Pentax SMC-DA 21mm f/3.2AL Limited Specifications

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Rating: 4.5 out of 5

Lowest Price: £560.73

Manufacturer's Description:

"An Interchangeable Wide-Angle Lens for PENTAX Digital SLR Cameras,

Featuring Ultra-Thin Pancake Design and Versatile Angle of View"

Availability
	Discontinued	No
	Year announced	2006
General
	Lens Mounts	Pentax K SMC-DA
	Focal Type	No Data
Lens
	Focal Length	21mm
	Angle of View	0° - 68°
	Max Aperture	f/3.2
	Min Aperture	f/22
	Filter Size	49mm
	Stabilised	No
	35mm equivalent	No Data
	Internal focusing	No Data
	Maximum magnification	No Data
Focusing
	Min Focus	20cm
	Macro	No
	Focusing modes
Construction
	Blades	7
	Elements	8
	Groups	5
	Weather-sealed	No Data
Box Contents
	Box Contents	No Data
Dimensions
	Weight	140g
	Height	25mm
	Diameter	63mm
MTF Data
	Effective focal length	No Data
	Weighted MTF	No Data
	Average Weighted MTF	No Data
	Weighted MTF 10 lp/mm	No Data
	Weighted MTF 20 lp/mm	No Data
	Weighted MTF 40 lp/mm	No Data
	Distortion	No Data
	Grade	No Data
	Photodo MTF Score	No Data