Nikon D3100 Zoom Lenses that have a f/2.8 or faster aperture

"The OS works excellent. Clear at even 200mm and nice bokeh." bhphotovideo.com

More advanced image stabilization Sigma OS

	Aperture	f/2.8			Length	91 mm
	Focus motor	Sigma HSM			Max focal length	50 mm
	Image stabilization	Sigma OS			Weight	0.6 kg
	Fixed aperture	Yes			Zoom range	2.9x

"I bought this lens to fill the gap between my 14-24 and 70-200 and have not been disappointed. It is as every bit as good as the other two professional products." bhphotovideo.com

	Aperture	f/2.8			Length	132 mm
	Focus motor	Nikon AF-S			Max focal length	70 mm
	Image stabilization	None			Weight	0.9 kg
	Fixed aperture	Yes			Zoom range	2.9x

"I have taken unbelievable portrait pictures with this lens. The bokeh is exactly as others have described. I have taken night football and hockey shots which I was not able to get with the kit zoom lenses." bhphotovideo.com

Great telephoto lens 200 mm

	Aperture	f/2.8			Length	188 mm
	Focus motor	None			Max focal length	200 mm
	Image stabilization	None			Weight	1.3 kg
	Fixed aperture	Yes			Zoom range	2.5x

"The colors this lens can capture are outstanding!" bhphotovideo.com

	Aperture	f/2.8			Length	132 mm
	Focus motor	Nikon AF-S			Max focal length	24 mm
	Image stabilization	None			Weight	1 kg
	Fixed aperture	Yes			Zoom range	1.7x

"All around amazing lens. Sturdy build, and very crisp images. Everyday lens." bhphotovideo.com

More advanced image stabilization Nikon VR II

Great telephoto lens 200 mm

	Aperture	f/2.8			Length	206 mm
	Focus motor	Nikon AF-S			Max focal length	200 mm
	Image stabilization	Nikon VR II			Weight	1.5 kg
	Fixed aperture	Yes			Zoom range	2.9x

"This lens is really great. The picture quality is awsome. It can make great proxy. I've shot a picture of a spider and i can see the hair over his eyes." bhphotovideo.com

More advanced image stabilization Sigma OS

	Aperture	f/2.8			Length	82 mm
	Focus motor	Sigma HSM			Max focal length	70 mm
	Image stabilization	Sigma OS			Weight	465 g
	Fixed aperture	No			Zoom range	4.1x