Rosco offers gobos in several standard sizes, as well as custom sizes. The main standard gobo sizes are:
Size A: 100mm outer diameter (OD), 75mm image area (IA)
Size B: 86mm OD, 64.5mm IA
Size M: 66mm OD, 48mm IA
Size E: 37.5mm OD, 28mm IA
Size Custom: Any size and IA. Typical lead times are 5-10 business days from order. Contact us for custom sizes.