Pentax K-r Wildlife lenses that have Sigma OS image stabilization

"I am shooting through this lens, and I am loving the results. I really haven't had any complaints about it and it has performed as described."

	Image stabilization	Sigma OS			Max focal length	200 mm
	Zoom range	4x			Weight	n/a
	Fixed aperture	No			Aperture	f/4
	Focus motor	Sigma HSM			Length	102 mm

"I gave it 5 stars based on what I would expect from a zoom lens and the image quality is really quite impressive for a super zoom; better than anything else of this type that I've seen. It is a good, solid, well made lens and I couldn't be happier with it."

Great zoom range 13.9x

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

"I like to work with it for anxious, aloof or dangerous animal takings since it allows prudent distances. It is a good complement for an objective 18-70 or 28-70"

	Image stabilization	Sigma OS			Max focal length	300 mm
	Zoom range	4.3x			Weight	0.6 kg
	Fixed aperture	No			Aperture	f/4
	Focus motor	None			Length	127 mm