Lens Bending - Is it really a good thing???
Right! So I have mentioned lens bending and its effect on aberrations. Is this what I was talking about? Well, no. Obviously not. Lens designers bend rays, not lenses! Or do they? Lens element bending does have a profound effect on aberrations, and if combined properly, multiple bent lens elements can balance the aberration content. Different optical glasses such as crowns, flints, and short flints can be used in combination with element bending to provide overall balanc
