Canon EOS 50D Landscape lenses that have Sigma OS image stabilization and have a f/2.8 or faster aperture

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

Fixed aperture The same aperture at all focal lengths

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	Sigma OS			Weight	0.6 kg
	Fixed aperture	Yes			Min focal length	17 mm
	Zoom range	2.9x			Auto focus	Yes

"It's SUPER quiet and love that it comes with a hood and has a metal mount. Very durable and nice lens."

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	Sigma OS			Weight	395 g
	Fixed aperture	No			Min focal length	18 mm
	Zoom range	2.8x			Auto focus	Yes

"I like the lense. It is a great walk around lense which is light and fast enough for situations where other lenses fail. I used to have the 17-85mm EF-S Canon lense before and was looking for a faster alternative that is having a good wide ancle"

	Aperture	f/2.8			Max focal length	70 mm
	Image stabilization	Sigma OS			Weight	465 g
	Fixed aperture	No			Min focal length	17 mm
	Zoom range	4.1x			Auto focus	Yes