Nikon D3100 Lenses made by Tamron that have a f/2.8 or faster aperture

"I have had this lens for only a few weeks, but it's definitely become my primary lens for my D90. I really like the weight and size."

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	None			Zoom range	2.9x
	Focus motor	None			Min focal length	17 mm
	Length	82 mm			Weight	434 g

"It's a great lens, definitely worth saving the money from the Nikon 70-200mm. It's great for portraits as well, and it's more durable and sturdy than I expected."

Great telephoto lens 200 mm

	Aperture	f/2.8			Max focal length	200 mm
	Image stabilization	None			Zoom range	2.9x
	Focus motor	None			Min focal length	70 mm
	Length	194 mm			Weight	1.1 kg

"It is very sharp, and the colors are fantastic! love, love!"

	Aperture	f/2.8			Max focal length	90 mm
	Image stabilization	None			Zoom range	1x
	Focus motor	None			Min focal length	90 mm
	Length	n/a			Weight	405 g

"I've found this lens is extremely clear and am EXTREMELY satisfied with this product. The first lens I've purchased (other than the one that came with my Nikon) and I'm hooked!"

	Aperture	f/2.8			Max focal length	75 mm
	Image stabilization	None			Zoom range	2.7x
	Focus motor	None			Min focal length	28 mm
	Length	92 mm			Weight	0.5 kg

"I was able to shoot at shutter speeds as low as 1/6 second hand held @ ISO 1250 with a Nikon D300. Resulting photos were sharp except for movement in the scene."

More advanced image stabilization Tamron VC

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	Tamron VC			Zoom range	2.9x
	Focus motor	None			Min focal length	17 mm
	Length	95 mm			Weight	0.6 kg

"This lens is fast, light weight and compact. Pictures are crisp, and the ability to use manual focus while in auto focus mode is a plus. All around great lens!"

	Aperture	f/2			Max focal length	60 mm
	Image stabilization	None			Zoom range	1x
	Focus motor	None			Min focal length	60 mm
	Length	80 mm			Weight	400 g

"Enjoy many aspects of this great new lens. From its small footprint in my camera bag to its performance as a wide angle lens."

	Aperture	f/2.8			Max focal length	14 mm
	Image stabilization	None			Zoom range	1x
	Focus motor	None			Min focal length	14 mm
	Length	89 mm			Weight	0.7 kg