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Ricoh-Pentax SMC-DA* 16-50/2.8 ED AL SDM

Internal focusing
Yes
Manual focus in AF mode (FTM)
Yes
Supports autofocus
Yes
Auto focus engine
Ultrasound engine
Filter thread
Yes
Filter diameter
77 mm
Format
APS-C (crop)
Lens mount system
Pentax K
Diameter
84 mm
Length
98.5 mm
Product weight
565 g
Tripod mount
No
Weather proof (moisture/dust)
Yes
Construction
Zoom
Motorised zoom
No
Zoom mechanism
Expanding
Type of lens
Wide angle, Normal
Focal length (physical)
16 - 50 mm
Image stabiliser
No
Magnification ratio (1:x)
Maximum aperture (wide-angle - telephoto)
2.8
Minimum focus distance (wide angle-tele)
0.3 m
Lens hood (included/ built-in)
Yes
Release year
2007