Sony Alpha 1 II vs Sony Alpha DSLR-A850
Better figure, where one is clearly better
| SonyAlpha 1 II | SonyAlpha DSLR-A850 | |
|---|---|---|
| Overview | ||
| Released | December 2024 | September 2009 |
| Image and sensor | ||
| Camera type | Mirrorless | DSLR |
| Sensor format | Full frame | Full frame |
| Sensor type | Stacked Exmor RS CMOS with integral memory | Exmor CMOS |
| Sensor dimensions | 35.9 × 24 mm | 35.9 × 24 mm |
| Effective resolution | 50.1 MP | 24.6 MP |
| Largest image | 8640 × 5760 | 6048 × 4032 |
| RAW recording | Yes | Yes |
| Standard ISO range | 100–32000 | 200–3200 |
| Sensor detail | Approximately 50.5 million total pixels; Pixel Shift Multi Shooting uses four or 16 exposures combined in compatible computer software. | Approximately 25.7 million total photosites; anti-static coating on low-pass filter and sensor-shift dust removal |
| Image formats | JPEG, HEIF and Sony ARW 5.0 RAW. | JPEG, RAW, compressed cRAW and RAW/cRAW+JPEG; Sony ARW 2.1; sRGB and Adobe RGB |
| ISO detail | Standard ISO 100–32000 for stills and movies; stills expand to ISO 50–102400. | Standard ISO 200–3200 in 1/3 EV steps; expanded ISO 100–6400 |
| Image processor | BIONZ XR and dedicated AI processing unit. | BIONZ |
| Lens and shooting | ||
| Lens mount | Sony E-mount | Sony A |
| Stabilisation | Sensor shift | Sensor shift |
| Maximum continuous burst | 30 fps | 3 fps |
| Lens detail | – | Sony A-mount; Sony Alpha and Minolta/Konica Minolta AF lenses. DT APS-C lenses are not recommended for full-frame shooting because their image circle may affect metering |
| Autofocus | Up to 759 phase-detection points for stills and movies; sensitivity EV −4 to 20 in AF-S with an F2 lens at ISO 100. Automatic or selected recognition of people, animals, birds, insects, cars, trains and aircraft. Sony's current feature page specifies Real-time Recognition AF+ from firmware version 4.00; launch reviews describe earlier firmware. | TTL phase detection with nine selectable points, a central dual-cross sensor and ten assist points; EV 0–18 at ISO 100; AF-S, AF-A, AF-C, direct manual focus and manual focus; micro-adjustment for up to 30 lenses |
| Shutter | – | Electronically controlled vertical-traverse focal-plane shutter; 30 seconds to 1/8000 second and Bulb; sync 1/250 second with stabilisation off or 1/200 second with stabilisation on |
| Burst detail | Up to 30 fps electronic Hi+ with AF/AE tracking under compatible-lens and maker conditions; uncompressed or lossless-compressed RAW up to 20 fps; mechanical Hi+ up to 10 fps. Pre-Capture retains up to one second before full shutter press, subject to camera temperature and shooting conditions. A custom button can temporarily change burst speed. | Full-resolution continuous shooting up to approximately 3 fps; Sony claims 34 Extra Fine JPEGs, 16 RAW or 18 compressed RAW per burst; card and settings affect results |
| Stabilisation detail | Five-axis sensor shift; centre 8.5 stops and periphery 7.0 stops under CIPA 2024 pitch/yaw/roll conditions with FE 50mm F1.2 GM and long-exposure noise reduction off. Active and Dynamic Active movie modes narrow the field of view and are unavailable in 8K or at frame rates of 120 fps or higher. | Sensor-shift SteadyShot INSIDE; maker claims approximately 2.5–4 shutter-speed steps depending on lens and shooting conditions |
| Flash | – | No built-in flash; Sony Alpha system accessory shoe and separate flash sync terminal; ADI and pre-flash TTL control |
| Exposure controls | – | P/A/S/M and Auto; 40-segment honeycomb SPC metering; ±3 EV in 0.3/0.5 EV steps; Dynamic Range Optimizer and exposure bracketing; mirror lock-up |
| Video | ||
| Highest video resolution | 7680 × 4320 at 30 fps | – |
| Video detail | Sony's current feature page lists internal 7680 × 4320 30p XAVC HS with 8.6K oversampling and 10-bit 4:2:2 support. Lower-resolution 4K up to 120p has approximately 10% crop; Full HD 240 fps is lower resolution. S-Log3, S-Cinetone and imported LUTs supported; external HDMI RAW is separate from internal recording. | No movie recording (PhotographyBlog); Sony specifies no live view; HDMI supplies still-image playback rather than recorded Full HD movies |
| Screen and viewfinder | ||
| Viewfinder | Electronic | Optical |
| Screen size | 3.2″ | 3″ |
| Screen dots | 2,095,104 | 921,600 |
| Touchscreen | Yes | – |
| Tilting screen | Yes | No |
| Display detail | Four-axis TFT LCD opens approximately 98° up, 40° down and 180° sideways, with 270° rotation when opened sideways. | Fixed Xtra Fine LCD; dots count colour subpixels; separate top status LCD |
| Viewfinder detail | 0.64-inch Quad-XGA OLED with 9437184 dots and approximately 0.90× magnification with a 50 mm lens at infinity. Selectable 60/120/240 fps; standard magnification is unavailable at 240 fps. | Eye-level pentaprism, approximately 98% coverage and 0.74× magnification with a 50 mm lens at infinity; supplied G screen, optional interchangeable L grid and M focusing screens |
| Connections and design | ||
| Wi-Fi | Yes | – |
| Bluetooth | Yes | – |
| Battery life (maker's claim) | 520 photographs | 880 photographs |
| Body weight | 658 g (better) | 850 g |
| Release detail | Sony UK specifies availability in December 2024; no release day inferred. Exact technical figures use Sony Japan because the UK specification URLs were inaccessible during research. | Sony Hong Kong's original announcement specifies September 2009 retail availability for the body; month precision retained |
| Recording media | Both slots accept CFexpress 2.0 Type A or UHS-I/UHS-II SD. | Separate Memory Stick Duo/PRO Duo/PRO-HG Duo and CompactFlash Type I/II slots; UDMA Mode 5 and Microdrive support |
| Ports | USB Type-C at 10 Gbps, Multi/Micro USB, full-size HDMI, 2.5GBASE-T Ethernet, sync terminal, 3.5 mm microphone and headphone sockets and digital-audio Multi Interface Shoe. | USB 2.0 Hi-Speed and Mini HDMI; flash-sync terminal; PhotographyBlog also documents the wired remote-release terminal |
| Wireless connections | Wi-Fi IEEE 802.11a/b/g/n/ac at 2.4/5 GHz and Bluetooth 5.0. | – |
| Battery life detail | NP-FZ100; Sony Japan CIPA approximately 520 photographs with LCD or 420 with viewfinder. PhotographyBlog's 530/400 figures are not used. USB Type-C Power Delivery charging and power supported. | NP-FM500H; maker CIPA claim approximately 880 photographs; optional AC-PW10AM adapter or AC-VQ900AM adapter/charger |
| Dimensions | Approximately 136.1 × 96.9 × 82.9 mm (width × height × maximum depth); grip-to-monitor depth 72.8 mm. | Approximately 156.3 × 116.9 × 81.9 mm (width × height × depth, excluding protrusions) |
| Weight detail | Approximately 658 g body only or 743 g with battery and memory card, excluding lens. PhotographyBlog's inconsistent 617 g figure is not used. | Approximately 850 g without battery, memory card or accessories |
| In the box | One NP-FZ100 battery, BC-ZD1 dual-battery charger, cable protector, shoulder strap, body cap, accessory shoe cap and FDA-EP19/FDA-EP21 eyepiece cups, according to Sony Japan. USB Power Delivery AC adaptor and USB cable are not included. | – |
More comparisons
- Sony Alpha 1 II vs Sony Alpha 7R VI
- Sony Alpha 7R VI vs Sony Alpha DSLR-A850
- Sony Alpha 7 V vs Sony Alpha DSLR-A850
- Sony Alpha 1 II vs Sony Alpha 7 V
- Nikon Z 9 vs Sony Alpha 1 II
- Canon EOS R1 vs Sony Alpha 1 II
- Sony Alpha 1 vs Sony Alpha 1 II
- Sony Alpha 1 II vs Sony Alpha 9 III
- Canon EOS R5 Mark II vs Sony Alpha 1 II
- Nikon Z6III vs Sony Alpha 1 II
- Sony Alpha 1 II vs Sony Alpha 7C II
- Sony Alpha 1 II vs Sony Alpha 7CR
- Sony Alpha 1 II vs Sony Alpha 6700
- Sony Alpha 1 II vs Sony Alpha 7R V
- Sony Alpha 1 II vs Sony Alpha 7 IV
- Sony Alpha 1 II vs Sony Alpha 7R III (ILCE-7RM3A)