Tamron 10-24mm f/3.5-4.5 SP AF Di-II LD IF
Largest zoom range in its class. Decent build quality, but built-in focus motor is noisy. Moderate barrel distortion at the wide end. Soft wide open and soft corners at all focal lengths and apertures.
Rating: Ed: -, User: - (normalized, 0=useless, 50=average, 100=excellent).
Mounts: Canon EF, Nikon F.
Aperture range: f/3.5-4.5 to f/22.
Optical zoom: 2.4x.
Close focus distance (CFD): 24 cm / 0.79 ft (from sensor plane).
CFD magnification: 1:5.1 / 0.2X.
Focus: AF (built-in, gear-type).
Filter diameter: 77 mm.
L x D, W: 87 x 84 mm, 406 g.
Approximate street price: USD 500 (new, w/o tax).
Introduced: no data.
Tamron is a Japanese corporation specializing in the manufacture of photographic and industrial optics. The company was founded in 1950 as Taisei Kōgaku Kiki Seisakush. It was renamed Tamron in 1970.
As well as its own-branded designs, it makes many optical units for other companies compact digital cameras, and produces consumer grade lenses for several of the major DSLR manufacturers.