MachVis 5.0.7 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program belongs to System Utilities. MachVis.exe is the most frequent filename for this program's installer.
The actual developer of the free program is QIOPTIQ Photonics GmbH. The most popular versions among the software users are 5.0, 3.9 and 3.8. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
MachVis calculates the necessary optical parameters and identifies all suitable lenses that meet your specifications.
MachVis also specifies all necessary accessories (e.g. focusing unit, extension tubes, magnifying objectives, etc.) and generates an itemized list of all part numbers with a schematic drawing in the order of assembly. Datahsheet PDFs are also available for detailed analysis.
You may want to check out more software, such as Right PDF printer or iPHUC for Windows, which might be similar to MachVis.