Landscape lenses for less than $500 that have Sigma OS image stabilization and are 18mm or wider

"This lens is really great. The picture quality is awsome. It can make great proxy. I've shot a picture of a spider and i can see the hair over his eyes." bhphotovideo.com

	Min focal length	17 mm			Max focal length	70 mm
	Image stabilization	Sigma OS			Aperture	f/2.8
	Zoom range	4.1x			Diameter	79 mm
	Fixed aperture	No			Length	82 mm

"So what is great about it? Well most everything I would say. It is a performer, it's sharp, it's light, it's sturdy, easy to use, and a good all round lens, and also it's easy on your budget from B & H." bhphotovideo.com

	Min focal length	17 mm			Max focal length	70 mm
	Image stabilization	Sigma OS			Aperture	f/2.8
	Zoom range	4.1x			Diameter	79 mm
	Fixed aperture	No			Length	82 mm

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

Fixed aperture The same maximum aperture at all focal lengths

	Min focal length	17 mm			Max focal length	50 mm
	Image stabilization	Sigma OS			Aperture	f/2.8
	Zoom range	2.9x			Diameter	84 mm
	Fixed aperture	Yes			Length	91 mm

"Amazing very nice lens." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Min focal length	17 mm			Max focal length	50 mm
	Image stabilization	Sigma OS			Aperture	f/2.8
	Zoom range	2.9x			Diameter	84 mm
	Fixed aperture	Yes			Length	91 mm