Sony SLT-A55 Portrait lenses made by Sigma

"You can get up really close and still focus. It takes a sharp picture."

	Focus motor	None			Length	64 mm
	Image stabilization	None			Weight	315 g
	Aperture	f/2.8			Min focal length	50 mm
	Max focal length	50 mm			Zoom range	1x

"I love this lens. It is nice to buy a product and exceed expectations."

Wide aperture f/1.4

Silent focus motor Silent and fast

	Focus motor	Sigma HSM			Length	68 mm
	Image stabilization	None			Weight	0.5 kg
	Aperture	f/1.4			Min focal length	50 mm
	Max focal length	50 mm			Zoom range	1x

"the colors and contrast are beautiful"

	Focus motor	None			Length	95 mm
	Image stabilization	None			Weight	0.5 kg
	Aperture	f/2.8			Min focal length	70 mm
	Max focal length	70 mm			Zoom range	1x

"Quick and quiet autofocus. Tack sharp at 5.6. Also extremely sharp at 2.8."

Silent focus motor Silent and fast

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sigma HSM			Length	184 mm
	Image stabilization	None			Weight	1.4 kg
	Aperture	f/2.8			Min focal length	70 mm
	Max focal length	200 mm			Zoom range	2.9x

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

More advanced image stabilization Sigma OS

Silent focus motor Silent and fast

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sigma HSM			Length	n/a
	Image stabilization	Sigma OS			Weight	0.6 kg
	Aperture	f/2.8			Min focal length	17 mm
	Max focal length	50 mm			Zoom range	2.9x

"This is a fantastic lens. It is super fast, very sharp, and so true to color."

Silent focus motor Silent and fast

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sigma HSM			Length	95 mm
	Image stabilization	None			Weight	0.7 kg
	Aperture	f/2.8			Min focal length	24 mm
	Max focal length	70 mm			Zoom range	2.9x

"It reveals very nice skin texture and fine detail at 300mm at a distance away from the subject and for me is the best quality lens i've tried over this range for the A900 + constant f4 is nice."

Great telephoto lens 300 mm

Fixed aperture The same aperture at all focal lengths

	Focus motor	None			Length	224 mm
	Image stabilization	None			Weight	1.5 kg
	Aperture	f/4			Min focal length	100 mm
	Max focal length	300 mm			Zoom range	3x

"I love the versatility of this lens and the sharpness of the image, especially around the edges."

	Focus motor	None			Length	95 mm
	Image stabilization	None			Weight	450 g
	Aperture	f/2.8			Min focal length	105 mm
	Max focal length	105 mm			Zoom range	1x