The Canon EF-S 18-55mm F3.5-5.6 IS AF speed and accuracy is actually pretty good and the noise level during operations remains on a very low level. According to Canon the newly developed Image Stabilization system of Canon EF-S 18-55mm F3.5-5.6 IS is good enough for a “gain” equivalent to up to 4 f-stops.
Canon TS-E 24mm F 3.5L high-precision glass molded aspherical and UD glass lens elements and accurate aspherical GMo along with a large diameter. It delivers outstanding image quality, high resolution and super-low distortion to all edges of the image. The lens incorporates a new type of anti-reflection coating, Canon’s SubWavelength structure Coating (SWC) that continuously changes the refractive index on the lens surface via wedge-shaped structures more minute than wavelength of visible light.