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Pentax K200D with DA 55mm 1.4 SDM Top View
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Pentax K200D with DA 55mm 1.4 SDM Front View
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Pentax K200D with DA 55mm 1.4 SDM Front View w Lens Hood
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Lens Hood Stowage
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Pentax DA 55mm 1.4 SDM side
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Pentax DA 55mm 1.4 SDM beamstops
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Laser Fluorescence Cutaway of Pentax Lens - Stretched
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Phalaenopsis at f/2.4
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Phalaenopsis at f/2.0
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Tabletop photo studio
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Christmas Angel f/1.4
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Christmas Angel f/2.4
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Christmas Angel f/4.0
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Christmas Angel f/8.0
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Christmas Angel f/16
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Angel at f/1.4
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Angel at f/2.0
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Pentax DA 55mm 1.4 SDM contacts
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Pentax DA 55mm 1.4 SDM front aperture
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Pentax DA 55mm 1.4 SDM rear
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Kit lens and the 1.4 SDM
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Rear apertures
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Video: Aperture working rear view
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Video: Aperture working front view
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Video: SDM ultrasonic AF motor working
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Lithops midnight f/1.4 30sec ISO100 a
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Blue Munich
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Pentax DA* 55mm SDM
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Pentax DA* 55mm SDM
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Relativity
