Tamron Landscape lenses for less than $300 that have a generic focus motor and have a f/4 or faster aperture

"Lightweight, easy to use & it's so wonderful to use one lens & not have to switch back from one lens to another & miss a photo op!" bhphotovideo.com

Great zoom range 11.1x

	Aperture	f/3.5			Image stabilization	None
	Focus motor	Generic motor			Max focal length	200 mm
	Zoom range	11.1x			Diameter	74 mm
	Fixed aperture	No			Weight	398 g

"I like the durability and the low profile. The pictures are good." bhphotovideo.com

Great zoom range 11.1x

	Aperture	f/3.5			Image stabilization	None
	Focus motor	Generic motor			Max focal length	200 mm
	Zoom range	11.1x			Diameter	74 mm
	Fixed aperture	No			Weight	398 g

"I have had this lens for only a few weeks, but it's definitely become my primary lens for my D90. I really like the weight and size." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Aperture	f/2.8			Image stabilization	None
	Focus motor	Generic motor			Max focal length	50 mm
	Zoom range	2.9x			Diameter	74 mm
	Fixed aperture	Yes			Weight	430 g

"An excellent lens-especially for the price. The constant f2.8 maximum aperture makes it a first class, low light addition. It is solidly constructed and should last quite a while." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Aperture	f/2.8			Image stabilization	None
	Focus motor	Generic motor			Max focal length	50 mm
	Zoom range	2.9x			Diameter	74 mm
	Fixed aperture	Yes			Weight	430 g

"I am just thrilled to have one lens with such wide range of zoom [eqivilent to 28-300 in 35mm film format]." bhphotovideo.com

Great zoom range 11.1x

	Aperture	f/3.5			Image stabilization	None
	Focus motor	Generic motor			Max focal length	200 mm
	Zoom range	11.1x			Diameter	74 mm
	Fixed aperture	No			Weight	398 g

"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!" bhphotovideo.com

More advanced image stabilization Tamron VC

Fixed aperture The same maximum aperture at all focal lengths

	Aperture	f/2.8			Image stabilization	Tamron VC
	Focus motor	Generic motor			Max focal length	50 mm
	Zoom range	2.9x			Diameter	80 mm
	Fixed aperture	Yes			Weight	0.6 kg