Pentax 50mm f/2.8 Macro SMC P-FA

 
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Lens Specifications
Name Pentax SMC P-FA 50mm f/2.8 Macro
Image Circle 35mm
Type Standard Prime Macro
Focal Length 50mm
APS Equivalent 75mm
Max Aperture f/2.8
Min Aperture f/32
Diaphragm Blades ?
Lens Construction 8 elements in 7 groups
Diagonal Angle of View(Based on image circle) 47 degrees
Focus Details
Front Element Rotation ?
Zoom System n/a
Closest Focus 15.2cm / 6 in.
Magnification Ratio 1.0x / 1:1
Filter Size 52mm
Dimensions(Length x Diameter) 71mm x 67.5mm / 2.8 in. x 2.7 in.
Weight 386g / 13.6 oz
Notes
Typical Online Price US$419.95