Alpa Swiss Filter Size Chart

Size B (diam. 52mm) for 35, Macro·Switar, Xenon, 50, 90, 135, 180mm

Size A (diam. 42 mm) for Switar 50, 75, Macro·Kilar 90mm

Size D (diam. 67mm) for 24, 28, 100, 150mm Automatic

Size 0 (diam. 45mm) for Kinoptik 50, 75mm, MACRO·APOCHROMATS

Size P (diam. 70mm) for Kinoptik 100, 150mm, MACRO·APOCHROMATS

Size E (diam. 30mm) for 40mm

Size M (diam. 35mm) for ALPA·KILAR 90, 300, 400, 600mm

Size X (diam. 75mm) for 360mm

Size K (diam. 92mm) for ALPA-KINOPTIK 210-500mm

Size Z (diam. 70mm) for ALPA-VARIOGON 45-100mm

Size TZ (diam. 85mm) for ALPA·TELE -VARIOGON 80-240mm

Filter slot (2" square filters) for 9.8mm