Technical Specs ZEISS front cover 46mm for 2.8/21, 4.5/21, 2.8/25

For ZEISS Biogon T* 2.8/21 ZM, C Biogon T* 4.5/21 ZM, Biogon T* 2.8/25 ZM, Biogon T* 2.8/28 ZM, & C Sonnar T* 1.5/50 ZMProtects the front lens elementSpare part