Decision tools · Compare

A1 vs A99 II

Quick take: The A1 has the highest resolution at 50MP; the A99 II is the most affordable; only the A1 is weather sealed.

16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

A1 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

Who should buy what
A1 (2021)
is the right camera for you if…
  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything
Full specificationsthe better value in each row is highlighted
Specification A1Sony · 2021A99 IISony · 2016
Price £4,199£749 usedBest
Sensor 50.1MP Full-Frame Stacked BSI CMOS Exmor RS42.4MP full-frame sensor
Resolution 50.1MPBest42.4MP
Video 8K/30p, 4K/120p, 1080p/240p4K/30p full-pixel readout, 1080p/120, S-Log2 / S-Log3
Autofocus Real-time Tracking, AI subject recognition — 759 phase-detect points79-point Hybrid Cross phase-detect AF (dedicated sensor + 399-point on-sensor), Eye AF
Stabilisation IBIS — up to 5.5 stops4.5-stop 5-axis sensor-shift
Burst Rate 30fps electronic with full AF/AEBest12fps with AF/AE tracking
Battery Life ~430 shots (CIPA)~490 shots (CIPA)Best
Weight 737g (with battery and card)Best849g (with battery and card)
Dimensions 128.9 × 96.9 × 80.8mm142.6 × 104.2 × 76.1mm
Weather Sealed YesBestNot weather sealed
Viewfinder EVF, 9.44M dots, 0.90× magnification, 240fpsOLED EVF, 2.36M dots, 0.78x
Screen 3.0" fully tilting touchscreen3.0" three-way tilting / swivel LCD, 1.23M dots
Mount Sony FE mount (full-frame E-mount)Sony A-mount
Memory Cards Dual CFexpress Type A / SD UHS-IIDual slots: SD / Memory Stick + SD
Connectivity USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMIMulti / micro USB, micro HDMI, 3.5mm mic + headphone, Multi Interface Shoe, Wi-Fi, NFC

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
A1
A99 II
Portrait
8.2/10
6.6/10
Street
6.1/10
5.2/10
Travel
5.9/10
4.6/10
Wedding & Events
7.9/10
6.2/10
Filmmaking
7.8/10
5.9/10
Documentary
7.6/10
5.0/10
Sports & Action
8.8/10
5.9/10
Landscape
7.6/10
5.8/10
Wildlife
8.7/10
5.7/10
Casual
4.8/10
3.5/10
Food
7.4/10
6.0/10
Macro
7.3/10
4.7/10
Architecture
7.9/10
6.2/10
Astrophotography
6.8/10
5.2/10
Vlogging & Video
—
4.3/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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