=====Entaniya HAL 250 4.3mm (Variable Fixed Focus) f/4 ===== {{ :lens:hal-250-4.3mm.jpg?direct&400|}} ==== Summary ==== ==== Tech Specs ==== | Manufacturer |Entaniya| | Series |HAL 250| | Model |-| | Focal Length |4.3mm (Variable Fixed Focus)| | Max Aperture |f/4| | Min Aperture |-| | Format |Variable| | Image Circle |Variable| | Minimum Focus |N/A| | Focus Rotation |N/A| | Iris Blades |N/A| | Optical Design |18/12| | Squeeze |none| | Front Diameter |150mm| | Filter Thread |none| | Focus/Zoom Rod |-| | Native Mount |MFT, E, EF| | Data Protocol |none| | Length |4.7 in.| | Weight |1.8kg| | Body Telescope |none| | Body Material |Aluminum| | Focus Drive |Fixed| | Iris Drive |Fixed| | Zoom Drive |-| ==== History ==== Country of Origin: Japan \\ Release Date: - \\ Launch Price: - \\ Design Revisions:\\ ==== Service ==== Service Manual: [[staff:servicedb:entaniyahal250|Disassembly/Re-assembly]] \\ \\ Full CLA: **send lens to factory**\\ front element lock ring is glued well\\ Change collimation: **1 hr.**\\ https://www.youtube.com/watch?v=0D3dZoRUL30&t=42s\\ Change iris disk: **1 hr.**\\ https://www.youtube.com/watch?v=ujljz6lGYuA&t=88s \\ Change mount: **1 hr.**\\ https://www.youtube.com/watch?v=Yw2cRl2KYUI \\ ==== Notes ==== ==== Media ====