Canon CDI-E075-010 User Manual page 206

Focal length:
Focusing range
(from tip of lens):
Thread diameter:
Dimensions:
Weight:
200
Close-up Lens 250D (58 mm) (Optional)
250 mm
10 - 25 cm (0.33 - 0.82 ft.) (when attached to a
PowerShot G5)
58 mm Standard filter threads (Conversion Lens Adapter
LA-DC58B is required to install the lens on a PowerShot G5)
Diameter: 60 mm (2.4 in.)/Length: 12 mm (0.5 in.)
Approx. 80 g (2.8 oz.)