Canon Rebel T3i Zoom Lenses that have a Sigma HSM focus motor

"The zoom is smooth once you get the handle of it, and its low light capability is excellent considering the price."

Fixed aperture The same aperture at all focal lengths

Very light 0.6 kg

Wide aperture f/2.8

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

"Consistent output, fast/accurate auto-focus, nice bokeh, strong construction."

Fixed aperture The same aperture at all focal lengths

Wide aperture f/2.8

	Focus motor	Sigma HSM			Aperture	f/2.8
	Max focal length	200 mm			Zoom range	2.9x
	Fixed aperture	Yes			Length	n/a
	Image stabilization	Sigma OS			Weight	1.4 kg

"I'm able to photograph from the endzone and since its a zoom 120 to 300 I use it on the side line accross from the quarterback and still had zoom left."

Fixed aperture The same aperture at all focal lengths

Wide aperture f/2.8

	Focus motor	Sigma HSM			Aperture	f/2.8
	Max focal length	300 mm			Zoom range	2.5x
	Fixed aperture	Yes			Length	269 mm
	Image stabilization	None			Weight	2.6 kg

"No matter where I sit in the high school gyms in the area I am able to take terrific pictures and have outstanding clarity"

Quite short 95 mm

Fixed aperture The same aperture at all focal lengths

Wide aperture f/2.8

	Focus motor	Sigma HSM			Aperture	f/2.8
	Max focal length	70 mm			Zoom range	2.9x
	Fixed aperture	Yes			Length	95 mm
	Image stabilization	None			Weight	n/a

"Very crisp fast focus. Glass is high quality and mechanics are rock solid."

Fixed aperture The same aperture at all focal lengths

Very light 0.5 kg

	Focus motor	Sigma HSM			Aperture	f/3.5
	Max focal length	20 mm			Zoom range	2x
	Fixed aperture	Yes			Length	n/a
	Image stabilization	None			Weight	0.5 kg

"It's SUPER quiet and love that it comes with a hood and has a metal mount. Very durable and nice lens."

Very light 395 g

Wide aperture f/2.8

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

"I can not imagine paying double this price from the Canon lens and I am a firm believer in Canon lenses. Very sharp and with the hyper sonic motor it is as fast as my ultrasonic lenses. It is built very sturdy and I am sure it will be well worth the money."

Fixed aperture The same aperture at all focal lengths

Wide aperture f/2.8

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

"Great for certain things such as landscape, real-estate, and architecture."

Very light 0.6 kg

	Focus motor	Sigma HSM			Aperture	f/4.5
	Max focal length	16 mm			Zoom range	2x
	Fixed aperture	No			Length	n/a
	Image stabilization	None			Weight	0.6 kg

"Love the wide range of focal length from 50 to 500mm. I find the quality of the photos at all focal lengths to be very crisp and in focus."

Great zoom range 10x

Great telephoto lens 500 mm

	Focus motor	Sigma HSM			Aperture	f/4.5
	Max focal length	500 mm			Zoom range	10x
	Fixed aperture	No			Length	219 mm
	Image stabilization	Sigma OS			Weight	2 kg

"Very good picture quality (especially at f/8 and smaller) and optical stabilization. "

Great telephoto lens 400 mm

	Focus motor	Sigma HSM			Aperture	f/4.5
	Max focal length	400 mm			Zoom range	3.3x
	Fixed aperture	No			Length	204 mm
	Image stabilization	Sigma OS			Weight	1.7 kg