Zeiss variable primes
Zeiss Variable Primes offer excellent quality in sharpness, contrast, free from distortion and vignetting - even compared with fixed focal length lenses, which they surpass in many areas. With just three high speed lenses a range of focal lengths from 16-105 is covered. Time consuming lens changes are no longer necessary. Leaving more time for image composition which can be achieved faster, more easily and with greater flexibility.
Fast speeds over the entire focal length range of 16mm to 105mm the variable primes have a constant aperature of T2.2.