Pentax K-01 Low light lenses that have a f/1.4 or faster aperture

"The pictures are very sharp. Low light is fantastic. I have not found anything I dislike about it."

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

"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			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

"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

"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

"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