Pentax K Portrait lenses that have a f/1.8 or faster aperture

"First off it's a solid lens, a bit heavy but it takes a beating. Fast focus and quiet. I use it with k20 and I am very happy with the results. A must for low light photography."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.4			Min focal length	50 mm
	Auto focus	Yes			Diameter	85 mm
	Focus motor	Sigma HSM			Weight	0.5 kg
	Length	68 mm			Max focal length	50 mm

"I love love love this new lens, the quality of the photos is spectacular if done in the right lighting. I would absolutely recommend for novices and professionals alike."

Supports autofocus Easier to use

	Aperture	f/1.4			Min focal length	50 mm
	Auto focus	Yes			Diameter	64 mm
	Focus motor	None			Weight	222 g
	Length	38 mm			Max focal length	50 mm

"Great multi-purpose performing lens, particularly if you want to "travel light" and leave the bag at home."

Supports autofocus Easier to use

	Aperture	f/1.8			Min focal length	77 mm
	Auto focus	Yes			Diameter	48 mm
	Focus motor	None			Weight	272 g
	Length	64 mm			Max focal length	77 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."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.4			Min focal length	55 mm
	Auto focus	Yes			Diameter	n/a
	Focus motor	Pentax SDM			Weight	375 g
	Length	n/a			Max focal length	55 mm

"It will be a 75mm in APS-C format, and great for portrait. The color rendition is much richer than my 43mm limited."

	Aperture	f/1.4			Min focal length	50 mm
	Auto focus	No			Diameter	n/a
	Focus motor	None			Weight	n/a
	Length	n/a			Max focal length	50 mm