Sony SLT-A77 Wide angle lenses that have image stabilization and have a Sigma HSM focus motor

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

Fixed aperture The same aperture at all focal lengths

	Image stabilization	Sigma OS			Max focal length	50 mm
	Focus motor	Sigma HSM			Aperture	f/2.8
	Zoom range	2.9x			Weight	0.6 kg
	Fixed aperture	Yes			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."

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

"This lens does very well on my Alpha 700. It has a quick and accurate autofocus and the pictures are sharp and of good contrast."

Great zoom range 13.9x

Great telephoto lens 250 mm

	Image stabilization	Sigma OS			Max focal length	250 mm
	Focus motor	Sigma HSM			Aperture	f/3.5
	Zoom range	13.9x			Weight	0.6 kg
	Fixed aperture	No			Min focal length	18 mm