Certificate of Provenance & Condition
Authenticated by LensSeed
Rikenon
Rikenon 55mm f1.4
Authenticated
Condition assessment
BWeighted across
three axes
three axes
Optical4/5
Mechanical4/5
Cosmetic4/5
Certificate №LS-527B2C2BD1ED
Serial100610
MountPentax K
Focal length55mm
Max aperturef/1.4
Issued22 June 2026
Honest defect disclosure
DustMinimal
HazeNone
FungusNone
SeparationNone
Coating marksNone
Oil on bladesNone
Scan to verifyLS-527B2C2BD1EDlensseed.com/cert
LensSeed
LensSeed · 20+ Year of Experience