Microscope Generates Fully Focused Sample Imagery

Keyence's VHX-1000 Digital Microscope incorporates digital microscopy and precision measurement with an Accurate DFD (depth from defocus) function to generate fully focused images of any sample. It features real-time, 16-bit imaging resolution that makes subtle colour differences visible and optimises areas that are too dark or too bright to see. The brightness range has been increased from the previous 256 levels to 65,536 levels. The 3CCD colour clarity has increased from 16 million to over 2.8 trillion colours.

The microscope incorporates the Double'r automatic lens/zoom recognition system. The VHX recognises, in real time, which lens is mounted to the camera, as well as the current magnification. Calibration adjustment is automatic with magnification changes. The VHX-1000's large depth of field is at least 20 times greater than conventional microscopes, according to the company. The compact 3CCD Camera includes a pixel-shift actuator, achieving sharp, high-resolution images of up to 54 million pixels.

A flicker-free progressive scan method and new graphics engine allows texture expression and colour reproduction similar to observation with the naked eye. A selection of high-resolution RZ zoom lenses, with up to 5,000x magnification, provides high image quality with good chromatic aberration correction. Targets can be freely observed with the camera/lens unit used handheld or mounted in a multi-angle viewing stand that enables angular observation without changing the target position.

Through simple mouse operations, the VHX-1000 performs real-time, on-screen measurement of the distance, radius, angle and area of the target. For larger targets that need to be observed or measured, the unit has the added capability of real-time stitching of 2D and 3D images up to 10,000 x 10,000 pixels, increasing the viewing area up to 50 times.

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