Samsung D 16-45mm f/4.0

	APS-C sized image Lenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. No Ultrasonic AF Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. No stepping motor AF Lenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. Not stabilized Image stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. No drop-in filter support Drop-in filters are used in those lenses where either the front lens is too large, or the field of view doesn't permit the use of traditional filters at the front of the lens. Usually bright tele and ultra-wide angle lenses support this filter type.

Samsung D 16-45mm f/4.0 Specification

Samsung D 16-45mm f/4.0 Specification
Available mount(s)	Pentax K
Application(s)	Portrait, Landscape, Interiors, Architecture
Category(s)	Standard zoom
Multiplier	1.5×
Stabilizer	no
Focal length	16 - 45 mm (2.8× zoom)
Lens construction	13 elements in 10 groups
Angle of view	35mm: N/A digital: 83-35°
Number of blades	8
Maximum aperture	wide: f/4 tele: f/4
Minimum aperture	wide: f/22 tele: f/22
Minimum focusing distance	0.28 cm
Magnification	0.26×
Filter size	67 mm
Size	∅ 72 × 92 mm
Weight	365 g
Notes
AF speed	N/A
AF sound
Internal focusing	N/A
Internal zoom	N/A
Fix front lens	N/A
Mount type	N/A
Weather sealed	N/A
Drop in filter	no
Ultrasonic AF	no
Stepping motor AF	no
APS-C sized circle	yes
Low dispersion lens element	N/A
Hard case	N/A
Soft case	N/A
Lens hood	SCH-L67 (included)
Tripod adapter	N/A

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