Lenses that have a Canon USM focus motor

"This lens is as good as Canon says it is. It is tact sharp and a great value. It is also much lighter than the 70-200mm f/2.8" bhphotovideo.com

More advanced image stabilization Canon IS

Fixed aperture The same maximum aperture at all focal lengths

	Focus motor	Canon USM			Max focal length	200 mm
	Image stabilization	Canon IS			Length	173 mm
	Fixed aperture	Yes			Zoom range	2.9x
	Aperture	f/4			Weight	0.8 kg

"This is one of the sharpest lenses I have ever seen. Love it so much and is on my camera most of the time now." bhphotovideo.com

More advanced image stabilization Canon IS II

Fixed aperture The same maximum aperture at all focal lengths

	Focus motor	Canon USM			Max focal length	200 mm
	Image stabilization	Canon IS II			Length	n/a
	Fixed aperture	Yes			Zoom range	2.9x
	Aperture	f/2.8			Weight	1.5 kg

"This is a great universal lens. the color is good and the quality is crisp- just what you would expect from a canon lens." bhphotovideo.com

More advanced image stabilization Canon IS

Fixed aperture The same maximum aperture at all focal lengths

	Focus motor	Canon USM			Max focal length	105 mm
	Image stabilization	Canon IS			Length	107 mm
	Fixed aperture	Yes			Zoom range	4.4x
	Aperture	f/4			Weight	0.7 kg

"As advertised THE BEST MACRO LENS FOR YOUR MONEY! Auto focus is so smooth that you do not realize that it is on." bhphotovideo.com

More advanced image stabilization Canon IS

	Focus motor	Canon USM			Max focal length	100 mm
	Image stabilization	Canon IS			Length	123 mm
	Fixed aperture	n/a			Zoom range	1x
	Aperture	f/2.8			Weight	0.6 kg

"I've been eying this lens for about 5 years now and I wish I had bought this lens sooner! This lens is amazing and sooooo sharp even at 1.2!" bhphotovideo.com

Wide aperture f/1.2

	Focus motor	Canon USM			Max focal length	85 mm
	Image stabilization	None			Length	84 mm
	Fixed aperture	n/a			Zoom range	1x
	Aperture	f/1.2			Weight	1 kg

"Great zoom, excellent clarity!! It goes perfect on my canon T2i." bhphotovideo.com

More advanced image stabilization Canon IS

Great telephoto lens 300 mm

	Focus motor	Canon USM			Max focal length	300 mm
	Image stabilization	Canon IS			Length	142 mm
	Fixed aperture	No			Zoom range	4.3x
	Aperture	f/4			Weight	0.6 kg