Canon Rebel T3i Zoom Portrait lenses made by Tamron

"I use this lens for out sports and with the new USD focus is very fast"

Silent focus motor Silent and fast

More advanced image stabilization Tamron VC

	Fixed aperture	No			Focus motor	Tamron USD
	Zoom range	4.3x			Aperture	f/4
	Image stabilization	Tamron VC			Length	n/a
	Max focal length	300 mm			Min focal length	70 mm

"The manual/auto focus switch is not hard to get used to and is certainly easy to operate without the need to hunt for it reguardless of the camera/lens orientation."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Focus motor	None
	Zoom range	2.9x			Aperture	f/2.8
	Image stabilization	None			Length	194 mm
	Max focal length	200 mm			Min focal length	70 mm

"Lens has a great look to it! For the money it is beyond worth it. We use it on our 7d's and the quality is out of this world!"

Fixed aperture The same aperture at all focal lengths

More advanced image stabilization Tamron VC

	Fixed aperture	Yes			Focus motor	None
	Zoom range	2.9x			Aperture	f/2.8
	Image stabilization	Tamron VC			Length	95 mm
	Max focal length	50 mm			Min focal length	17 mm

"The lens is a great value, easy to use and produces sharp inages in low light settings."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Focus motor	None
	Zoom range	2.7x			Aperture	f/2.8
	Image stabilization	None			Length	92 mm
	Max focal length	75 mm			Min focal length	28 mm

"This is an excellent zoom lens for the money. You can't go wrong with purchasing it. Crisp images and solid construction."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Focus motor	None
	Zoom range	2.9x			Aperture	f/2.8
	Image stabilization	None			Length	82 mm
	Max focal length	50 mm			Min focal length	17 mm

"This is my first lens with any stabilization, and so far, I love it. It's a great walking around lens."

Great zoom range 10.7x

More advanced image stabilization Tamron VC

	Fixed aperture	No			Focus motor	None
	Zoom range	10.7x			Aperture	f/3.5
	Image stabilization	Tamron VC			Length	99 mm
	Max focal length	300 mm			Min focal length	28 mm

"I have used this lens extensively for its versatility providing me one lens for on the move photography. This lens allows you to transition from near object to those targets of opportunity at a distance rather quickly."

Great zoom range 10.7x

	Fixed aperture	No			Focus motor	None
	Zoom range	10.7x			Aperture	f/3.5
	Image stabilization	None			Length	84 mm
	Max focal length	300 mm			Min focal length	28 mm

"Very impressed with this lens. Only got it this morning and cannot stop taking photos with it!"

	Fixed aperture	No			Focus motor	None
	Zoom range	3.6x			Aperture	f/4
	Image stabilization	None			Length	83 mm
	Max focal length	200 mm			Min focal length	55 mm

"I would strongly recommend the zoom telephoto AF70-300 mm Macro Autofocus Lens. I used it on the deer and wild turkeys in my backyard. It was easy for a person with arthritis to use. Loved the autofocus."

	Fixed aperture	No			Focus motor	None
	Zoom range	4.3x			Aperture	f/4
	Image stabilization	None			Length	117 mm
	Max focal length	300 mm			Min focal length	70 mm