Pentax K-7 50mm Low light lenses

"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

	Auto focus	Yes			Weight	0.5 kg
	Focus motor	Sigma HSM			Diameter	85 mm
	Aperture	f/1.4			Zoom range	1x
	Length	68 mm			Fisheye	No

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

Supports autofocus Easier to use

	Auto focus	Yes			Weight	222 g
	Focus motor	None			Diameter	64 mm
	Aperture	f/1.4			Zoom range	1x
	Length	38 mm			Fisheye	No

"This is the best lens for Pentax. The combination Pentax K20-D with this lens is better then Nikon or Canon."

	Auto focus	No			Weight	n/a
	Focus motor	None			Diameter	n/a
	Aperture	f/1.4			Zoom range	1x
	Length	n/a			Fisheye	No

"Words really cannot describe the overall satisfaction that this fine lens brings to the user. I highly recommend anyone interested in what quite possibly might be a future legendary piece of glass to give this one a try. Is there anything not good about this lens? Nope. Not a thing. As my title says...my new benchmark."

	Auto focus	No			Weight	0.5 kg
	Focus motor	None			Diameter	72 mm
	Aperture	f/2			Zoom range	1x
	Length	65 mm			Fisheye	No