Canon Rebel T3i Low light lenses that have a focus motor

"Absolutely love the speed of the lens in combination with real wide-angle. Optical quality is top class, as expected for L-class."

	Focus motor	Canon USM			Min focal length	24 mm
	Image stabilization	None			Max focal length	24 mm
	Length	87 mm			Aperture	f/1.4
	Weight	0.6 kg			Diameter	94 mm

"This is a really nice lens and will be the flagship in my camera bag. I'm using it as a prime for my dslr film projects."

	Focus motor	Canon USM			Min focal length	50 mm
	Image stabilization	None			Max focal length	50 mm
	Length	n/a			Aperture	f/1.2
	Weight	0.6 kg			Diameter	n/a

"I was told how good this lens is, but it is much better than they said. It is not as heavy as everyone said. i find it just as it should be. If that is a ten carat diamond it should weight like one."

	Focus motor	Canon USM			Min focal length	85 mm
	Image stabilization	None			Max focal length	85 mm
	Length	n/a			Aperture	f/1.2
	Weight	1 kg			Diameter	n/a

"I love that a lens in this price-range will go to f/1.4 - it provides great bokeh and is very good for indoors in low light. Pictures in churches and museums have turned out especially well."

	Focus motor	Sigma HSM			Min focal length	30 mm
	Image stabilization	None			Max focal length	30 mm
	Length	59 mm			Aperture	f/1.4
	Weight	430 g			Diameter	76 mm

"Excellent in low light conditions. Super fast, quiet and precise focus."

	Focus motor	Sigma HSM			Min focal length	50 mm
	Image stabilization	None			Max focal length	50 mm
	Length	68 mm			Aperture	f/1.4
	Weight	0.5 kg			Diameter	85 mm

"Great lens in low light conditions and an excellent choice for portraits too."

	Focus motor	Canon USM			Min focal length	50 mm
	Image stabilization	None			Max focal length	50 mm
	Length	51 mm			Aperture	f/1.4
	Weight	290 g			Diameter	74 mm

"I'm totally happy. As an OCD pixel-peeper who usually buys two copies and mails the "bad" one back, after my tests, I can say that this is a good lens."

	Focus motor	Sigma HSM			Min focal length	85 mm
	Image stabilization	None			Max focal length	85 mm
	Length	n/a			Aperture	f/1.4
	Weight	n/a			Diameter	n/a

"I mostly photograph babies/families and weddings. This lens is fast, crisp and easy to use. It's incredibly quiet and I love the DOF."

	Focus motor	Canon USM			Min focal length	35 mm
	Image stabilization	None			Max focal length	35 mm
	Length	n/a			Aperture	f/1.4
	Weight	0.6 kg			Diameter	n/a

"Used for night football and soccer so far. Will also use for basketball and indoor cutting shows."

More advanced image stabilization Canon IS

Great telephoto lens 200 mm

	Focus motor	Canon USM			Min focal length	200 mm
	Image stabilization	Canon IS			Max focal length	200 mm
	Length	208 mm			Aperture	f/2
	Weight	2.5 kg			Diameter	128 mm