===== ZEISS Jena Biotar 58mm f/2 ===== {{ :lens:873-carl-zeiss-jena-biotar-58mm-f-2-800x800.png?300|}} ==== Summary ==== ==== Tech Specs ==== | Manufacturer |ZEISS| | Series |Jena| | Model |Biotar| | Focal Length |58mm| | Max Aperture |f/2| | Min Aperture |-| | Format |-| | Image Circle |-| | Minimum Focus |-| | Focus Rotation |°| | Iris Blades |-| | Optical Design |-| | Squeeze |-| | Front Diameter |-| | Filter Thread |40.5mm, 49mm| | Focus/Zoom Rod |-| | Native Mount |M42, Exakta| | Data Protocol |-| | Length |-| | Weight |-| | Body Telescope |-| | Body Material |-| | Focus Drive |-| | Iris Drive |-| | Zoom Drive |-| ==== History ==== Country of Origin: \\ Release Date: \\ Launch Price: \\ Design Revisions: \\ ==== Service ==== Service Manual: (Insert link to manual here) \\ \\ Full CLA: **TBD hrs.**\\ \\ ==== Cine-Mod ==== Focus Ring O.D.: \\ Zoom Ring O.D.: \\ Iris Ring O.D.: \\ De-click Y/N: \\ Additional Notes: \\ ==== Notes ==== ==== Media ====