Nikon D3100 50mm Lenses that have a f/1.8 or faster aperture

"Perfect photos at 65 mph at f8 @1/800! This lens lets in lots of light so I can use a fast shutter and get absolutely no blur at highway speeds." bhphotovideo.com

	Aperture	f/1.8			Length	38 mm
	Focus motor	None			Weight	156 g
	Auto focus	Yes			Zoom range	1x
	Diameter	64 mm			Fisheye	No

"I bought this lens for portraits and low-light sporting events. It takes amazing photos. I recently used it to shot an evening youth football game and couldn't have been happier. I would definitely recommend this lens to everyone." bhphotovideo.com

	Aperture	f/1.4			Length	43 mm
	Focus motor	None			Weight	230 g
	Auto focus	Yes			Zoom range	1x
	Diameter	64 mm			Fisheye	No

"Clarity and color is amazing in low light situations. Also depth of field is amazingly tight at 1.4. I haven't had problems with the autofocus speed. For the price this lens is amazing." bhphotovideo.com

Silent focus motor Silent and fast

	Aperture	f/1.4			Length	53 mm
	Focus motor	Nikon AF-S			Weight	281 g
	Auto focus	Yes			Zoom range	1x
	Diameter	74 mm			Fisheye	No

"Absolutely amazing lens especially on the D700. FAR superior to other prime lenses." bhphotovideo.com

Silent focus motor Silent and fast

	Aperture	f/1.4			Length	69 mm
	Focus motor	Generic motor			Weight	350 g
	Auto focus	No			Zoom range	1x
	Diameter	66 mm			Fisheye	No