https://petapixel.com/2022/04/14/the-ms-optics-handmade-sonnetar-50-f-1-3-lens-has-a-vintage-vibe/
The MS Optics Handmade Sonnetar 50 f/1.3 Lens has a Vintage Vibe | PetaPixel
Apr 25, 2022 - MS Optics's Sonnetair 50mm f/1.3 has an old-school 60s vibe that screams a vintage look and buttery bokeh.