Pentax K-r Wide angle lenses that have Sigma OS image stabilization

"This is a great all aroud lens. Love the wide angle I get and just enough zoom for an alround."

	Image stabilization	Sigma OS			Max focal length	70 mm
	Zoom range	4.1x			Aperture	f/2.8
	Fixed aperture	No			Weight	0.5 kg
	Focus motor	Sigma HSM			Diameter	79 mm

"This is a solid lens. I'm not 100% convinced the OS in this lens is an improvement over the body image stabilization, but it seems to be roughly equivalent."

	Image stabilization	Sigma OS			Max focal length	50 mm
	Zoom range	2.8x			Aperture	f/2.8
	Fixed aperture	No			Weight	395 g
	Focus motor	Sigma HSM			Diameter	n/a

"Lens has excellent speed and sharpness."

	Image stabilization	Sigma OS			Max focal length	125 mm
	Zoom range	6.9x			Aperture	f/3.8
	Fixed aperture	No			Weight	0.5 kg
	Focus motor	Sigma HSM			Diameter	74 mm

"Excellent clarity with good built in features. While the lens could be a little faster, it works in most situations and the price is also excellent. Highly recommended."

Great zoom range 13.9x

Great telephoto lens 250 mm

	Image stabilization	Sigma OS			Max focal length	250 mm
	Zoom range	13.9x			Aperture	f/3.5
	Fixed aperture	No			Weight	0.6 kg
	Focus motor	Sigma HSM			Diameter	n/a