Focusing C-mount adapters for American Optical (AO) / Reichert / Leica (MicroStar IV, Diastar, and K2700 comparison microscopes and others) with reversed dovetail Photoport. These adapters consist of a standard ISO 38mm phototube plus an Optem DC series C-mount with internal focus for parfocality.
Available in 0.38x, 0.5x, and 0.67x magnifications:
MDC38IVC 0.38x
MDC50IVC 0.5x
MDC67IVC 0.67x