Pentax K-m Lenses that have a f/1.4 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			Length	68 mm
	Auto focus	Yes			Max focal length	50 mm
	Focus motor	Sigma HSM			Weight	0.5 kg
	Min focal length	50 mm			Diameter	85 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			Length	38 mm
	Auto focus	Yes			Max focal length	50 mm
	Focus motor	None			Weight	222 g
	Min focal length	50 mm			Diameter	64 mm

"Awesome lens. In good to decent light, sharp and snappy AF. A 30mm f/1.4 on an crop center hits a pretty decent sweet spot. Relatively sharp (although not across the frame.) Decent MF feel, especially for a modern third party AF lens."

Supports autofocus Easier to use

	Aperture	f/1.4			Length	59 mm
	Auto focus	Yes			Max focal length	30 mm
	Focus motor	None			Weight	430 g
	Min focal length	30 mm			Diameter	76 mm

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

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