Canon CN-E30-300mm T2.95-3.7 L SP - Manual (Page 18)

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Names of Parts
Focus drive gear
Number of teeth: 169
Module: 0.8 metric module
P.C.D.: 135.2 mm
Angular rotation: 300 °
Zoom drive gear
Number of teeth: 144
Module: 0.8 metric module
P.C.D.: 115.2 mm
Angular rotation: 160 °
Iris drive gear
Number of teeth: 134
Module: 0.8 metric module
P.C.D.: 107.2 mm
Angular rotation: 63 °
Lens holder
F.B. adjuster cover
Zoom/focus levers
EF mount (S type)
PL mount (SP type)