fotoTalk.com ~ For the love of photography | Equipment Database > Lenses > Canon

fotoTalk Statistics
Popularity — fotoTalk equipment ID O000420 Members who own this equipment 16 Photos taken by the equipment 34

Technical Information
Manufacturer Canon Model EF 17-40mm f/4L USM Lens type Wide Angle Category Zoom Features Aspherical Filter diameter 77 mm Weight 475 g Length 196.8 mm	Aperture 1 : 4.0 Minimum aperture 22 Focal length 17.0 - 40.0 mm Angle of view 104° - 57°30' Lens construction (Lens / Groups) 12 / 9 Maximum magnification 1 : 4.2 Closest focusing distance 28 cm Year of release 2003