Hell, maybe I need to start researching lens designing and design my own 1200mm f/5.6, to include IS and AF.
If nothing else to be able to make a CAD 3D model and look at it.
Hell, maybe I need to start researching lens designing and design my own 1200mm f/5.6, to include IS and AF.
If nothing else to be able to make a CAD 3D model and look at it.