Focal Length: 25mmBuild Material: Solid knurled aluminum barrelOptics: Dual-layer multi-blade diaphragm for smooth, circular bokehFocusing Style: High-precision manual focus and manual clicked iris rings

Original Mount: These lenses were produced primarily in C-mount or Kodak's proprietary S-mount (often requiring a native adapter ring to mount onto generic C-mount cameras).Digital Conversion: Today, film enthusiasts highly favor these vintage optics for adaptation onto mirrorless camera bodies. They comfortably cover the digital sensors of Micro Four Thirds (MFT) cameras or modern digital cine systems like the Blackmagic Pocket Cinema Camera, introducing a dreamy, distinctive vintage character, high contrast, and smooth background separation.