Spacing ring S, d=66 x 40 mm elongates the diam. 66 mm objective barrel by 40 mm, e.g. for mounting of dark-field ring illuminator on Discovery objective Achromat 1x or 1.25x or Plan Apo 1x or twice used on Achromat 0.63x
Теги: Spacing ring S, d=66 x 40 mm, 435449-0000-000, Zeiss, Various lamp accessories