Canon A540 - Manual (Page 132)

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Close-up Lens 250D 52 mm (Sold Separately)
Conversion Lens Adapter LA-DC52F (Sold Separately)
(W) : Max. wide angle (T) : Max. telephoto
* 1 When mounted on PowerShot A540
* 2 Conversion Lens Adapter LA-DC52F is required when mounted on
PowerShot A540
Focusing Range
(from front of lens) Normal: 17 – 25 cm (6.7 – 9.8 in.) (W / T)
Macro: 4 – 17 cm (1.6 – 6.7 in.) (W / T)
Thread Diameter 52 mm standard filter thread* 2
Dimensions Diameter: 54 mm (2.1 in.)
Length: 10.2 mm (0.4 in.)
Weight Approx. 55 g (1.9 oz.)
Thread Diameter 52 mm standard filter thread
Dimensions Diameter: 55.6 mm (2.2 in.)
Length: 39.1 mm (1.5 in.)
Weight Approx. 14 g (0.5 oz.)