Lens tech data for Sony Alpha DT 50/1.8 SAM

Image: Sony, used by permission
General
NameSony Alpha DT 50/1.8 SAM
Mount typeA-mount
Release year2009
Statuscurrent
Manufacturer's order codeSAL-50F18
Aperture
Minimum aperture22
Aperture blades7, circular
Optical construction
Elements/groups6/5
Minimum focus distance34 cm
Maximum magnification1:5 (0.2×)
Focus designextension
Features
AF driveSAM (micro)
D functionyes
Lens buttons
Focus range limiter
Tripod mount
Other featuresAF/MF switch, distance scale
Dimensions and weight
Minimum length [mm]45.0
Maximum length [mm]unknown
Maximum diameter [mm]70.0
Filter diameter [mm]/type49/front
Weight [g] nominal/net/gross170/170/190
Hood
Hood mount
Hood shape
Hood part number
Movements
Filter rotates when focusingno
Length changes when focusingyes
Focus ring rotates in AF modeyes
Construction and accessories
Colorblack
Weather sealingno
Mount materialpolycarbonate
Standard accessoriesfront cap, rear cap
Optional accessories
Misc
Lens ID57
Comments
Reviews & linksGary Wolstenholme on ePHOTOzine (full review), Klaus Schroiff on Photozone.de (full review), LensTip.com (full review), Margaret Brown on PhotoReview Australia (full review), Mark Goldstein on Photography Blog (full review)
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Part of camera kit

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