=====ZEISS B Speed Distagon 25mm T1.4 ===== (INSERT SINGLE HERO IMAGE HERE - other images below in media section) ==== Summary ==== ==== Tech Specs ==== | Manufacturer |ZEISS| | Series |B Speed| | Model |Distagon| | Focal Length |25mm| | Max Aperture |T1.4| | Min Aperture |T11| | Format |Academy 35| | Image Circle |-| | Minimum Focus |10 in.| | Focus Rotation |180| | Iris Blades |9| | Optical Design |10 / 9| | Squeeze |none| | Front Diameter |n/a| | Filter Thread |n/a| | Focus/Zoom Rod |n/a| | Native Mount |Arri B| | Data Protocol |none| | Length |3.4 in.| | Weight |550 g| | Body Telescope |-| | Body Material |Aluminum| | Focus Drive |Manual| | Iris Drive |Manual| | Zoom Drive |n/a| ==== History ==== Country of Origin: Germany \\ Release Date: 1974 \\ Launch Price: \\ Design Revisions:\\ ==== Service ==== Service Manual: (Insert link to manual here) \\ \\ Full CLA: **5-7 hrs.**\\ Enter relevant notes here\\ Spray and bake threads: **+1 hr.**\\ Parts on wall with screws. Use M1.5 set screw.\\ Strip and re-paint rear housing: **+1 hr** if getting other service work or **2 hrs** if no other service is included.\\ Enter relevant notes here\\ 80mm Front Ring: \\ 67-80mm Front Ring works well.\\ Replace iris button: see P/N **38201013**\\ Replacing elements: \\ Elements from B-Speed, MkI, MkII, and MkIII Super Speeds are identical and can be interchanged successfully. (confirm?)\\ ==== Notes ==== [[https://thecinelens.com/2016/08/24/whats-in-a-name-a-guide-to-zeiss-super-speeds/]] ==== Media ====