Sigma Macro lenses for less than $700 that have a f/2.8 or faster aperture

"I mainly use this lens for close-up work like insects and plants. It is ideal for a full frame high resolution sensor and is sharp from edge to edge. I can't find any faults at this stage." bhphotovideo.com

	Aperture	f/2.8			Max focal length	70 mm
	Image stabilization	None			Weight	0.5 kg
	Length	94 mm			Diameter	76 mm
	Min focal length	70 mm			Auto focus	Yes

"I bought this lens to use with nature and landscape photography. I shot under a variety of conditions and found it to perform exptremely well for both distance and macro work." bhphotovideo.com

	Aperture	f/2.8			Max focal length	70 mm
	Image stabilization	None			Weight	0.5 kg
	Length	94 mm			Diameter	76 mm
	Min focal length	70 mm			Auto focus	Yes

"the colors and contrast are beautiful" bhphotovideo.com

	Aperture	f/2.8			Max focal length	70 mm
	Image stabilization	None			Weight	0.5 kg
	Length	94 mm			Diameter	76 mm
	Min focal length	70 mm			Auto focus	Yes

"This lens is wonderful for macro photography. Sharp focus, great depth of field and excellent price makes it a must have lens." bhphotovideo.com

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	None			Weight	312 g
	Length	64 mm			Diameter	71 mm
	Min focal length	50 mm			Auto focus	Yes

"You can get up really close and still focus. It takes a sharp picture." bhphotovideo.com

	Aperture	f/2.8			Max focal length	50 mm
	Image stabilization	None			Weight	312 g
	Length	64 mm			Diameter	71 mm
	Min focal length	50 mm			Auto focus	Yes

"I have had this lens for over 5 years, and it is absolutely amazing for portraits" bhphotovideo.com

	Aperture	f/2.8			Max focal length	70 mm
	Image stabilization	None			Weight	0.5 kg
	Length	94 mm			Diameter	76 mm
	Min focal length	70 mm			Auto focus	Yes