mathieu stern photography double exposure border trichromy 3d portrait portrait colors portraits bokeh landscape film paris exo lifelapse azores break uv shop lut print star wars double exposures photoshop actions lens museum blog contact menu mathieu stern photography double exposure border trichromy 3d portrait portrait colors portraits bokeh landscape film paris exo lifelapse azores break uv shop lut print star wars double exposures photoshop actions lens museum blog contact prev thumbnail