Pentax Lenses that have a focus motor and have a f/2.8 or faster aperture

"The build quality seems top notch, no play in the focus or zoom rings at all, and very smooth action of both."

	Aperture	f/2.8			Zoom range	2.7x
	Focus motor	Pentax SDM			Length	136 mm
	Min focal length	50 mm			Weight	0.7 kg
	Max focal length	135 mm			Diameter	76 mm

"Extremely well built, weather sealed, fast, and sharp at all F-stops."

	Aperture	f/2.8			Zoom range	1x
	Focus motor	Pentax SDM			Length	134 mm
	Min focal length	200 mm			Weight	0.8 kg
	Max focal length	200 mm			Diameter	83 mm

"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."

Wide aperture f/1.4

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

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

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