Hasselblad 907X & CFV 100Cvs Pentax K-3 Mark IIIvs A7S III

GearFrame · Updated March 2026

Hasselblad Hasselblad 907X & CFV 100C Hasselblad Hasselblad 907X & CFV 100C (2023) From £8999 Best for Collectors, fine art & V-system users View Hasselblad 907X & CFV 100C
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III
VS
Sony A7S III Sony A7S III (2020) From £2999 Best for Professional video & low-light filmmaking View A7S III

Which should you buy?

Collectors, Fine Art & V-System Users — Hasselblad 907X & CFV 100C (2023): An engineering icon — the 907X + CFV 100C bridges Hasselblad V lenses from 1957 with a 100MP digital back in a form that is unmistakably Hasselblad.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

Professional Video & Low-Light Filmmaking — A7S III (2020): If video is your primary discipline, the A7S III is the camera. 4K/120p at 10-bit in a weather-sealed body with a 9.44M dot EVF is an extraordinary package. The 12MP sensor isn't limiting for video — and it's usable at ISO 409,600 in a pinch.

↓ Full specifications below

Hasselblad 907X & CFV 100C (2023)

  • You already own Hasselblad V-System lenses and want to bring them into the digital age
  • You want a unique camera that produces world-class images and starts conversations
  • You shoot studio or fine art where nothing but the absolute best will do

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

A7S III (2020)

  • Filmmakers and videographers who need 4K/120p at 10-bit
  • Event videographers who shoot in dark venues regularly
  • Documentary filmmakers who need reliable AF and weather sealing
  • Hybrid shooters where video is primary and stills are secondary

Quick take: The hasselblad 907x & cfv 100c has the highest resolution at 100mp; the pentax k-3 mark iii is the most affordable; only the pentax k-3 mark iii, a7s iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Hasselblad 907X & CFV 100C (2023)Pentax K-3 Mark III (2021)A7S III (2020)
Price £8,999 £1,699 £2,999
Sensor 100MP medium-format BSI CMOS (43.8 × 32.9mm) 25.7MP APS-C BSI CMOS (AA-filterless) 12.1MP Full-Frame BSI CMOS (12-bit, back-illuminated)
Resolution 100.0MP 25.7MP 12.1MP
Video None 4K/30p, 1080p/60p 4K/120p 10-bit, 4K/60p 10-bit S-Cinetone/S-Log3, 1080p/240p
Autofocus Manual focus (V-system lenses) / contrast AF (XCD) SAFOX 13 phase-detect, 101-point (25 cross-type) Phase-detect, 759 points, real-time Eye AF (human & animal), subject recognition
Stabilisation None 5.5-stop 5-axis IBIS (Shake Reduction III) 5.5-stop IBIS
Burst Rate 2.7fps 12fps 10fps mechanical
Battery Life 350 shots (CIPA) 800 shots (CIPA) ~600 shots (CIPA) / ~70min continuous 4K recording
Weight 1100g (body + back) 820g body only 699g (body, battery, card)
Dimensions 97.0 × 97.0 × 63.0mm (body only) 134.5 × 103.5 × 73.5mm 128.9 × 96.9 × 80.8mm
Weather Sealed No Yes Yes
Viewfinder External EVF sold separately Optical pentaprism, 100% coverage, 1.05× magnification OLED EVF, 9.44M dots, 0.90× magnification — best EVF Sony has made
Screen 2.36" rear LCD on 907X + 3.0" on CFV 100C 3.2" tilting touchscreen 3.0" vari-angle touchscreen, 1.44M dots
Mount Hasselblad V-mount (+ XCD adapter) Pentax KF-mount Sony E-mount
Memory Cards Single CFexpress Type B + 1TB internal SSD Dual SD UHS-II Dual CFexpress Type A / SD UHS-II (both slots)
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C (USB 3.2 Gen 2), full-size HDMI, Wi-Fi 6, Bluetooth
⚡ Compare specs side by side Hasselblad 907X & CFV 100C prices → Pentax K-3 Mark III prices → A7S III prices →

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