Canon EOS 50D Low light lenses for Canon EF (Full-frame) lens mount made by Sigma

"It's a very powerful lens and much better than de another lens on this aperture, it's amazing."

Silent focus motor Silent and fast

	Focus motor	Sigma HSM			Length	68 mm
	Min focal length	50 mm			Weight	0.5 kg
	Aperture	f/1.4			Diameter	85 mm
	Max focal length	50 mm			Auto focus	Yes

"I'm totally happy. As an OCD pixel-peeper who usually buys two copies and mails the "bad" one back, after my tests, I can say that this is a good lens."

Silent focus motor Silent and fast

	Focus motor	Sigma HSM			Length	n/a
	Min focal length	85 mm			Weight	n/a
	Aperture	f/1.4			Diameter	n/a
	Max focal length	85 mm			Auto focus	Yes

"I have found that I really love this lens for many purposes. (landscapes, people, milky way) I love the ability to have such shallow DOF with such a wide FOV"

	Focus motor	None			Length	86 mm
	Min focal length	20 mm			Weight	0.5 kg
	Aperture	f/1.8			Diameter	89 mm
	Max focal length	20 mm			Auto focus	Yes

"It produces very nice images even in low light, wonderful bokeh and a very shallow depth of field."

	Focus motor	None			Length	79 mm
	Min focal length	28 mm			Weight	481 g
	Aperture	f/1.8			Diameter	84 mm
	Max focal length	28 mm			Auto focus	Yes

"Good for indoor shoot as it works well in low light condition. Also for creative macros for the combintation of wide angle that it offers."

	Focus motor	None			Length	79 mm
	Min focal length	24 mm			Weight	485 g
	Aperture	f/1.8			Diameter	84 mm
	Max focal length	24 mm			Auto focus	Yes