Nikon D5100 Portrait lenses that have a Sigma HSM focus motor and have a f/2.8 or faster aperture

"This lens is one of the best 50mm lenses we have used. It is incredibly sharp (even wide open) and the colors are really gorgeous and vibrant."

Wide aperture f/1.4

	Aperture	f/1.4			Fixed aperture	n/a
	Focus motor	Sigma HSM			Max focal length	50 mm
	Length	68 mm			Weight	0.5 kg
	Image stabilization	None			Min focal length	50 mm

"This 120-300 Sigma provides great range, and when I need just a bit more, I can achieve it with the 1.4x converter. The auto- focus is darn fast and the lens is quite sharp even wide open."

Great telephoto lens 300 mm

	Aperture	f/2.8			Fixed aperture	Yes
	Focus motor	Sigma HSM			Max focal length	300 mm
	Length	269 mm			Weight	2.6 kg
	Image stabilization	None			Min focal length	120 mm

"I am using this for outdoor on-location portraits on the D700. This lens is absolutley excellent in terms of optical quality, sharp at f/2.8, very pleasing bokeh, and it focuses fast as lightning."

	Aperture	f/2.8			Fixed aperture	Yes
	Focus motor	Sigma HSM			Max focal length	200 mm
	Length	184 mm			Weight	1.4 kg
	Image stabilization	None			Min focal length	70 mm

"Amazing very nice lens."

More advanced image stabilization Sigma OS

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

"Very happy with this lens. Used this lens for a wedding this past weeked, very pleased."

More advanced image stabilization Sigma OS

	Aperture	f/2.8			Fixed aperture	No
	Focus motor	Sigma HSM			Max focal length	70 mm
	Length	83 mm			Weight	0.5 kg
	Image stabilization	Sigma OS			Min focal length	17 mm