Sigma 70-300mm f/4-5.6 DL Macro Super Autofocus Lens for Pentax K-Mount {58}
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Sigma 70-300mm f/4-5.6 DL Macro Super Autofocus Lens for Pentax K-Mount {58}
A compact Tele-Macro Zoom lens, capable of focusing down to 1:2 (half life-size) reproduction ratio at 300mm focal length. An optional accessory 58mm achromatic close-up lens allows even closer focusing and reproduction ratios up to 1:1 or life-size. This lens is made using ecological lead and arsenic free glass, including one Special Low Dispersion (SLD) glass element.
Magnification: 1:4, 1:2 in Macro
Minimum aperture: f22-f32
Construction: 14 elements in 10 groups
Angle of view: 34.3-8.2 degrees
Minimum focus: 59.1 inches, 37.4 inches in macro
Filter: 58mm
Length: 4.7 inches
Weight: 20.6 ounces