## MRC Tags

Tags extracted from Medical Research Council (MRC) format imaging files. See https://www.ccpem.ac.uk/mrc_format/mrc2014.php for the specification.

> Index4 | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 0 | ImageWidth | no |
> 1 | ImageHeight | no |
> 2 | ImageDepth | no | (number of sections. Use ExtractEmbedded option to extract metadata for all sections)

> 3

> ImageMode

> no

> 0 = 8-bit signed integer 1 = 16-bit signed integer 2 = 32-bit signed real 3 = complex 16-bit integer 4 = complex 32-bit real 6 = 16-bit unsigned integer

> 4 | StartPoint | no |
> 7 | GridSize | no |
> 10 | CellWidth | no | (cell size in angstroms)
> 11 | CellHeight | no |
> 12 | CellDepth | no |
> 13 | CellAlpha | no |
> 14 | CellBeta | no |
> 15 | CellGamma | no |
> 16 | ImageWidthAxis | no | 1 = X 2 = Y 3 = Z
> 17 | ImageHeightAxis | no | 1 = X 2 = Y 3 = Z
> 18 | ImageDepthAxis | no | 1 = X 2 = Y 3 = Z
> 19 | DensityMin | no |
> 20 | DensityMax | no |
> 21 | DensityMean | no |
> 22 | SpaceGroupNumber | no |
> 23 | ExtendedHeaderSize | no |
> 26 | ExtendedHeaderType | no |
> 27 | MRCVersion | no |
> 49 | Origin | no |
> 53 | MachineStamp | no |
> 54 | RMSDeviation | no |
> 55 | NumberOfLabels | no |
> 56 | Label0 | no |
> 76 | Label1 | no |
> 96 | Label2 | no |
> 116 | Label3 | no |
> 136 | Label4 | no |
> 156 | Label5 | no |
> 176 | Label6 | no |
> 196 | Label7 | no |
> 216 | Label8 | no |
> 236 | Label9 | no |

## MRC FEI12 Tags

Tags extracted from FEI1 and FEI2 extended headers.

> Index1 | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 0 | MetadataSize | no |
> 4 | MetadataVersion | no |
> 8 | Bitmask1 | no |
> 12 | TimeStamp | no |
> 20 | MicroscopeType | no |
> 36 | MicroscopeID | no |
> 52 | Application | no |
> 68 | AppVersion | no |
> 84 | HighTension | no | (volts)
> 92 | Dose | no | (electrons/m2)
> 100 | AlphaTilt | no |
> 108 | BetaTilt | no |
> 116 | XStage | no |
> 124 | YStage | no |
> 132 | ZStage | no |
> 140 | TiltAxisAngle | no |
> 148 | DualAxisRot | no |
> 156 | PixelSizeX | no |
> 164 | PixelSizeY | no |
> 220 | Defocus | no |
> 228 | STEMDefocus | no |
> 236 | AppliedDefocus | no |
> 244 | InstrumentMode | no | 1 = TEM 2 = STEM
> 248 | ProjectionMode | no | 1 = Diffraction 2 = Imaging
> 252 | ObjectiveLens | no |
> 268 | HighMagnificationMode | no |
> 284 | ProbeMode | no | 1 = Nano 2 = Micro
> 288 | EFTEMOn | no | 0 = No 1 = Yes
> 289 | Magnification | no |
> 297 | Bitmask2 | no |
> 301 | CameraLength | no |
> 309 | SpotIndex | no |
> 313 | IlluminationArea | no |
> 321 | Intensity | no |
> 329 | ConvergenceAngle | no |
> 337 | IlluminationMode | no |
> 353 | WideConvergenceAngleRange | no | 0 = No 1 = Yes
> 354 | SlitInserted | no | 0 = No 1 = Yes
> 355 | SlitWidth | no |
> 363 | AccelVoltOffset | no |
> 371 | DriftTubeVolt | no |
> 379 | EnergyShift | no |
> 387 | ShiftOffsetX | no |
> 395 | ShiftOffsetY | no |
> 403 | ShiftX | no |
> 411 | ShiftY | no |
> 419 | IntegrationTime | no |
> 427 | BinningWidth | no |
> 431 | BinningHeight | no |
> 435 | CameraName | no |
> 451 | ReadoutAreaLeft | no |
> 455 | ReadoutAreaTop | no |
> 459 | ReadoutAreaRight | no |
> 463 | ReadoutAreaBottom | no |
> 467 | CetaNoiseReduct | no | 0 = No 1 = Yes
> 468 | CetaFramesSummed | no |
> 472 | DirectDetElectronCounting | no | 0 = No 1 = Yes
> 473 | DirectDetAlignFrames | no | 0 = No 1 = Yes
> 490 | Bitmask3 | no |
> 518 | PhasePlate | no | 0 = No 1 = Yes
> 519 | STEMDetectorName | no |
> 535 | Gain | no |
> 543 | Offset | no |
> 571 | DwellTime | no |
> 579 | FrameTime | no |
> 587 | ScanSizeLeft | no |
> 591 | ScanSizeTop | no |
> 595 | ScanSizeRight | no |
> 599 | ScanSizeBottom | no |
> 603 | FullScanFOV_X | no |
> 611 | FullScanFOV_Y | no |
> 619 | Element | no |
> 635 | EnergyIntervalLower | no |
> 643 | EnergyIntervalHigher | no |
> 651 | Method | no |
> 655 | IsDoseFraction | no | 0 = No 1 = Yes
> 656 | FractionNumber | no |
> 660 | StartFrame | no |
> 664 | EndFrame | no |
> 668 | InputStackFilename | no |
> 748 | Bitmask4 | no |
> 752 | AlphaTiltMin | no |
> 760 | AlphaTiltMax | no |
> 768 | ScanRotation | no |
> 776 | DiffractionPatternRotation | no |
> 784 | ImageRotation | no |
> 792 | ScanModeEnumeration | no | 0 = Other 1 = Raster 2 = Serpentine
> 796 | AcquisitionTimeStamp | no |
> 804 | DetectorCommercialName | no |
> 820 | StartTiltAngle | no |
> 828 | EndTiltAngle | no |
> 836 | TiltPerImage | no |
> 844 | TitlSpeed | no |
> 852 | BeamCenterX | no |
> 856 | BeamCenterY | no |
> 860 | CFEGFlashTimeStamp | no |
> 868 | PhasePlatePosition | no |
> 872 | ObjectiveAperture | no |

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Apr 22, 2021

<-- ExifTool Tag Names