https://www.comsol.fr/model/petzval-lens-geometric-modulation-transfer-function-61861
Petzval Lens Geometric Modulation Transfer Function
Use this model or demo application file (and its accompanying instructions) as a starting point for your own simulation work.
modulation transfer functionpetzval lensgeometric
https://www.svbony.com/products/petzval-refractor-astrograph-lens-svbony-sv545?ref=homePage
Petzval Refractor Astrograph Lens | SVBONY SV545
SV545 Petzval APO astro camera lens: Advanced 3G5E design with built-in flat field for perfect, wide-field deep space and astrophotography.
petzvalrefractorastrographlens