Martin MiniMAC Maestro User Manual download pdf (Page 39)

Gobos

OBOS

The MiniMAC Maestro holds up to four size-E gobos. For correct projection, install

gobos with the true side of the image facing the lamp.

CUSTOM GOBOS

The MiniMAC Maestro accepts glass, steel, and aluminum gobos with the

following dimensions (size-E). For best performance, the image should be true on

the coated side of glass gobos.

Outside gobo diameter: . . . . . . . . . . . . . . . . . . . . . . 37.5 +0/-0.3 mm (1 15/32 +0/-0.01 in.)

Maximum image diameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 mm (1 3/16 in.)

Maximum gobo thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 mm (1/8 in.)

IMAGE SIZE

The focal length of the MiniMAC Maestro is 90 mm (3.54 in). To calculate the size

of a projected image using a gobo of a given size, the formula is

To calculate the gobo image size required to achieve a projected image size, the

formula is

projected image size

gobo image size projected distance×

focal length

----------------------------------------------------------------------------------------=

gobo image size

projected size focal length×

projected distance

--------------------------------------------------------------------=

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Martin MiniMAC Maestro User Manual Page 39