Canon PowerShot G12 Getting Started page 246

Specifications
Weight ..................................... Approx. 92 g (3.6 oz.) (CB-2LZ)
Tele-converter TC-DC58D (Sold Separately)
Magnification ........................... 1.4x
Thread Diameter ..................... 58 mm standard filter thread*
Dimensions Diameter x Length 69 0 x 41 2 mm (2.72 x 1.62 in.)
Weight ..................................... Approx. 140 g (4.94 oz.)
* Conversion Lens Adapter LA-DC58K is required when mounted on PowerShot G12.
Conversion Lens Adapter LA-DC58K (Sold Separately)
Thread Diameter ..................... 58 mm standard filter thread
Dimensions Diameter x Length 63 8 x 51 6 mm (2.51 x 2.03 in.)
Weight ..................................... Approx. 30 g (1.06 oz.)
Bracket BKT-DC1 (Sold Separately)
Dimensions.............................. 220.0 x 32.0 x 19.0 mm (8.66 x 1.26 x 0.75 in.)
Weight ..................................... Approx. 90 g (3.2 oz.)
• All data is based on tests by Canon.
• Camera specifications or appearance are subject to change without notice.
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Approx. 85 g (3.0 oz.) (CB-2LZE) (excluding power cord)