STEMI - A CARL ZEISS PRO

An electron microscope is a high-powered scientific instrument that uses a focused beam of electrons, rather than light, to image objects at a nanometer or atomic scale. Offering magnification up to 1,000,000X or more, they are vital for studying materials science and biological structures, providing detailed information on topography, morphology, and composition.

Key Types of Electron MicroscopesScanning Electron Microscope (SEM): Scans the surface of a sample to create 3D topographic images. Used for observing surface features, fractures, and composition.Transmission Electron Microscope (TEM): Transmits electrons through a thin specimen to image internal structures, such as organelles or atomic arrangements.Scanning Transmission Electron Microscope (STEM): Combines TEM and SEM techniques by scanning a tiny probe across a thin sample.How It WorksElectron Source: A tungsten filament or field emission gun generates a stream of electrons.

Electromagnetic Lenses: Instead of glass lenses, electron microscopes use electromagnetic fields to focus the electron beam, as electrons are charged particles.Vacuum System: The entire column is kept under a high vacuum to allow electrons to travel freely without interacting with air molecules.Imaging: Interactions between the electrons and the specimen are detected to form an image on a screen or digital detector.Key ApplicationsMaterials Science: Analyzing microstructures, grain structures, and defects in metals, polymers, and composites.Semiconductor & Electronics: Failure analysis, defect detection in microchips, and nanotechnology research.Biological & Pharmaceutical Research: Studying viruses, cell structures, and imaging macromolecules.Key Features and CapabilitiesHigh Resolution: Electrons have a wavelength 100,000 times smaller than visible light, allowing for resolutions as low as 0.1 nm.

Environmental SEM (ESEM): Allows for imaging of wet, oily, or non-conductive samples without complex preparation.Elemental Analysis (EDS): Many systems include Energy Dispersive X-ray Spectroscopy (EDS) for real-time elemental composition analysis.Main Differences from Light MicroscopesWhile conventional light microscopes magnify up to 2,000 times, electron microscopes can resolve features over 1 million times smaller. However, they are generally large, expensive, and require special sample preparation (e.g., maintaining a vacuum).

Specifications

Specifications

Audio Format

Dolby Digital Stereo (2ch.)

Recording Format

DVD

Memory Stick Duo Slot

Yes

Record Start / Stop & Zoom Buttons on LCD Frame

Yes

LCD Screen Size & Type

2.5" Wide (4:3) LCD Screen with Touch Panel

Dimensions (W x H x D)

54.5 x 89 x 130.5mm

Mass (w/o Tape, Battery, etc.)

Approx. 390g

Video Codec

MPEG-2

Optical / Digital Zoom

40x / 2000x

Media Storage Type

8cm DVD (DVD+R DL / DVD+RW / DVD-RW / DVD-R)

Colour Slow Shutter

Yes

Maximum Still Image Capture Resolution (4:3)

VGA (640 x 480 pixels)

USB Terminal

Yes (USB 2.0 High Speed)

NightShot Mode

Super NightShot Plus

Multi AV Out

Yes

Carl Zeiss Lens / Filter Diameter

Vario-Tessar / 30mm

Image Sensor Type

1/6" 800K (PAL) / 680K (NTSC) Advanced HAD CCD

Image Stabiliser

Super SteadyShot (Electronic)

Supplied Accessories

Enjoy Handycam DVD

Yes

USB Cable

Yes

Rechargeable Battery Pack

NP-FH40

Application Software

Picture Motion Browser / USB Driver

AC adaptor

AC-L200

AV Cable

Yes

Clock Lithium (Installed)

Yes