Top Camera Lenses Comparison



	Sigma 50mm f/1.4 EX DG HSM Lens for Nikon Digital SLR Cameras	Olympus SWD 12-60mm 1:2.8-4.0 ED Lens	Sigma SMC-A 50mm f/1.4 For Pentax
Specs
Rating
Price	$474 - $510	$787 - $1,150	$474 - $499
Min Aperture	f/16	f/22
Diameter	3.3 in	3.13 in
Camera Format	Digital SLR	Digital SLR
Focal Length	50mm	24mm - 120mm	50mm
Weight	oz	20.28 oz	oz
MPN	310306	ED 12-60mm 1:2.8-4.0 SWD
Focus Type	Autofocus	Autofocus
Lens Type	Fixed Focal Length Lens	Zoom Lens
UPC	0085126310554		0085126310615
Picture Angle		20 - 84 degrees
Closest Focusing Distance	17.7 in	9.84 in
Length	2.7 in	3.88 in
Lens Max Aperture	f/1.4	f/2.8-f/4	f/1.4
Diaphragm Blades	9 Blades	7 Blades
Release Date		October, 2007
Macro Lens		With Macro Lens
Groups / Elements	8 Elements in 6 Groups	14 Elements in 10 Groups
Mount	Nikon		Pentax
Attachment / Filter Size	77 mm	72 mm
Designed for Digital Camera	Yes	Yes

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