FOCAL LENGTH | 18-35 mm | 35-80 mm | 70-135 mm | ||||
COLOUR | Black | ||||||
MOUNT | PL / EF / LPL | ||||||
T-STOP | T2.9-T22 | ||||||
IMAGE CIRCLE | φ43.5mm | φ46.5mm(VV/FF) | |||||
OPTICAL CONSTRUCTION | 20 Elements in 14 Groups | 20 Elements in 15 Groups | 17 Elements in 11 Groups | ||||
FLANGE DISTANCE | 52mm(PL)/44mm(EF/LPL) | ||||||
CLOSE FOCUS (FROM SENSOR PLANE) |
0.51m/1ft8in | 0.74m/2ft5in | 0.76m/2ft6in | ||||
ZOOM RATIO | 1.9X | 2.3X | 1.9X | ||||
IRIS CONTROL | Manual(rotation angle 77°) | Manual(rotation angle 75°) | Manual(rotation angle 80°) | ||||
FOCUS CONTROL | Manual(rotation angle 270°) | ||||||
ZOOM CONTROL | Manual(rotation angle 100°) | ||||||
FRONT DIA. | φ80mm/3.15" | ||||||
LENGTH | 179.5mm/7.07"(PL) 187.5mm/7.38"(EF/LPL) | ||||||
IRIS BLADE | 16 | ||||||
FILTER SIZE | M77 | ||||||
GEAR PITCH | 0.8 Mod | ||||||
MATERIAL | Aluminum Alloy | ||||||
WEIGHT | ≈1850g | ≈1635g | ≈1710g |