When it comes to Foveon, do sizes matter?
Why I changed my Sigma SD Quattro with a H model.
There are more than a few things in common between Foveon photographers and insecure males, but they also share a fundamental question: do sizes matter? A few days ago, I had the opportunity to upgrade: I added the H model to my Sigma SD Quattro. The difference is simple: the H model has an Aps-h sensor with a 1.3 crop factor. The original Quattro features a slightly less than the regular Aps-c sensor, with a crop factor of around 1.