Overview

The Yashica DSB 70-210mm f/4 is a manual-focus zoom for C/Y mount, introduced in 1979 with 14 elements in 10 groups. Optical quality is rated 3.5/5, with one user praising its rendering. Build is solid, weight 690g, filter 58mm. Weaknesses are not highlighted in available excerpts. It suits budget-conscious photographers seeking a vintage zoom with decent optics for adapted mirrorless use.