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Sony Alpha 7R III, IIIA Compared to the Sony Alpha 7R II
| Specifications | Sony Alpha 7R III, IIIA | Sony Alpha 7R II |
|---|---|---|
 |
 | |
| Year Introduced | 2017 | 2015 |
| Megapixels | 42.4 | 42.4 |
| Total Pixels | 43.6 | 43.6 |
| Sensor Size | 35.9 x 24.0mm | 35.9 x 24.0mm |
| Pixel Dimensions | 7952 x 5304 | 7952 x 5304 |
| Pixel Size | 4.51µm | 4.50µm |
| Diffraction-Limited Aperture | f/7.3 | f/7.2 |
| Sensor Readout Speed (ms) | ||
| Sensor Stabilization | Y | Y |
| Lens Mount | Sony E-mount | Sony E-mount |
| FOVCF | 1.0x | 1.0x |
| Image Processor | BIONZ X | BIONZ X |
| Autofocus | ||
| Type | Fast Hybrid AF (phase-detection AF/contrast-detection AF) | Fast Hybrid AF (phase-detection AF/contrast-detection AF) |
| Points | 35 mm full frame: 399 points (phase-detection AF), APS-C mode with full frame lens: 323 points (phase-detection AF), with APS-C lens: 255 points (phase-detection AF) / 425 points (contrast-detection AF) | 35 mm full frame: 399 points (phase-detection AF) APS-C: 357 points (phase-detection AF)/25 points (contrast-detection AF) |
| Working Range | EV -3 – 20 (ISO 100 equivalent with F2.0 lens attached) | EV -2 – 20 (ISO 100 equivalent with F2.0 lens attached) |
| Point Selection | Wide (399 points (phase-detection AF), 425 points (contrast-detection AF)) / Zone / Center / Flexible Spot (S/M/L) /Expanded Flexible Spot/ Lock-on AF (Wide / Zone / Center / Flexible Spot (S/M/L)/Expanded Flexible Spot) | Wide (399 points [phase-detection AF], 25 points [contrast-detection AF])/Zone/Center/Flexible Spot (S/M/L/Expand Flexible Spot/Lock-on AF (Wide/Zone/Center/Flexible Spot [S/M/L]/Expand Flexible Spot) |
| Microadjustment | Yes | Yes |
| Touch & Drag AF | Y | |
| Eye Detection AF | ||
| Focus Bracketing/Stacking | ||
| Exposure Control | ||
| Metering Modes | 1200-zone evaluative metering | Multi-segment, Center-weighted, Spot |
| Metering Range | EV -3 – 20 (at ISO100 equivalent with F2.0 lens attached) | EV -3 – 20 (at ISO100 equivalent with F2.0 lens attached) |
| Exposure Comp | +/- 5.0EV(1/3 EV, 1/2 EV steps selectable), (with exposure compensation dial: +/- 3EV (1/3 EV steps)) | +/- 5.0 EV (1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3 EV [1/3 EV or 1/2 EV steps]) |
| AEB | Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. With 3 or 5 frames, in 1/3, 1/2, 2/3, 1.0, 2.0, or 3.0 EV increments, with 9 frames, in 1/3, 1/2, 2/3, or 1.0 EV increments. | Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. With 3 or 5 frames, in 1/3, 1/2, 2/3, 1.0, 2.0, or 3.0 EV increments, with 9 frames, in 1/3, 1/2, 2/3, or 1.0 EV increments. |
| Light Flicker Mode | ||
| Intervalometer | ||
| ISO Sensitivity | Still images: ISO 100-32000 (Expandable to ISO 50 to 102400), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-32000 equivalent, AUTO (ISO 100-12800, selectable lower limit and upper limit) | Still images: ISO 100–25600 (expandable to ISO 50–102400 for shooting still images), AUTO (ISO 100–6400, selectable lower limit and upper limit), Movies: ISO 100–25600 equivalent, AUTO (ISO 100–6400 equivalent, selectable lower limit and upper limit) |
| Shutter Speed | 30 - 1/8000 sec, Bulb | 30 - 1/8000 sec, Bulb |
| Viewfinder | ||
| Type | 0.5" (1.3 cm) electronic, Quad-VGA OLED, 3.69 million dots | 0.5" (1.3 cm) electronic, XGA OLED |
| Coverage | Approx. 100% | Approx. 100% |
| Magnification | Approx. 0.78x | Approx. 0.78x |
| Eyepoint | Approx. 23mm | Approx. 23mm |
| Information | Graphic Display, Display All Info, No Display Info, Digital Level Gauge, Histogram | Graphic Display, Display All Info, No Display Info, Digital Level Gauge, Histogram |
| DOF Preview | Yes (via Setting Effect) | Yes (via Setting Effect) |
| LCD | ||
| Type | 2.95" (7.5cm) TFT, Tilting, 1,440,000 dots Revision A: 2,359,296 dots | 2.95" (7.5cm) TFT, Tilting, approx. 1,228,800 dots |
| Coating | ||
| Brightness Adj | Manual (5 steps between -2 and +2), Sunny Weather mode | Manual (5 steps between -2 and +2), Sunny Weather mode |
| Display Options | Graphic Display, Display All Info., No Disp. Info., Digital Level Gauge, Histogram, For viewfinder, Monitor Off | Graphic Display / Display All Info. / No Disp. Info. / Histogram / Digital Level Gauge / Shooting information for viewfinder mode |
| Flash | ||
| Built-in GN | N/A (ISO 100, meters) | N/A (ISO 100, meters) |
| Built-in Coverage | N/A | N/A |
| Built-in Recycle Time | N/A | N/A |
| Modes | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction (on/off selectable), Wireless, Hi-speed sync. | Off, Auto, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction, Hi-speed sync, Wireless |
| X-Sync | 1/250 s | 1/250 s |
| Exposure Compensation | +/- 3.0 EV (switchable between 1/3 and 1/2 EV steps) | +/- 3EV (switchable between 1/3 and 1/2 EV steps) |
| Hot Shoe/PC Terminal | Yes / Yes | Yes / Yes |
| External Flash Comp | Sony α System Flash | Sony α System Flash |
| Shooting | ||
| Shooting Modes | AUTO (iAuto), Programmed AE (P), Aperture priority (A), Shutter-speed priority (S), Manual (M), Movie (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) ), Slow & Quick Motion (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) ) | Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama |
| Picture Styles | Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night Scene, Autumn leaves, Black & White, Sepia,Style Box(1-6), (Contrast (-3 to +3 steps), Saturation (-3 to +3 steps), Sharpness (-3 to +3 steps)) | Standard/Vivid/Neutral/Clear/Deep/Light/Portrait/ Landscape/Sunset/Night Scene/Autumn leaves/Black & White/Sepia/Style Box |
| Image Processing | Peripheral Shading, Chromatic Aberration, & Distortion Correction Long exposure, High ISO & Multi Frame NR (Noise Reduction) | Peripheral Shading, Chromatic Aberration, & Distortion Correction Long exposure, High ISO & Multi Frame NR (Noise Reduction) |
| Abberration Corrections | ||
| Drive Modes | Single Shooting, Continuous shooting (Hi+/Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single, Bracket: Cont., White Balance bracket, DRO bracket | Single shooting, Continuous shooting, Self-timer, Self-timer (Continuous), Bracketing (Continuous, Single, White Balance, Dynamic Range Optimizer) |
| Continuous Shooting | Max Approx. 10 fps (speed maintained 28 RAW / 76 JPEG) | Max. approx. 5fps up to 23 frames RAW / 24 frames JPEG Extra Fine L |
| Shutter Lag | 20ms | 20ms |
| Viewfinder Blackout | N/A | |
| Live View | ||
| FrameRate | ||
| Focusing | AF-A (Automatic AF), AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus | AF-A (Automatic AF), AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus |
| Metering | Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight | Real-time evaluative metering with image sensor Multi-segment, Center-weighted, Spot |
| Display Options | Graphic Display, Display All Info., No Disp. Info., Digital Level Gauge, Histogram, For viewfinder, Monitor Off | Graphic Display / Display All Info. / No Disp. Info. / Histogram / Digital Level Gauge / Shooting information for viewfinder mode |
| File Information | ||
| Still ImageType | JPEG (DCF Ver. 2.0, Exif Ver.2.31, MPF Baseline compliant), RAW (Sony ARW 2.3 format) | JPEG (DCF Ver. 2.0, Exif Ver.2.3, MPF Baseline compliant), RAW (Sony ARW 2.3 format) (1/2 or 1/3 stop increments), Bulb (Total shutter speed range. Available range varies by shooting mode) |
| Image Size | 3:2 Ratio: L: 7,952 x 5,304 (42M), M: 5,168 x 3,448 (18M), S: 3,984 x 2,656 (11M), APS-C L: 5,168 x 3,448 (18M), M: 3,984 x 2,656 (11M), S: 2,592 x 1,728 (4.5M) 16:9 Ratio: L: 7,952 x 4,472 (36M), M: 5,168 x 2,912 (15M), S: 3,984 x 2,240 (8.9M), APS-C L: 5,168 x 2,912 (15M), M: 3,984 x 2,240 (8.9M), S: 2,592 x 1,456 (3.8M) | 3:2 Ratio: L: 7,952 x 5,304 (42M), M: 5,168 x 3,448 (18M), S: 3,984 x 2,656 (11M), APS-C L: 5,168 x 3,448 (18M), M: 3,984 x 2,656 (11M), S: 2,592 x 1,728 (4.5M) 16:9 Ratio: L: 7,952 x 4,472 (36M), M: 5,168 x 2,912 (15M), S: 3,984 x 2,240 (8.9M), APS-C L: 5,168 x 2,912 (15M), M: 3,984 x 2,240 (8.9M), S: 2,592 x 1,456 (3.8M) Panorama: Wide: Horizontal 12416 x 1856 (23M), vertical 5536 x 2160 (12M), Standard: Horizontal 8192 x 1856 (15M), vertical 3872 x 2160 (8.4M) |
| Movie Type | XAVC S:MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264 | XAVC S:MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264 |
| Movie Size | NTSC: XAVC S 4K: 3840 x 2160 (30p/100 Mbps, 24p/100 Mbps, 30p/60 Mbps, 24p/60 Mbps), XAVC S HD: 1920 x 1080 (120p/100 Mbps, 120p/60 Mpbs, 60p/50 Mbps, 30p/50 Mbps, 24p/50 Mbps, 60p/25 Mbps, 30p/16 Mbps), AVCHD: 1920 x 1080 (60i, 24 M, FX & 60i, 17 M, FH) | NTSC: XAVC S 4K: 3840 x 2160 (30p/100 Mbps, 30p/60 Mbps, 24p/100 Mbps, 24p/60 Mbps), XAVC S HD: 1920 x 1080 (60p/50 Mbps, 30p/50 Mbps, 24p/50 Mbps), 1280 x 720 (120p/50 Mbps), AVCHD: 1920 x 1080 (60p/28 Mbps/PS, 60i/24 Mbps/FX, 60i/17 Mbps/FH, 24p/24 Mbps/FX, 24p/17 Mbps/FH), MP4: 1920 x 1080 (60p/28 Mbps, 30p/16 Mbps), 1280 x 720 (30p/6 Mbps) [comparable PAL settings available] |
| Movie Length | Max duration approx. 29min | Max duration approx. 29min |
| Other Information | ||
| Wireless Features | Built-in Wi-Fi, NFC & Bluetooth | Built-in Wi-Fi and NFC |
| GPS | ||
| Custom Functions | 43 Custom Functions | |
| LCD Panel / Illumination | No / No | No / No |
| Water & Dust Resistance | Yes | Yes |
| Sound Memo | No | No |
| Interface | ||
| Computer Interface | USB Type-C SuperSpeed (USB 3.1 Gen 1) Revision A: SuperSpeed USB 5 Gbps (USB 3.2) | Hi-Speed USB (Micro USB connector) |
| Other Interface | HDMI micro connector (Type-D) out, External Microphone In / Line In (Stereo mini jack), Headphone socket (Stereo mini jack) | HDMI micro out, External Microphone In / Line In (Stereo mini jack), Headphone socket (Stereo mini jack) |
| Memory | ||
| Memory Type | Memory Stick PRO Duo/PRO HG-Duo/Micro M2, SD/SDHC/SDXC | Memory Stick PRO HG-Duo, Memory Stick PRO Duo (High Speed), SD/SDHC/SDXC |
| Batteries & Power | ||
| Battery | Rechargeable NP-FZ100 | Rechargeable Battery Pack NP-FW50 |
| Battery Life | Approx. 530 shots (Viewfinder) / approx. 650 shots (LCD monitor) | Approx. 290 shots (viewfinder)/approx. 340 shots (LCD screen) |
| Power Supply Battery Chargers | AC-UUD12 AC Adapter, BC-QZ1 Battery Charger | AC-UUD11 AC Battery Charging Adapter, BC-VW1 AC Charger |
| Physical Specs | ||
| Body Materials | Magnesium Alloy body covers | Magnesium Alloy body covers |
| Shutter Durability Rating | 500,000 | 500,000 |
| Operating Environment | 32–104°F / 0–40°C | 32–104°F / 0–40°C |
| Dimensions Inches | 5.0 x 3.88 x 3.0" (126.9 x 95.6 x 73.7mm) | 5.0 x 3.8 x 2.4" (126.9 × 95.7 x 60.3mm) |
| CIPA Weight | 23.2 oz (657g) | 22.0 oz (625g) |
| Accessories | ||
| Viewfinder | Eyepiece Cup, FDA-A1AM Angle Finder | |
| Wireless File Transmitter | Built-in | Built in |
| Compatible Lenses | Sony E-Mount | Sony E-Mount |
| Battery Grip | VG-C3EM Buy ► | VGC2EM Buy ► |
| Remote | Sony Remote Control with Multi-terminal cable, Compatible infrared remote | Sony Remote Control with Multi-terminal cable, Compatible infrared remote |
| Other | ||
| Review | Sony Alpha 7R III, IIIA | Sony Alpha 7R II |
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