Its fast F1.4 aperture offers outstanding depth of field control
enhances durability for use in both rainy and dusty conditions
instant switching from autofocus to manual focus operation.
Overview
Specs
Reviews
Standard in focal length, but excellent in quality, the smc Pentax DA Star 55mm for Pentax digital SLR cameras is incredibly fast and offers outstanding depth of field control. And with its weather-resistant construction, it’s versatile enough for all types of shooting conditions.
Weather-resistant and Dust-resistantThe Pentax smc DA 55mm f/1.4 SDM‘s lenses are weatherproofed and protected from penetrating dust by appropriate seals.
SDM SystemThe Pentax smc DA 55mm f/1.4 SDM Lens features a motor driven by supersonic waves for a quiet, high-speed auto focus.
Quick Shift Focus SystemThe Pentax "Quick Shift Focus System" allows the photographer to manually alter the focus point at will without having to take the camera out of the auto-focus mode.
Learn more about the PENTAX 21790
Model
Brand
PENTAX
Model
21790
Details
Type
Fixed Length Lens
Color
Black
Compatibility
Pentax
Specifications
LENS MOUNT: PENTAX KAF3 FOCAL LENGTH: 55mm (equiv 84mm) APERTURE: f/1.4 MIN APERTURE: f/22 LENS CONSTRUCTION: 9 elements in 8 groups ANGLE OF VIEW: 28.6° (w/ PENTAX DSLR) MIN FOCUSING DISTANCE: 1.48' (0.45m) MAX MAGNIFICATION: 0.173X DIAPHRAGM CONTROL: Fully Automatic NUMBER OF APERTURE BLADES: 9 MAX DIAMETER X MIN LENGTH: 2.8" x 2.6" (70.5 x 66.0mm) WEIGHT (W/O HOOD): 13.2 oz. (375g)
Features
Features
Prime standard lens is ideal for portrait, still life, or low light photography. Fast f/1.4 aperture for outstanding depth of field control. Rounded diaphragm blades create a more circular aperture for smooth, beautiful bokeh at large aperture settings. PENTAX SDM autofocus system for accurate, quiet focusing. Weather and dust resistant construction for safe and reliable operation in the field. High performance Aero Bright coating on internal lens elements offers high refraction index for improved light transmission with minimal ghosting/flaring. Quick-shift Focus System for instant switching from auto to manual focus. Focal length equivalent to 84.5mm (in 35mm format). Developed specifically for PENTAX digital SLR cameras.