Replacement clear glass for Omega #423-359 and #423-327 4"x 5" Glass negative carriers.
Replacement top and bottom glass for Omega #423-423 and 423-233 6x7 glass negative carriers.
Omega #423-107 hinged glassless 6x6cm format negative carrier for B-22 condenser enlargers.
Anti-Newton top glass for Omega #423-359 and 423-327 4"x 5" glass negative carriers.
Omega #423-165 spring-hinged glassless 6x6cm format negative carrier for Omega B3, B4, B5, B6, B7, and B-8 enlargers.