VF10  High Mag Fluorescence  Microscope
VF10  High Mag Fluorescence  Microscope
VF10  High Mag Fluorescence  Microscope
VF10  High Mag Fluorescence  Microscope
VF10  High Mag Fluorescence  Microscope
Dehao|Vf10 Video|Microscope|Questioned Document Examination Dehao
Dehao|Vf10 Video|Microscope|Questioned Document Examination Dehao
Dehao|Vf10 Video|Microscope|Questioned Document Examination Dehao
VF10 Fluorescence  Microscope video

VF10 High Mag Fluorescence Microscope

VF-10 integrates fluorescence observation/chromatography observation/ ultra-high magnification coaxial observation/3D stereoscopic observation and 3D imaging reconstruction techniques, significantly improve the accuracy of identifying the sequence of stamp and strokes. This is applicable to stamp and strokes sequence analysis, printed document examination, paper material inspection, stamp examination, and trace evidence analysis.

Feature Highlighted:

·  100x-3200x Ultra-high magnification microscope reveals the detailed features of the examined materials from macro to micro perspectives.

·  Extended depth-of-field tomography observes and interprets the sequence of stamp and strokes/stock order.

·  Coaxial light illumination provides the optimal observation method for documents.

·  12M pixels High-definition, wide dynamic range cameras ensure the best image quality.

·  High-power, high-purity dual-band LED excitation light source offers optimal fluorescence observation, with adjustable illumination angle and distance.

·  Tomographic microscopic 3D imaging technology presents the three-dimensional reconstruction of the examined materials in true original color.

·  High-precision optical system Z-axis movement control, with micron-level stepping accuracy and auto focus adjustment , ensures high-resolution 3D images.

·  Various image processing, comparison and measurement functions.


Application:

Stamp and stroke sequence            order of strokes       

paper fiber inspection                     photocopied document inspection     

printed document inspection          other user-extended applications


Case Study

1. stamp and strokes sequence analysis

Co-axial high magnification observation under white light

Fluorescence observation with 440-460nm blue excitation light

2.Optical Tomography Stereo observation of overlapping parts of the handwriting

   Ultra-short depth of field caused by the high-magnification lens can effectively distinguish the upper and lower order of strokes.

3. Observation on the accumulation morphology and distribution characteristics of toner particles in laser printing/copying documents.

4. Secondary printing analysis and identification

Laser printing document formation method for the toner adsorption to the paper through the fixing method of the toner melting pressure after the formation of the image, the second printing part of the coaxial light reflection light is more obvious than the first printing. Identify traces of forgery in documents through the identification of the second print.

5. Microscopic three-dimensional imaging inspection

 

Specification

Microscope body

 6× Zoom microscope, optical zoom range 0.75-4.5×

Camera

12 M pixel USB3.0 digital camera, up to 20 FPS in full resolution,

Micron focusing controller,

Display for Z-position read out and control optical focusing

XY-stage,

Manual adjustment  A3 size

Light source:

l  Coaxial light source

l  Gooseneck White Light Source 6400K

l  Blue (445nm), Gooseneck, Illumination angle, and distance adjustable

l  Green (500nm ), Gooseneck, Illumination angle, and distance adjustable

l  Transmission light source,

Camera Long Filter

Filter: 500nm and 550nm

Objective Lens

×2, ×10,

Magnification Range

100×-3200×

MAX FOV:

11mm×8mm

 

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