Will my camera fit?

Here are the measurement for the Lion and some of the cameras it is designed to work with.

ergocine - Lion -

External - H 9.5" (245 mm) x W 3.53" (90 mm) x D 13.5" (340 mm)

Internal Bottom of "L" - H 7.1" (181 mm) x W 3.52" (90 mm) x  D (to start of rods) 1" (25.4 mm)

Internal top of "L" before curve - H 4.44" (113 mm) x W 3.52" (90 mm) x D (to start of rods) 3" (76.2 mm)

Internal top of "L" to access port - H 4.44" to 0" (113 to 0 mm) x W 3.52" (90 mm) x D (to start of rods) 5" (127 mm)

Camera measurements - 

C300 - H 7.05" (179 mm) x W 5.23" (133 mm) x D 6.7" (171 mm)

EPIC / SCARLET - H 5.79" (147 mm) x W 3.86" (98 mm) x D 5.83" (148 mm)

BLACK MAGIC CAMERA - H 4.96" (126 mm) x 6.54" (166 mm) x D 4.49" (114 mm)