Category: Lens Design
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Classical and β Anamorphism in Spectrographs
The anamorphic factor is something that must be understood and manipulated in spectrographs operating off Littrow. I describe the anamorphic factor through a series of videos.
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Canon f/2.0 200-mm ZEMAX model
Based on Japanese Patent J2001, 253050, A, I constructed an approximate optical model for the Canon EF f/2.0L 200-mm lens. I can’t know for sure if this model matches the constructed hardware, but the model is a good starting point. Download the zemax archive file
Nick Konidaris 