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

"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

"Love this lens for those closeup shots. I needed a lens with a high F stop and I love to take portrait shots and it works great for them. The background blurs just like I needed it to!" 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

"This is a MUST OWN lens in the Nikon AF line. Not only sharp and fast, but my favorite perspective and CHEAP to buy! It's the best way to learn how ALL of the photojournalists in the 40s-70s shot EVERYTHING they printed." 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