Pentax HD-D FA 24-70mmF2.8ED SDM WR

The Pentax HD PENTAX-D FA 24-70mm F2.8 ED SDM WR is a versatile standard zoom lens designed for both full-frame and APS-C Pentax DSLR cameras. It features a constant f/2.8 aperture across its 24–70mm focal length range, delivering consistent brightness and depth of field control. The lens incorporates 17 elements in 12 groups, including 3 ED (Extra-low Dispersion) and 4 aspherical elements, to minimize chromatic aberrations and distortion. Its weather-resistant construction ensures reliable performance in challenging conditions. With a minimum focusing distance of 38 cm and a maximum magnification ratio of 0.20x, it offers flexibility for various shooting scenarios.

Specifications:

Lens Type:
Standard zoom lens for Pentax K-mount DSLRs (full-frame and APS-C)

Focal Length:
24–70mm (equivalent to 37–107mm on APS-C sensors)

Maximum Aperture:
f/2.8 (constant throughout zoom range)

Minimum Aperture:
f/22

Lens Construction:
17 elements in 12 groups

• 3 ED (Extra-low Dispersion) elements

• 4 aspherical elements

• 1 anomalous-dispersion aspherical element

Diaphragm Blades:
9 rounded blades for smooth bokeh

Autofocus System:
Supersonic Direct-drive Motor (SDM)
Quick-Shift Focus System for manual focus override

Minimum Focusing Distance:
0.38 meters (1.25 feet)

Maximum Magnification:
0.20x

Filter Size:
82mm

Dimensions:
Approximately 88.5mm (diameter) x 109.5mm (length)

Weight:
Approximately 787g (27.8 oz)
Approximately 812g (28.6 oz) with included hood

Weather Resistance:
Yes, with weather-resistant construction

Coatings:
HD (High Definition) coating for reduced flare and ghosting
SP (Super Protect) coating on front element to repel water and oil

Included Accessories:

• PH-RBD82 lens hood

• O-LC82 lens cap

• S120-150 lens case

Additional Features:

• Zoom lock mechanism to prevent lens barrel extension when pointed downward

• Internal focusing design to prevent front element rotation, useful for polarizers and graduated filters