With the Zeiss Visioner 1, Zeiss launched an innovative digital microscope in the first quarter of 2021 that, for the first time, enables automated focusing over the entire depth of field in real time with its micro-mirror lens system (Mals).
Its extended depth of field (EDoF) will satisfy users who can observe the samples to be inspected without having to combine and post-process different focal planes from a series of images. This not only simplifies the imaging and documentation processes, but also allows for faster inspection and therefore higher productivity.
Real-time extended depth of field
Conventional inspection systems are always confronted with a shallow depth of field, especially at high magnification. This means that only a small area of the sample is in focus, which can lead to overlooked features and, as a result, incomplete inspection. To obtain a greater depth of field, refocusing and then post-processing is a solution to this problem; however, it is time consuming and complex.
Mals technology
The alternative is the use of Mals technology. This is a micro-electromechanical system (Mems) consisting of a matrix of small mirrors measuring 100 x 100 µm. These can be individually adjusted to generate "virtual" lenses with different curvatures and thus different focusing planes. This allows the digital microscope to accurately image any point on the sample. The result is an extended depth of field 100 times greater than conventional digital microscopes. It also offers the ability to optically inspect height differences up to 69 mm without having to move the optical system or refocus. The 3D information of the specimen is visible at a glance, allowing for faster and more reliable inspection.
Ergonomic operation, fast sample viewing and documentation
The Zeiss Visioner 1 speeds up visual inspection processes, allowing more components to be inspected in less time, with improved user convenience. The intuitive, workflow-oriented Zeiss Zen imaging software greatly simplifies visual inspection and sample documentation and is particularly relevant for highly regulated industries, such as automotive, aerospace or medical, with important verification requirements that rely on compliance with GxP guidelines.
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