200mm · f/2
The Carl Zeiss Aposonnar 200mm f/2 C/Y is praised for exceptional sharpness and build quality, with chromatic aberration eliminated via ultra-low dispersion glass. However, it is heavy and requires steady handling to achieve optimal sharpness. Its large size and high cost (around $6K) are significant drawbacks, with the 135mm f/2 offering similar quality for less. It suits photographers who prioritize optical excellence and can manage the weight and expense.