Olympus E-620 Lenses made by Sigma

"I must say I am loving this Lens and you will too."

Wide aperture f/1.4

Quite short 74 mm

	Max focal length	50 mm			Fixed aperture	n/a
	Length	74 mm			Focus motor	Sigma HSM
	Weight	0.5 kg			Min focal length	50 mm
	Aperture	f/1.4			Diameter	85 mm

"As the most affordable low-light lens for the 4/3rds System, this is an amazing lens. It's sharp, bright, and works like a charm with an E-410"

Wide aperture f/1.4

Quite short 59 mm

Very light 430 g

	Max focal length	30 mm			Fixed aperture	n/a
	Length	59 mm			Focus motor	Sigma HSM
	Weight	430 g			Min focal length	30 mm
	Aperture	f/1.4			Diameter	76 mm

"Very sharp lens with excellent contrast."

	Max focal length	150 mm			Fixed aperture	n/a
	Length	137 mm			Focus motor	Sigma HSM
	Weight	0.9 kg			Min focal length	150 mm
	Aperture	f/2.8			Diameter	80 mm

"I shoot a lot of interiors of homes, and this was just the perfect lens to add to my arsenal. Great depth of field, nice and wide, and hardly any distortion."

Wide angle lens 10 mm

Quite short 81 mm

	Max focal length	20 mm			Fixed aperture	No
	Length	81 mm			Focus motor	Sigma HSM
	Weight	n/a			Min focal length	10 mm
	Aperture	f/4			Diameter	84 mm

"I have really enjoyed this lens. It's sharp, easy to use, and affordable. I've used it mostly in its manual focus mode and stopped down to 11-22 and the images are needle sharp."

Very light 450 g

	Max focal length	105 mm			Fixed aperture	n/a
	Length	95 mm			Focus motor	None
	Weight	450 g			Min focal length	105 mm
	Aperture	f/2.8			Diameter	74 mm

"It is a great surf photography lens. I am happy to trade the zoom range for any offset Canon's big glass has to offer. Very happy."

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			Focus motor	Sigma HSM
	Weight	5.9 kg			Min focal length	300 mm
	Aperture	f/5.6			Diameter	166 mm

"I take most of the pictures with a tripod. So, for certain not so fast picture taking, this lens serves me well. To me, lens with natural looking colors and excellent sharpness are the two most important factors I look in a lens."

Wide aperture f/1.8

Quite short 82 mm

	Max focal length	24 mm			Fixed aperture	n/a
	Length	82 mm			Focus motor	None
	Weight	485 g			Min focal length	24 mm
	Aperture	f/1.8			Diameter	84 mm