Nikon D5100 Lenses for Nikon FX lens mount that have a Sigma HSM focus motor

"This is an impressive lens with no obvious cons. The build quality is excellent and image quality and resolution at a variety of distances and macro are at least as good (to my eyes) as Nikon glass. The bokeh is also good especially for a zoom lens."

Quite short 137 mm

Very light 0.9 kg

	Focus motor	Sigma HSM			Aperture	f/2.8
	Length	137 mm			Weight	0.9 kg
	Max focal length	150 mm			Fixed aperture	n/a
	Min focal length	150 mm			Image stabilization	None

"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

Quite short 68 mm

Very light 0.5 kg

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

"This is an excellent lens. Extremely sharp focus, fairly lightweight for an F4.5."

Great telephoto lens 500 mm

	Focus motor	Sigma HSM			Aperture	f/4.5
	Length	350 mm			Weight	3.1 kg
	Max focal length	500 mm			Fixed aperture	n/a
	Min focal length	500 mm			Image stabilization	None

"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."

Fixed aperture The same aperture at all focal lengths

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

"Sharp, quick and built great."

	Focus motor	Sigma HSM			Aperture	f/2.8
	Length	215 mm			Weight	2.4 kg
	Max focal length	300 mm			Fixed aperture	n/a
	Min focal length	300 mm			Image stabilization	None

"So here I am, with three awesome Sigma lenses and not one bit ashamed of them not saying Nikon on the side."

Fixed aperture The same aperture at all focal lengths

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

"The autofocus is super fast, accurate, and quiet."

Great telephoto lens 800 mm

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sigma HSM			Aperture	f/5.6
	Length	542 mm			Weight	5.9 kg
	Max focal length	800 mm			Fixed aperture	Yes
	Min focal length	300 mm			Image stabilization	None

"It's auto focus system is quick, quiet and accurate and the optics are superior to my expectations in a lens that is so low priced compared to the Nikon lenses. I'm very pleased with this purchase!"

More advanced image stabilization Sigma OS

Great telephoto lens 400 mm

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