Leica 50mm f/1.4 Summilux-M Asph.

 
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Lens Specifications
Name Leica 50mm ƒ/1.4 Summilux-M Asph.
Image Circle 35mm
Type Standard Prime
Focal Length 51.6mm
APS Equivalent 1.33x (M8): 68.6mm
Max Aperture ƒ/1.4
Min Aperture ƒ/16
Diaphragm Blades 9
Lens Construction 8 elements in 5 groups
Diagonal Angle of View(Based on image circle) 47 degrees
Focus Details Manual focus only
Front Element Rotation No
Zoom System n/a
Closest Focus 0.7m / 2.3 ft.
Magnification Ratio 0.09x / 1:11.3
Filter Size 46mm
Dimensions(Length x Diameter) 52.5mm x 53.5mm / 2.07 in. x 2.11 in.
Weight 335g / 11.8 oz (black), 480g / 16.9 oz (silver)
Notes Leica M-mount with 6-bit ID bar code; Built-in telescopic lens hood; Available in black (anodized aluminum) or silver (chromed brass).
Typical Online Price US$4,000