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X100Fvs A7S

GearFrame · Updated March 2026

Fujifilm X100F Fujifilm X100F (2017) Starting from £649 new Best for Street, travel & everyday photography View X100F
VS
Sony A7S Sony A7S (2014) Starting from £600 new Best for Astrophotography & Low-Light View A7S

GearScore™ Verdict — Which should you buy?

Street, Travel & Everyday Photography — X100F (2017): The X100F is the camera that made the X100 series legendary — 24MP X-Trans III, a hybrid viewfinder, and the best fixed 35mm compact lens available.

Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.

↓ Full specifications below

X100F (2017)

  • Street photographers who want a discreet, tactile camera with a fixed 35mm lens
  • Travel photographers who prefer one lens and minimal kit
  • Fujifilm fans who want the X100 experience at a lower cost than the X100V or VI
  • Photographers who value the hybrid OVF/EVF for a rangefinder-like shooting style

A7S (2014)

  • Astrophotographers
  • Low-light event videographers
  • Filmmakers needing clean high-ISO footage

Quick take: The x100f has the highest resolution at 24mp; the a7s is the most affordable; only the a7s is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification X100F (2017)A7S (2014)
Price £649 £600
Sensor 24.3MP APS-C X-Trans CMOS III 12.2MP Full-Frame BSI CMOS
Resolution 24.3MP 12.2MP
Video 1080p/60p 1080p/60p internal, 4K via HDMI (external recorder)
Autofocus Intelligent Hybrid AF (phase-detect + contrast-detect), face detection Phase-detect / contrast-detect hybrid AF
Stabilisation None None
Burst Rate 8fps 5fps
Battery Life ~390 shots (CIPA) ~370 shots (CIPA)
Weight 469g (with battery and card) 474g (with battery and card)
Dimensions 126.5 × 74.8 × 52.4mm 126.9 × 94.4 × 48.2mm
Weather Sealed No Yes
Viewfinder Hybrid OVF/EVF — 0.5" EVF (2.36M dots) or OVF (0.5× magnification) Electronic, 2.36M dots, 0.71× magnification
Screen 3.0" fixed LCD, 1.04M dots (no tilt, no touch) 3.0" tilting LCD, 1.23M dots
Mount Fixed Fujinon 23mm f/2 (35mm equiv) Sony FE (full-frame E-mount)
Memory Cards Single SD UHS-I slot Single SD / MemoryStick PRO Duo slot
Connectivity Wi-Fi, Bluetooth Multi/Micro USB, Wi-Fi, NFC
Genre X100FA7S
Street
9.0
7.0
Travel
9.0
7.0
Portrait
9.0
7.0
Landscape
7.0
6.0
Vlogging & Video
4.0
7.5
Wildlife
4.0
Astrophotography
9.5
Sports & Action
5.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side X100F prices → A7S prices →

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