Data Item _em_imaging.nominal_defocus_max

General

Item name
_em_imaging.nominal_defocus_max
Category name
em_imaging
Attribute name
nominal_defocus_max
Required in PDB entries
no
Used in current PDB entries
Yes, in about 6.0 % of entries

Item Description

The maximum defocus value of the objective lens (in nanometers) used to obtain the recorded images. Negative values refer to overfocus.

Item Example

 5000

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]+)?
Deposition data type
int
Deposition regular expression
[+-]?[0-9]+
Units
nanometers

Advisory Boundary Conditions

Minimum Value Maximum Value
-20000 20000