Nikon D3100 Telephoto 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

Wide aperture f/2.8

	Focus motor	Sigma HSM			Fixed aperture	n/a
	Min focal length	150 mm			Aperture	f/2.8
	Max focal length	150 mm			Weight	0.9 kg
	Length	137 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."

Wide angle lens 120 mm

Wide aperture f/2.8

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

"Sharp, quick and built great."

Wide aperture f/2.8

Quite short 215 mm

	Focus motor	Sigma HSM			Fixed aperture	n/a
	Min focal length	300 mm			Aperture	f/2.8
	Max focal length	300 mm			Weight	2.4 kg
	Length	215 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."

Wide angle lens 70 mm

Quite short 184 mm

Very light 1.4 kg

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

"This lens is extremely sharp, I have photographed everything from grizzly bears to prairie dogs without any complaints."

Great telephoto lens 500 mm

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

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

Great telephoto lens 800 mm

	Focus motor	Sigma HSM			Fixed aperture	Yes
	Min focal length	300 mm			Aperture	f/5.6
	Max focal length	800 mm			Weight	5.9 kg
	Length	542 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

Quite short 204 mm

Wide angle lens 120 mm

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

"This lens is an excellent value. Focus is fast and image stabilization works well."

Great zoom range 10x

Wide angle lens 50 mm

Great telephoto lens 500 mm

	Focus motor	Sigma HSM			Fixed aperture	No
	Min focal length	50 mm			Aperture	f/4.5
	Max focal length	500 mm			Weight	2 kg
	Length	219 mm			Image stabilization	Sigma OS

"I use it a lot for wildlife photography and this allows me to capture features of wild animals from a safe distance without losing quality. I'm very impressed with the Bokeh it produces."

Great telephoto lens 500 mm

More advanced image stabilization Sigma OS

	Focus motor	Sigma HSM			Fixed aperture	No
	Min focal length	150 mm			Aperture	f/5
	Max focal length	500 mm			Weight	1.9 kg
	Length	252 mm			Image stabilization	Sigma OS