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Technical Bulletin 

 

 

 

 

Page 2 of 8 

Creating a Lens Calibration File 

Setting up to Take the Calibration Shot 

What you will need: a Leaf diffuser or any white diffusing sheet that will fully cover the lenses to be used. 

1.  Connect the camera back to the Leaf Capture software. 

2.  Place the camera in front of a uniform light source.  

Tip: 

A studio flash with a soft box is recommended. 

 

With this setup, you can now create the lens calibration file using Leaf Capture’s calibration wizard. 

Summary of Contents for AFi-II

Page 1: ...ion files are reference files that characterize certain properties of the lens and enable the software to improve the quality of the image For example the lens calibration file will reduce any non uniformity of color or vignetting to an absolute minimum With each camera back Leaf provides a unique lens calibration file for each commonly used lens and a generic lens calibration file for manual lens...

Page 2: ...ser or any white diffusing sheet that will fully cover the lenses to be used 1 Connect the camera back to the Leaf Capture software 2 Place the camera in front of a uniform light source Tip A studio flash with a soft box is recommended With this setup you can now create the lens calibration file using Leaf Capture s calibration wizard ...

Page 3: ...is enables you to take shots with the lens calibration file 4 Click Save 5 In the Save Lens File dialog box name and save the lens calibration file It is recommended to give a logical name to the file for instance AFi 110mm It is highly recommended that you save all of your lens calibrations in the default location Tip If you are not in the default location click Lens Calibration Folder to access ...

Page 4: ...pecify the lens you are using and the lens calibration file when you connect the camera back to the Leaf Capture software 1 Start the Leaf Capture software 2 Click Open Camera Configuration to open the Camera Configuration dialog box 3 In the Camera Configuration dialog box from the Lens list select the appropriate lens calibration file and click OK Use the reference table below to determine the c...

Page 5: ... length is displayed in the EXIF information on the Info panel to access tap the info button in Shoot view Check that the lens you are using is detectable by the camera back by examining the EXIF info of an existing image captured with this lens If the lens is undetectable manually enter the focal length as a numeric value to be recorded to the EXIF data 1 On the camera back in the Camera view cam...

Page 6: ... Select the lens calibration file for the lens type used to create the image s Use the reference table below to determine the correct lens calibration file for the lens you are using Tip Click Lens Calibration Folder to access the default lens calibration files folder directly Tip If you are not sure which lens was used to capture the image first check the lens Focal Length value in the EXIF data ...

Page 7: ...ens S Angulon 40mm f 3 5 ext tube 34 67mm AFi TX 180mm LFXXXX mos Super Angulon 50mm f 2 8 Generic Lens S Angulon 50mm f 2 8 ext tube 26 67mm AFi TX 180mm LFXXXX mos S Angulon 80mm f 2 8 Generic Lens S Angulon 80mm f 2 8 ext tube 22 67mm AFi TX 180mm LFXXXX mos Apo Symmar 90mm f 4 Generic Lens Apo Symmar 90mm f 4 ext tube 34 67mm AFi TX 180mm LFXXXX mos Zeiss Planar 110mm f 2 Generic Lens Zeiss Pl...

Page 8: ...45 35 mm LFXXXX mos AF 45mm f 2 8 Generic Lens AF 55mm f 2 8 Generic Lens AF 80mm f 2 8 Generic Lens AF 120mm f 2 8 M645 120 mm LFXXXX mos AF 150mm f 3 5 M645 150mm 210mm LFXXXX mos Sekor D 150mm f 2 8 M645 150mm 210mm LFXXXX mos AF 210mm f 2 8 M645 150mm 210mm LFXXXX mos AF 55 110mm f 3 5 M645 Z 55 110mm LFXXXX mos Reference table for Hasselblad V series cameras Lens Used Name of Lens Calibration...

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