HD D FA 24-70mm f/2.8 ED SDM WRvs A6100

GearFrame · Updated March 2026

Pentax HD D FA 24-70mm f/2.8 ED SDM WR Pentax HD D FA 24-70mm f/2.8 ED SDM WR (2015) Starting from £999 new Best for Wedding, events & documentary photography View HD D FA 24-70mm f/2.8 ED SDM WR
VS
Sony A6100 Sony A6100 (2019) Starting from £549 new Best for Beginner, family, travel View A6100

GearScore™ Verdict — Which should you buy?

Wedding, Events & Documentary Photography — HD D FA 24-70mm f/2.8 ED SDM WR (2015): The professional zoom for Pentax DSLR shooters — weather-sealed to the same standard as the K-3 Mark III, with a constant f/2.8 across the full range.

Beginner, Family, Travel — A6100 (2019): Best autofocus in its class for the price.

↓ Full specifications below

Who should buy what

A6100 (2019)

  • First-time mirrorless buyers who want solid AF
  • Families stepping up from a smartphone

Quick take: The a6100 is the most affordable; only the hd d fa 24-70mm f/2.8 ed sdm wr is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification HD D FA 24-70mm f/2.8 ED SDM WR (2015)A6100 (2019)
Price £999 £549
Sensor f/2.8 (constant max aperture) APS-C Exmor CMOS
Resolution — 24.2MP
Video 38cm minimum focus distance 4K 30fps
Autofocus SDM (Supersonic Drive Motor) — fast and quiet 425-point phase-detect, real-time tracking
Stabilisation None (relies on body SR/IBIS) None
Burst Rate N/A 11fps
Battery Life N/A 420 shots (CIPA)
Weight 985g 396g (body only)
Dimensions 92mm diameter × 133mm length 119.9 × 66.9 × 59.4mm
Weather Sealed Yes No
Viewfinder N/A EVF 0.39" 1.44M-dot
Screen N/A 3.0" tilting touchscreen, 921k-dot
Mount Pentax KF-mount Sony E-Mount
Memory Cards N/A SD UHS-I / Memory Stick
Connectivity N/A Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI

Suitability by genre

Genre HD D FA 24-70mm f/2.8 ED SDM WRA6100
Wedding & Events
9.0
—
Landscape
7.0
—
Portrait
7.0
7.0
Street —
7.0
Travel —
8.0
Casual —
9.0
Vlogging & Video —
8.0
Sports & Action —
7.0
⚡ Compare specs side by side HD D FA 24-70mm f/2.8 ED SDM WR prices → A6100 prices →

More comparisons with HD D FA 24-70mm f/2.8 ED SDM WR

Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A1 → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A1 II → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A6400 → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A6600 → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A6700 → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A7C → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A7C II → Compare HD D FA 24-70mm f/2.8 ED SDM WR vs A7CR →

Camera family history

Series Sony A6000 Series — every generation →