50mm Low light lenses that have a f/1.4 or faster aperture

"This is a really nice lens and will be the flagship in my camera bag. I'm using it as a prime for my dslr film projects."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.2			Diameter	n/a
	Focus motor	Canon USM			Auto focus	Yes
	Length	n/a			Zoom range	1x
	Weight	0.6 kg			Fisheye	No

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

"I love this lens. It is nice to buy a product and exceed expectations."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"In my use of the lens with a Sigma mount, I have found it to be very good. The build quality is very good."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"I must say I am loving this Lens and you will too."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.4			Diameter	85 mm
	Focus motor	Sigma HSM			Auto focus	Yes
	Length	74 mm			Zoom range	1x
	Weight	0.5 kg			Fisheye	No

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

"It is terrific! Colors are warm and pure, autofocus is fast and razor sharp, and backgrounds melt into smooth blurred colors."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"Excellent in low light conditions. Super fast, quiet and precise focus."

Silent focus motor Silent and fast

Supports autofocus Easier to use

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

"Great lens in low light conditions and an excellent choice for portraits too."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.4			Diameter	74 mm
	Focus motor	Canon USM			Auto focus	Yes
	Length	51 mm			Zoom range	1x
	Weight	290 g			Fisheye	No

"I love how light weight and compact this lens is. Its sharpness at 1.4 is amazing."

Silent focus motor Silent and fast

Supports autofocus Easier to use

	Aperture	f/1.4			Diameter	74 mm
	Focus motor	Nikon AF-S			Auto focus	Yes
	Length	54 mm			Zoom range	1x
	Weight	280 g			Fisheye	No