สอบถาม ......
รายละเอียด:
The smc PENTAX-DA* 16-50mm f/2.8 ED AL[IF]SDM wide angle zoom lens delivers the highest level of optical quality and includes SDM technology for fast, accurate, quiet focus. Bringing together advanced optical technologies, including aspherical elements, special optical-glass elements and original lens coatings, these new interchangeable lenses are superior to any existing lens series in terms of contrast, clarity and edge-to-edge sharpness.
Specification
Lens mount: - PENTAX KAF2 mount
Lens construction: - 15 elements in 12 groups
Angle of view: - 83 Degree - 31.5 Degree
(when used with PENTAX Digital SLR camera body)
Diaphragm control: - Automatic
Number of aperture blades: - 9
Minimum aperture: - F22
Metering system: - TTL open-aperture metering
Minimum focusing distance: - 0.98 ft (0.3m)
Filter size: - 77mm
Maximum magnification: - 0.21X
Dimensions (diameter x length): - 3.3 x 3.9 inches (84 x 98.5mm)
Weight (w/o hood): - 19.9 oz. (565g)
Weight (with hood): - 21.2 oz. (600g)