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Tamron Extension tube for SP 90/2.5 (1:2-1:1) used:

NameFull namePlaceScoresRank
1Radovan RadovanZagreb2219.35lvl.4 (Lens-Pro)
2ArmourbearerRicky T Ferns ArmourBearerMOUNT RICHON109.9lvl.2 (Lens-Adept)