Sigma SA Zoom Lenses

"When you really need to get it all in view, this is a great lens. Well made lens for the money. No chromatic aborations! Sharp if you use f11-16. Construction is excellent. Nothing negative to say about this lens."

Quite short 81 mm

	Length	81 mm			Fixed aperture	No
	Max focal length	20 mm			Focus motor	Sigma HSM
	Zoom range	2x			Image stabilization	None
	Weight	n/a			Min focal length	10 mm

"At under a pound in weight and being the ideal focal length for APS-C sensor-sized cameras (28-118mm in 35mm equivalent) it's a good "walk-around" lens. "

Quite short 83 mm

Very light 455 g

	Length	83 mm			Fixed aperture	No
	Max focal length	70 mm			Focus motor	None
	Zoom range	4.1x			Image stabilization	None
	Weight	455 g			Min focal length	17 mm

"I don't need to change lenses"

Great zoom range 11.1x

More advanced image stabilization Sigma OS

	Length	100 mm			Fixed aperture	No
	Max focal length	200 mm			Focus motor	None
	Zoom range	11.1x			Image stabilization	Sigma OS
	Weight	0.6 kg			Min focal length	18 mm

"Even though the info says it's only for Sigma camera's, it works very well on my Nikon D90."

	Length	122 mm			Fixed aperture	No
	Max focal length	300 mm			Focus motor	None
	Zoom range	4.3x			Image stabilization	None
	Weight	0.5 kg			Min focal length	70 mm

"This is an amazing piece of glass. Tried it out in the store and instantly fell in love with it. It's got a great feel to it and you know you've got quality in your hands."

Quite short 88 mm

	Length	88 mm			Fixed aperture	Yes
	Max focal length	20 mm			Focus motor	Sigma HSM
	Zoom range	2x			Image stabilization	None
	Weight	0.5 kg			Min focal length	10 mm

"If you don't mind lugging around a 12lb lens, this works great."

Great telephoto lens 800 mm

	Length	542 mm			Fixed aperture	Yes
	Max focal length	800 mm			Focus motor	Sigma HSM
	Zoom range	2.7x			Image stabilization	None
	Weight	5.9 kg			Min focal length	300 mm