The Specs

Optics
Min Focal Length 50 mm
Min Focus Distance 7.8 in
Filter Size Supported 55 mm
Additional Specifications
Angle of View 47 Degrees
normalized-Weight 10.41
Minimum Aperture 32 1/f
Lens Construction 7 Elements in 6 Groups
Product Model SAL-50M28
Digital Format Yes
Brand Name Sony
Maximum Aperture 2.8 1/f
Quick Glance
Max Focal Length 50 mm
Lens Type Macro
Max Aperture f/ 2.8
Compatible Camera Mount Sony alpha DSLR-A100 Digital SLR Camera
Other Features
Included Components SAL-50M28 50mm f/2.8 Macro LensFront and Rear Lens Cap
Warranty
Warranty Information 1 Year Limited Warranty
More Info
URL http://www.sony.com
Physical Specifications
Diameter 2.81 in
Weight 10.41 oz
Length 2.38 in

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