Head to head · specs cited · drawn to scale

Sony A7 II vs Sony A7 III

Every spec below is quoted from the makers' official pages — where a figure isn't published we say so rather than guess. Sizes are drawn at true relative scale from published dimensions, and the bag-fit row is computed against our measured bag catalog.

The 3 biggest published differences

Sony A7 II A7 II Sony E
Sony A7 III A7 III Sony E
Overview
Type MirrorlessMirrorless
Format 35 mm full frame (35.8 x 23.9mm)full frame
Lens mount Sony ESony E
Released —, not published—, not published
Sensor & Image
Sensor type Exmor CMOS sensor35 mm full frame (35.6 × 23.8 mm), Exmor R® CMOS sensor
Sensor size 35 mm full frame (35.8 x 23.9mm)full frame
Resolution (MP) 24.324.2
In-body stabilisation 4.5 steps (based on CIPA standard. Pitch/yaw shake only. With Sonnar T* FE 55mm F1.8 ZA lens mounted. Long exposure NR off.)5.0 stops
ISO range ISO 50-25600ISO 100-51200 (stills)
Autofocus & Speed
AF system Fast Hybrid AF (phase-detection AF/contrast-detection AF); 35mm full frame: 117 points (phase-detection) / 25 points (contrast-detection)693-point phase-detection AF (35 mm full frame); Fast Hybrid AF (phase-detection AF/contrast-detection AF)
Subject detection Face Detection (On/On (Regist. Faces)/Off); Lock-on AFHuman eye (Eye AF)
Burst — mechanical 5 fps (in High Continuous Shooting)10 fps (Hi+)
Burst — electronic —, not published—, not published
Video
Max video AVCHD 2.0 / MP4 / XAVC S (up to 1920 x 1080/60p 50Mbps)4K 30p (3840 x 2160, XAVC S, 100 Mbps)
Codecs / sampling XAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264XAVC S, AVCHD (MPEG-4 AVC/H.264)
Recording limit —, not publishedApprox. 29 minutes (continuous movie recording limit)
Viewfinder & Screen
EVF resolution 2 359 296 dots (0.5"-type electronic viewfinder (color))2,359,296 dots
EVF magnification Approx. 0.71 x (with 50mm lens at infinity, -1m)approx. 0.78x
Rear screen 3.0" type TFT LCD, 1,228,800 dots2.95 inch (3.0-type) wide type TFT, 921,600 dots, tilt up approx. 107 degrees / down approx. 41 degrees, touch panel
Body & Handling
Dimensions (W×H×D) 126.9 × 95.7 × 59.7 mm126.9 × 95.6 × 73.7 mm
Weight (body) 599 g650 g
Weather sealing —, not publishedAnti-Dust System: Charge protection coating on optical filter and image sensor shift mechanism
Shutter durability —, not published—, not published
Power & Storage
Battery life (CIPA) Up to 350 shotsApprox. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor) (CIPA standard)
Battery NP-FW50NP-FZ100
Card slots Single slot (Memory Stick PRO Duo / SD, SDHC, SDXC UHS-I compliant)2 slots: SLOT1 SD (UHS-I/II compliant); SLOT2 Multi slot for Memory Stick Duo/SD (UHS-I compliant)
Connectivity
USB Multi/Micro USB TerminalUSB Type-C Terminal (SuperSpeed USB (USB 3.1 Gen 1) compatible); Multi/Micro USB Terminal
Wireless Wi-Fi; NFC One-touch functionality (no Bluetooth published)Wi-Fi Compatible, IEEE 802.11b/g/n (2.4 GHz band); Bluetooth Standard Ver. 4.1 (2.4 GHz band)
HDMI HDMI micro connector (Type-D)HDMI micro connector (Type-D)
Price
Launch price —, not published$1,999.99 (body only, USD; listed as "Original Price" on electronics.sony.com product page)
Size, to scale
A7 II126.9×95.7×59.7A7 III126.9×95.6×73.7

Front view, drawn at the same scale from each maker's published W×H (mm).

Smallest bag that fits
Body + standard zoom Think Tank Mirrorless Mover 25 V2 Fits
with 24-105 f/4 · View at B&H Photo Video
Think Tank Mirrorless Mover 25 V2 Fits
with 24-105 f/4 · View at B&H Photo Video

Sources

official · A7 II specifications: Sony (official specifications page) · accessed 2026-07-10
“Sensor 35 mm full frame (35.8 x 23.9mm) Exmor CMOS sensor ... Number Of Pixels (Effective) 24.3MP ... Focus Point 35mm full frame: 117 points (phase-detection AF) ... ISO Sensitivity ISO 50-25600 ... Continuous Drive Speed (approx. max.) 5 fps (in High Continuous Shooting) ... Number of Dots 2 359 296 dots ... Supplied Battery NP-FW50 W-series Rechargeable Battery Pack”
official · A7 III specifications: Sony (official specifications page) · accessed 2026-07-10
“Compensation Effect 5.0 stops (based on CIPA standard. Pitch/yaw shake only. With Planar T* FE 50mm F1.4 ZA lens mounted. Long exposure NR off.) TYPE Image Sensor-Shift mechanism with 5-axis compensation (compensation depends on lens specifications)”

Spec values are the manufacturers' published figures, compared factually — we don't rank cameras. Fit verdicts are planning estimates from published interior dimensions, not guarantees. See methodology.

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