I would like to design a microscope objective(s) with a fixed parfocality and Back Focal Plane (BFP) with respect to a given surface.
For example:
Objective 1: parfocality Z mm, BFP position from vertex of last surface = BFP1 mm
Objective 2: parfocality Z mm, BFP position from vertex of last surface = BFP2 mm
- How can I design these two objectives (in multi-configuration if necessary) such that I can optimize the designs around a given BFP position with respect to a coordinate surface (assume surface 0).
- For instance; the BFP position should be constrained to 3mm from Surface 0.
- What operands can be used to control the focal planes/focal lengths (rear and front) of a optical design in Zemax?
- When designing multiple related optics - such as more than one objective lenses for a microscope which share common parameters. What is the best practice to control the common parameters such as parfocality and BFP position between these multiple objective designs?
Thanks
Best answer by Christophe.Weisse
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