Standard Gobo Sizes

Rosco will manufacturer gobo patterns to any size specification needed for a particular luminarie. The sizes indicated in the following table are the most commonly used. However, we will manufacture for any size, any fixture, any wheel that accepts a gobo.

Standard Gobo Sizes
Letter Size OD IA Comments
A 100mm 75mm Fits most conventional ellipsoidals
B 86mm 64.5mm Industry standard size for ellipsoidals
M 66mm 48mm For Jr. Ellipsoidals
E 37.5mm 28mm Mini ellipsoidals. Specify make and model.
Moving Light sizes rotating, static, effects wheels Varies Varies Moving Light sizes can vary depending on static wheel, rotating or effects wheel. Specify make & model and the wheel used.
Architectural Projectors Varies Varies Any architectural unit that utilizes gobos. Specify make & model.
Some standard metal designs may need slight modifications to fit sizes smaller than the M size. Please inquire with your dealer or call us at 866-228-2256 to confirm your moving light pattern choice. You can also email us at Rosco glass standards can generally be made for any fixture without modifications. Some exceptions may need to be made for color glass under 23mm image area.