Sigma SA Lenses

"This lens is incredibly fast! The depth of field is stunning and really brings the subject out. Although you can shoot many types of photos with this lens, I love shooting portraits"

Wide aperture f/1.4

Quite short 59 mm

	Max focal length	30 mm			Fixed aperture	n/a
	Length	59 mm			Min focal length	30 mm
	Aperture	f/1.4			Focus motor	Sigma HSM
	Weight	430 g			Image stabilization	None

"This is a well constructed fairly sharp lens."

Wide aperture f/1.8

	Max focal length	20 mm			Fixed aperture	n/a
	Length	86 mm			Min focal length	20 mm
	Aperture	f/1.8			Focus motor	None
	Weight	0.5 kg			Image stabilization	None

"The pictures have been very good so far with nothing remarkable to report."

Wide aperture f/1.4

Quite short 68 mm

	Max focal length	50 mm			Fixed aperture	n/a
	Length	68 mm			Min focal length	50 mm
	Aperture	f/1.4			Focus motor	Sigma HSM
	Weight	0.5 kg			Image stabilization	None

"I've tested this lens on my D60 and it is really very good"

Great telephoto lens 500 mm

More advanced image stabilization Sigma OS

	Max focal length	500 mm			Fixed aperture	No
	Length	252 mm			Min focal length	150 mm
	Aperture	f/5			Focus motor	Sigma HSM
	Weight	1.9 kg			Image stabilization	Sigma OS

"This has become a lens I must have with me. Use it appropriately and it is sharp with minimal to no vignetting."

	Max focal length	20 mm			Fixed aperture	No
	Length	81 mm			Min focal length	10 mm
	Aperture	f/4			Focus motor	Sigma HSM
	Weight	n/a			Image stabilization	None

"The three way focus switch is very helpful in allowing the lens to find a quick focus."

	Max focal length	150 mm			Fixed aperture	n/a
	Length	137 mm			Min focal length	150 mm
	Aperture	f/2.8			Focus motor	Sigma HSM
	Weight	0.9 kg			Image stabilization	None

"If you don't mind lugging around a 12lb lens, this works great."

Great telephoto lens 800 mm

Fixed aperture The same aperture at all focal lengths

	Max focal length	800 mm			Fixed aperture	Yes
	Length	542 mm			Min focal length	300 mm
	Aperture	f/5.6			Focus motor	Sigma HSM
	Weight	5.9 kg			Image stabilization	None

"This is an amazing piece of glass. Tried it out in the store and instantly fell in love with it. It's got a great feel to it and you know you've got quality in your hands."

Fixed aperture The same aperture at all focal lengths

	Max focal length	20 mm			Fixed aperture	Yes
	Length	88 mm			Min focal length	10 mm
	Aperture	f/3.5			Focus motor	Sigma HSM
	Weight	0.5 kg			Image stabilization	None

"This lens is great for portraits in tight spaces."

Fixed aperture The same aperture at all focal lengths

	Max focal length	70 mm			Fixed aperture	Yes
	Length	115 mm			Min focal length	24 mm
	Aperture	f/2.8			Focus motor	None
	Weight	0.7 kg			Image stabilization	None