Titan Krios #2
E-CFEG, Falcon4i

A 300kV TFS Titan Krios G4 with E-CFEG and FalconIV

The Titan Krios G4 with Cold-FEG and Falcon IV detector: A powerful instrument for single particle Cryo-EM at ultra-high resolution.

This instrument is equipped as the one above, but without the energy filter.

Instrument Parameters


  • Accelerating Voltage
    80 ... 300 kV
  • Electron Source
    E-CFEG (Cold FEG)
  • Stage Tilt Range
    ± 70°
  • C1 Apertures
    2000, 70, 50 and 30 µm
  • C2 Apertures
    150, 100, 50 and 20 µm
  • Objective Apertures
    100, 70 and 30 µm
  • Operating Temperature
    ~80 K
  • Information Limit at 300kV at 0° / ±70° tilt
    0.12 nm / 0.23 nm
  • Cs
    2.7 mm
  • Number of cartridge positions for grids
    12 total
  • Sample exchange time
    ~3 mins from autoloader cassette to column
  • Camera
    Falcon4i
  • Camera pixels
    14 micrometer pixel size, 4096x4096 pixels, Electron Event Recording capable
  • Camera Performance DQE (1/2 Nyquist)
    0.70
  • Camera Performance DQE (Nyquist)
    0.28
  • Acquisition software
    SerialEM, EPU and TFS Tomography