§ 03 Head to head

HD Pentax-D FA 24-70mm f/2.8 ED SDM WR vs Sigma 24-70 mm f/2.8 EX DG HSM

Pentax 24–70mm f/2.8 has a newer design. Sigma 24–70mm f/2.8 is 15 mm shorter.

The HD Pentax-D FA 24-70mm f/2.8 ED SDM WR is a 24–70mm f/2.8 zoom, and the Sigma 24-70 mm f/2.8 EX DG HSM is a 24–70mm f/2.8 zoom. On paper they trade blows, with 1 advantage each.

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01

Key differences

From manufacturer specifications

Why is the HD Pentax-D FA 24-70mm f/2.8 ED SDM WR better than the Sigma 24-70 mm f/2.8 EX DG HSM?

  • Newer design (2015 vs 2008)

Why is the Sigma 24-70 mm f/2.8 EX DG HSM better than the HD Pentax-D FA 24-70mm f/2.8 ED SDM WR?

  • 15 mm shorter (94.7 mm vs 109.5 mm long)
03

Specification

17 rows · better value flagged ◆
SpecificationHD Pentax-D FA 24-70mm f/2.8 ED SDM WRSigma 24-70 mm f/2.8 EX DG HSM
Focal length24–70mm 24–70mm
Maximum aperturef/2.8 f/2.8
Minimum aperturef/22 f/22
Lens typeStandard zoom lens Zoom lens
FormatFull Frame Full frame
Weight787 g (27.8 oz) ◆790 g (27.87 oz)
Dimensions88.5 mm (diameter) x 109.5 mm (length) 88.6 x 94.7 mm
Minimum focusing distance0.38 m (1.25 ft) 0.38 m (14.96 inches)
Maximum magnification0.2x —
Image stabilizationNo —
Weather sealingYes —
Aperture ringNo —
Aperture blades9 (rounded) 9
Optical construction17 elements in 12 groups (including 3 ED elements and 3 aspherical elements) 14 elements in 12 groups
Filter size82 mm 82 mm
Lens mountPentax K Canon EF, Nikon F, Sony A, Sigma SA, Pentax K
Released2015 2008
04

Size

Drawn to relative scale
  • A · HD
  • B · Sigma
  • 109.5 × 88.5 mm
  • 94.7 × 88.6 mm

The HD Pentax-D FA 24-70mm f/2.8 ED SDM WR is 15 mm longer and 3 g lighter than the Sigma 24-70 mm f/2.8 EX DG HSM.

05

Sample frames

Shot on each lens

HD Pentax-D FA 24-70mm f/2.8 ED SDM WR

K1 II-280924-128
K1 II-280924-128 by Steve Chasey Photography
K1 II-280924-126
K1 II-280924-126 by Steve Chasey Photography
Ready 4 Duty
Ready 4 Duty by Nigel Musgrove-4.5 million views-thank you!
The Mighty Galaxy opens its mouth
The Mighty Galaxy opens its mouth by Nigel Musgrove-4.5 million views-thank you!

Sigma 24-70 mm f/2.8 EX DG HSM

1973 Dodge Charger SE, Old Town, Toronto.
1973 Dodge Charger SE, Old Town, Toronto. by edk7
Allen Lambert Galleria, Brookfield Place, Financial District, Toronto..
Allen Lambert Galleria, Brookfield Place, Financial District, Toronto.. by edk7
Brookfield Place, Financial District, Toronto.
Brookfield Place, Financial District, Toronto. by edk7
Old City Hall, Edward James Lennox, 1899, Toronto.
Old City Hall, Edward James Lennox, 1899, Toronto. by edk7
06

Video reviews

4 on YouTube
Video thumbnail for HD Pentax-D FA 24-70mm f/2.8 ED SDM WR review 1
Video thumbnail for HD Pentax-D FA 24-70mm f/2.8 ED SDM WR review 2
Video thumbnail for Sigma 24-70 mm f/2.8 EX DG HSM review 1
Video thumbnail for Sigma 24-70 mm f/2.8 EX DG HSM review 2
07

Questions

Which is lighter, the HD Pentax-D FA 24-70mm f/2.8 ED SDM WR or the Sigma 24-70 mm f/2.8 EX DG HSM?
The HD Pentax-D FA 24-70mm f/2.8 ED SDM WR weighs 787 g, 3 g less than the Sigma 24-70 mm f/2.8 EX DG HSM (790 g).