Sony Alpha DSLR-A100 Zoom Lenses that have Sigma OS image stabilization

"Sigma's new Optical Stabilizer is very effective. Focus is pretty much instantaneous, and silent."

Fixed aperture The same aperture at all focal lengths

Wide aperture f/2.8

	Image stabilization	Sigma OS			Length	n/a
	Fixed aperture	Yes			Weight	0.6 kg
	Max focal length	50 mm			Focus motor	Sigma HSM
	Aperture	f/2.8			Min focal length	17 mm

"This is a very functional lens in low light situations when using a monopod. I used it for a show inside of an event center with a lot of success (if you are looking for motion blur in your action shots). Overall I really like the lens and would recommend it."

Wide aperture f/2.8

	Image stabilization	Sigma OS			Length	n/a
	Fixed aperture	No			Weight	395 g
	Max focal length	50 mm			Focus motor	Sigma HSM
	Aperture	f/2.8			Min focal length	18 mm

"Wow, Great lens from 120 to 400mm nice photos and pretty fast for under $1000.00 lens."

Great telephoto lens 400 mm

	Image stabilization	Sigma OS			Length	204 mm
	Fixed aperture	No			Weight	1.7 kg
	Max focal length	400 mm			Focus motor	Sigma HSM
	Aperture	f/4.5			Min focal length	120 mm

"Captured tons of amazing shots of birds and wildlife. Images crisp, clear; even at 200mm.- Great quality, easy to focus, quick focus, good aperture.- No cons."

Quite short 102 mm

	Image stabilization	Sigma OS			Length	102 mm
	Fixed aperture	No			Weight	n/a
	Max focal length	200 mm			Focus motor	Sigma HSM
	Aperture	f/4			Min focal length	50 mm