AccueilAnamorphic to Spherical Focal Length Calculator Anamorphic to Spherical Focal Length Calculator Focal Length (mm): Squeeze Factor: Sensor Size: Full Frame (36mm x 24mm) APS-C Canon (22.3mm x 14.9mm) APS-C Nikon/Sony (23.5mm x 15.6mm) Micro Four Thirds (17.3mm x 13mm) Calculate Equivalents Do you want more calculators? Here is a link to a list of photo calculators.