Nikon D3100 Low light lenses that have a f/2.8 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."

	Aperture	f/1.4			Length	54 mm
	Focus motor	Nikon AF-S			Weight	280 g
	Min focal length	50 mm			Diameter	74 mm
	Max focal length	50 mm			Auto focus	Yes

"It outperforms everything I have in my kitbag. Sharp from edge to edge and the bokeh... oh the Bokeh!"

	Aperture	f/1.4			Length	81 mm
	Focus motor	None			Weight	0.6 kg
	Min focal length	85 mm			Diameter	79 mm
	Max focal length	85 mm			Auto focus	Yes

"Used lens all weekend as event photographer and never changed lens. Will use again at four events this week including one outdoor night event where flash is not permitted. This lens is an excellent performer and has quickly become my favorite."

	Aperture	f/1.4			Length	89 mm
	Focus motor	Nikon AF-S			Weight	0.6 kg
	Min focal length	24 mm			Diameter	83 mm
	Max focal length	24 mm			Auto focus	Yes

"It feels great, the pictures look great, and it focuses pretty fast. Also, it doesn't make a lot of noise on the videos made with the D90 compared to all my other lenses"

	Aperture	f/1.4			Length	59 mm
	Focus motor	Sigma HSM			Weight	430 g
	Min focal length	30 mm			Diameter	76 mm
	Max focal length	30 mm			Auto focus	Yes

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

	Aperture	f/1.4			Length	68 mm
	Focus motor	Sigma HSM			Weight	0.5 kg
	Min focal length	50 mm			Diameter	85 mm
	Max focal length	50 mm			Auto focus	Yes

"Great overall prime lens. I love it for portraits and street photography."

	Aperture	f/1.4			Length	n/a
	Focus motor	Nikon AF-S			Weight	0.7 kg
	Min focal length	85 mm			Diameter	n/a
	Max focal length	85 mm			Auto focus	Yes