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Sony SLT-A55 Portrait lenses for Sony Alpha (Full-frame) lens mount that have Sigma OS image stabilization
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Silent focus motor |
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| Silent and fast |
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Image stabilization
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Sigma OS |
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Max focal length
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300 mm |
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Weight
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2.9 kg |
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Aperture
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f/2.8 |
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Fixed aperture
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Yes |
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Zoom range
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2.5x |
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Focus motor
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Sigma HSM |
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Min focal length
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120 mm |
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Image stabilization
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Sigma OS |
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Max focal length
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300 mm |
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Weight
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0.6 kg |
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Aperture
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f/4 |
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Fixed aperture
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No |
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Zoom range
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4.3x |
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Focus motor
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None |
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Min focal length
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70 mm |
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Silent focus motor |
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| Silent and fast |
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Image stabilization
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Sigma OS |
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Max focal length
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200 mm |
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Weight
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n/a |
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Aperture
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f/2.8 |
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Fixed aperture
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Yes |
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Zoom range
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2.9x |
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Focus motor
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Sigma HSM |
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Min focal length
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70 mm |
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Image stabilization
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Sigma OS |
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Max focal length
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105 mm |
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Weight
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n/a |
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Aperture
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f/2.8 |
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Fixed aperture
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n/a |
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Zoom range
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1x |
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Focus motor
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None |
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Min focal length
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105 mm |
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