Pentax K Prime Portrait lenses that have a f/2.8 or faster aperture

"I have been very satisfied: this lens is absolutely great for low light, or portraiture, requiring large apertures. I shoot with a Pentax k-x, non full-frame, and so the focal length is closer to 85 mm, perfect for portraits."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"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			Max focal length	50 mm
	Focus motor	None			Diameter	64 mm
	Length	38 mm			Weight	222 g
	Min focal length	50 mm			Auto focus	Yes

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

"This lens produces an accurate reproduction. The f/1.4 aperature has opened-up a whole new range of photo oppurtunities."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"This lens is great for portraits, sharp, nice bokeh and with beatifull color rendition.Autofocus on k-r is really fast and accurate and it feel pretty solid."

Supports autofocus Easier to use

	Aperture	f/2.4			Max focal length	70 mm
	Focus motor	None			Diameter	63 mm
	Length	26 mm			Weight	130 g
	Min focal length	70 mm			Auto focus	Yes

"This very sharp macro lens provides the power with big glass quality that makes it indispensable to the wildlife photographer. This lens gives you the ability to take life-sized photos while keeping your distance from the subject."

Supports autofocus Easier to use

	Aperture	f/2.8			Max focal length	105 mm
	Focus motor	None			Diameter	74 mm
	Length	95 mm			Weight	450 g
	Min focal length	105 mm			Auto focus	Yes

"I bought this in conjunction with the 160fc ringflash, perfect match for this lens.. Aside from being exellent at macro, I found this lens to be stuningly vibrant and contrasty for normal shooting.."

Supports autofocus Easier to use

	Aperture	f/2.8			Max focal length	100 mm
	Focus motor	None			Diameter	n/a
	Length	n/a			Weight	345 g
	Min focal length	100 mm			Auto focus	Yes

"This Tamron macro is a classic and has performance to back it up. It is sharp wide open and sharpness does not drop until f/16. Relative to the Pentax 100 f/3.5 macro, this Tamron is a tank."

Supports autofocus Easier to use

	Aperture	f/2.8			Max focal length	90 mm
	Focus motor	None			Diameter	71 mm
	Length	97 mm			Weight	405 g
	Min focal length	90 mm			Auto focus	Yes

"Very sharp lens, excellent image quality, great colours in the images. A great 50 mm all-rounder."

Supports autofocus Easier to use

	Aperture	f/2.8			Max focal length	50 mm
	Focus motor	None			Diameter	67 mm
	Length	60 mm			Weight	265 g
	Min focal length	50 mm			Auto focus	Yes