Certificate of Provenance & Condition
Authenticated by LensSeed
Contax / Yashica
Yashica (DS / DM / DS-M / DX) 50mm f1.4
Authenticated
Condition assessment
BWeighted across
three axes
three axes
Optical5/5
Mechanical5/5
Cosmetic3/5
Certificate №LS-B3E98593ABC3
Serial542530
MountM42
Focal length50mm
Max aperturef/1.4
Issued22 June 2026
Honest defect disclosure
DustMinimal
HazeNone
FungusNone
SeparationNone
Coating marksNone
Oil on bladesNone
Scan to verifyLS-B3E98593ABC3lensseed.com/cert
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