Pentax K-7 Lenses made by Pentax that have a Pentax SDM focus motor and have a f/2.8 or faster aperture

"Great lens for taking pictures of the kids, fast, smooth zoom and I don't have to be in their face to get a shot, very sharp pictures..." bhphotovideo.com

	Aperture	f/2.8			Length	137 mm
	Focus motor	Pentax SDM			Zoom range	2.7x
	Min focal length	50 mm			Diameter	76 mm
	Max focal length	135 mm			Weight	0.7 kg

"I love the lens in almost all ways. It's sharp, fast focusing, needs very little light in F1.4 and the quick shift to manual focus is really OK to have." bhphotovideo.com

Wide aperture f/1.4

	Aperture	f/1.4			Length	66 mm
	Focus motor	Pentax SDM			Zoom range	1x
	Min focal length	55 mm			Diameter	71 mm
	Max focal length	55 mm			Weight	375 g

"Great construction, versatile and great image quality, especially the diaphragm closing a little more than 16mm focal length." bhphotovideo.com

	Aperture	f/2.8			Length	99 mm
	Focus motor	Pentax SDM			Zoom range	3.1x
	Min focal length	16 mm			Diameter	84 mm
	Max focal length	50 mm			Weight	0.6 kg

"Unbelievable image clarity with zero distortion. Impressive build and quality workmanship." bhphotovideo.com

	Aperture	f/2.8			Length	135 mm
	Focus motor	Pentax SDM			Zoom range	1x
	Min focal length	200 mm			Diameter	84 mm
	Max focal length	200 mm			Weight	0.8 kg