Pentax 15-30mm f/2.8 HD PENTAX-D FA ED SDM WR Lens

• Ultra-wide angle zoom lens offers outstanding image quality, shallow depth of field for selective focus and provides a maximum aperture of F2.8 throughout the entire zoom range to deliver brilliant images.
• Constructed to reduce various aberrations including color aberrations while providing high contrast and high resolution throughout the entire image field atmaximum aperture.
• SDM (Supersonic Direct-Drive Motor) – Shoot discreetly with in-lens, auto focus motor operation for quick, smooth and quiet performance.
• HD (High Definition) – Treated with state-of-the-art HD technology; a high grade, multi-layer coating, allowing the user to capture crisp, high-contrast images free of flare and ghosting, even under demanding lighting conditions.
• ED (Extra Low Dispersion) glass lens elements deliver clear, high resolution imagery with outstanding edge-to-edge sharpness throughout the entire zoom range
• WR (Weather Resistant) – Designed with eight specially designed seals to prevent intrusion of water.

Specifications

Lens MountPentax KAF3Focal Length35mm: 15-30
APS-C: 23-46mmConstruction18 elements in 13 groupsAngle of view111 – 72 degreesF stop rangeMinimum F stop: 22Closest Focusing Distance0.28m (0.92 ft.)Maximum Magnification0.20XFilter SizeN/ADiaphragm ControlFully AutomaticNumber of Aperture Blades9
Rounded Aperture: W 15mm: F2.8 – 4
T 30mm: F2.8-5.6Lens Aperture RingN/ALens HoodBuilt- InDimensions (Length x Diameter)3.9″ x 5.65″Weight36.7 oz. (1040g)