Various cheap alternatives to Trioplan; lenses producing soap bubble bokeh on Nikon D800 and Sony A7: Adapted Lens Talk Forum: Digital Photography Review
Re: Is this "soap-bubble bokeh"?: Adapted Lens Talk Forum: Digital Photography Review
100mm F2.8 Bubble Bokeh – TTArtisan
Meyer Optik Trioplan 100/f2.8 brings back Soap Bubble Bokeh
Eva Mutoro - Soap Bubble Bokeh
100mm F2.8 Bubble Bokeh – TTArtisan
Soap-bubble bokeh | Playing with the Meyer-Optik Gorlitz Tri… | Flickr
Creating Unique Macro Images with a Vintage Meyer-Optik Goerlitz “Soap Bubble” Lens | Shutterbug
colourful soap bubble floating against a mainly dark background with a streak of light bubble bokeh. There are building reflections in the bubble Stock Photo | Adobe Stock
TTartisan 100mm F2.8 Soap Bubble Bokeh Lens Leica M Mount - Newsshooter