Data Item _em_micrographs.nominal_defocus
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General 
- Item name
- _em_micrographs.nominal_defocus
- Category name
- em_micrographs
- Attribute name
- nominal_defocus
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The nominal defocus e.g. 2.00
Data Type 
- Data type code
- float
- Data type detail
- int item types are the subset of numbers that are the floating numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?