Data Item _em_imaging.c2_aperture_diameter
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General 
- Item name
- _em_imaging.c2_aperture_diameter
- Category name
- em_imaging
- Attribute name
- c2_aperture_diameter
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.7 % of entries
Item Description
The open diameter of the c2 condenser lens,
in microns.
Data Type 
- Data type code
- float
- Data type detail
- float 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]+)?
- Units
- microns
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 1 | 150 |