Posts for Tag: lenses
Project ZenzaNOT (1/4): Making multi-element art-bokeh lenses for Bronica from surplus $5 glass
November 1, 2026
I built three swirly / tie-dye lenses for the Bronica S2, with 3d printed native-mounting housings
Project ZenzaNOT (2/4): The 3d printed lens housing and SCADwright
November 1, 2026
A snap-together 3d printed housing for the Bronica S2, using SCADwright
Project ZenzaNOT (3/4): The lens design process
November 1, 2026
Treating lens design as an optimization problem over cheap surplus elements, with AI-built tools and 1930s optical formulas
Project ZenzaNOT (4/4): What makes a lens swirl
November 1, 2026
What swirl actually is, and which optical properties of a lens produce it
A Focusing Scale Generator for the Bronica S2
June 12, 2026
Select your focal lengths, and export to PDF for paper or DXF for engraving
