| 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 |
Creative & Delighted / Proven / Efficient / Vitality
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