Aperture sizes are as per 38?m, 45?m, 53?m, 63?m, 75?m, 80?m, 90?m, 100?m, 106?m, 125?m, 150?m, 160?m, 180?m, 200?m, 212?m, 250?m, 300?m, 315?m, 355?m, 400?m, 425?m, 500?m, 600?m, 630?m, 710?m, 800?m, 850?m, 1.00mm, 1.18mm, 1.25mm, 1.40mm, 1.60mm, 1.70mm, 2.00mm, 2.36mm, 2.50mm, 2.80mm, 3.35mm, 4.00mm, 4.75mm
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