- Focal length of 55mm (35mm equivalent of 84.5mm)
- Fast max f/1.4 aperture
- 9 rounded diaphragm blades
- 9 lens elements arranged in 8 groups
- 58mm filter thread specification
SMC 55mm f/1.4 SDM DA* series prime lens is designed for Pentax line of cropped DSLR cameras (35mm format equivalent focal length of 84.5mm) and sports a fast f/1.4 maximum aperture. It has a fixed focal length of 55mm, features Pentaxs Quick Shift Focus System and Super Protect (SP) coating to eliminate dirt, dust, grease and fingerprints. 9-blade aperture diaphragm create beautiful bokeh when used for portraiture while the overall lens construction includes 9 elements arranged in 8 groups.
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, its versatile enough for all types of shooting conditions.
The smc PENTAX DA Star 55mm F1.4 SDM is a prime standard lens that is ideal for portrait, still-life, or low light photography.
Adding the PENTAX Aero Bright coating on internal lens elements offers ultra high refraction index for improved light transmission with minimal ghosting and flaring.
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
The SDM focus system incorporated in this lens results in a smoother, quieter autofocusing operation using a built-in supersonic motor.
Developed specifically for PENTAX digital SLR cameras.
Its fast F1.4 aperture offers outstanding depth of field control, and its rounded diaphragm blades create a more circular aperture for smooth, beautiful bokeh at large aperture settings.
The tightly sealed, weather-resistant and dust-resistant construction enhances durability for use in both rainy and dusty conditions, making the DA Star 55mm F1.4 SDM lens a perfect companion for the weather-resistant PENTAX DSLR bodies.
The PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.
The focal length is equivalent to 84.5mm in the 35mm format.
ANGLE OF VIEW
NUMBER OF DIAPHRAGM BLADES
MINIMUM FOCUSING DISTANCE
17.76 inches (0.45m)
13.2 oz. (375g)
LENS APERTURE RING
Quick-shift focus, SP (Super Protect) coating, Rounded aperture (F1.4-2.8), Dust proof and weather resistant, SDM supersonic autofocus motor, SDM-only autofocus (manual focus on non-SDM bodies)
9 elements in 8 groups
2.8 x 2.6" (70.5 x 66.0mm)
55mm (equiv. 82.5mm)
- Rear Lens Cap
- Lens Soft Case S90-100