| Lens |
J17ex7.7B ITS-ME |
| Zoom Ratio |
17x |
| Built-in Extender |
2.0x |
Range of Focal Length
(with Extender) |
7.7~131mm
15.4~262mm (2.0x) |
Maximum Relative Aperture
(with Extender) |
1:1.8 at 7.7~102.5mm
1:2.3 at 131mm
1:3.6 at 15.4~205mm (2.0x)
1:4.6 at 262mm (2.0x) |
Angular Field of View
(with Extender) |
4:3 Aspect Ratio
(8.8 x 6.6mm) |
59.5° x 46.4° at 7.7mm
3.85° x 2.89° at 131mm
31.9° x 24.2° at 15.4mm (2.0x)
1.92° x 1.44° at 262mm (2.0x) |
16: 9 Aspect Ratio
(9.6 x 5.4mm) |
63.9° x 38.6° at 7.7mm
4.20° x 2.36° at 131mm
34.6° x 19.9° at 15.4mm (2.0x)
2.10° x 1.18° at 262mm (2.0x) |
| Minimum Object Distance (M.O.D) |
0.6m (10mm with Macro) |
Object Dimensions at M.O.D.
(with Extender) |
4:3 Aspect Ratio
(8.8 x 6.6mm) |
63.1 x 47.3cm at 7.7mm
3.8 x 2.9cm at 131mm
31.6 x 23.7 at 15.4mm (2.0x)
1.9 x 1.5cm at 262mm (2.0x) |
16:9 Aspect Ratio
(9.6 x 4mm) |
68.5 x 38.5cm at 7.7mm
4.2 x 2.4cm at 131mm
34.3 x 19.3cm at 15.4mm (2.0x)
2.1 x 1.2cm at 262mm (2.0x) |
| Macro |
Yes |
| Size (W x H x L) |
114.7 x 106.3 x 197.4mm |
| Weight (Approx.) |
1.32kg |