2.8/100 Returns Artistic Soap Bubble Bokeh to Photographers after 45 Years - Meyer-Optik-Görlitz
Get Famous Soap Bubble Bokeh Lens for Less Than $60 : 3 Steps - Instructables
Soap bubble' bokeh lens to return as Kickstarter project wins massive backing - Amateur Photographer