Focal Length | 35-80mm | 70-135mm |
---|---|---|
T- stop | T2.9 - T22 | T2.9 - T22 |
Optical Construction | 20 Elements in 15 Groups | 17 Elements in 11 Groups |
Mount | PL / EF / LPL | PL / EF / LPL |
Zoom Ratio | 2.3X | 1.9X |
Image Circle | 46.5mm (VISTA VISION) | 46.5mm (VISTA VISION) |
Flange Distance | PL=52MM EF / LPL=44MM |
PL=52MM EF / LPL=44MM |
Close Focus | 0.74m / 2ft 5in | 0.76m / 2ft 6in |
Size | 179.5mm / 7.07"(PL) 187.5mm / 7.38"(EF / LPL) |
179.5mm / 7.07"(PL) 187.5mm / 7.38"(EF / LPL) |
Iris Blades | 16 pcs | 16 pcs |
Front Outer Dia. | φ80mm | φ80mm |
Filter Size | M77*0.75 | M77*0.75 |
Weight | ≈1635g | ≈1710g |