Canon J17ex7.7B4 standard lens

The J17ex7.7B is featuring the new breakthrough technology. Canon has developed breakthrough optical design concept using a newly developed optical element in the most effective way. We have named the new design concept the Power Optical System which can achieve higher specifications and quality in smaller size and lighter weight, using the new optical X-Element which realize complete elimination of its aberration. Canon 16×9/4×3 crossover system for switchable cameras is available as an option (WRSE/WASE).

Compact & lightweight!

Improved specification as standard lens.

X-Element & Power Optical System

Digital Drive

Equipped with Canons original Rotary Encoder Device

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 5.4mm) 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 No
Size (W x H x L) 163.9 x 106.3 x 197.4mm
Weight 1.47kg (3.24lbs)
1.57kg (3.46lbs)