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Nikon Z 7 Compared to the Sony Alpha 7R III, IIIA
| Specifications | Nikon Z 7 | Sony Alpha 7R III, IIIA |
|---|---|---|
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 | |
| Year Introduced | 2018 | 2017 |
| Megapixels | 45.7 | 42.4 |
| Total Pixels | 46.9 | 43.6 |
| Sensor Size | 35.9 x 23.9mm | 35.9 x 24.0mm |
| Pixel Dimensions | 8256 x 5504 | 7952 x 5304 |
| Pixel Size | 4.35µm | 4.51µm |
| Diffraction-Limited Aperture | f/7.0 | f/7.3 |
| Sensor Readout Speed (ms) | ||
| Sensor Stabilization | Y | Y |
| Lens Mount | Nikon Z | Sony E-mount |
| FOVCF | 1.0x | 1.0x |
| Image Processor | EXPEED 6 | BIONZ X |
| Autofocus | ||
| Type | Hybrid phase-detection/contrast AF with AF assist | Fast Hybrid AF (phase-detection AF/contrast-detection AF) |
| Points | 493 | 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) |
| Working Range | EV-2 to EV+19 (EV-4 to EV+19 with low-light AF) | EV -3 – 20 (ISO 100 equivalent with F2.0 lens attached) |
| Point Selection | Pinpoint, Single-Point, Dynamic-area AF, Wide-area AF (S), Wide-area AF (L), Auto-area AF Pinpoint and Dynamic-area AF available in photo mode only | 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) |
| Microadjustment | Yes | Yes |
| Touch & Drag AF | Y | |
| Eye Detection AF | ||
| Focus Bracketing/Stacking | ||
| Exposure Control | ||
| Metering Modes | Matrix metering, Center-weighted metering: Weight of 75% given to 12 mm circle in center of frame; weighting can instead be based on average of entire frame, Spot metering: Meters 4 mm circle (about 1.5% of frame) centered on selected focus point, Highlight-weighted metering | 1200-zone evaluative metering |
| Metering Range | -3 to +17 EV | EV -3 – 20 (at ISO100 equivalent with F2.0 lens attached) |
| Exposure Comp | -5 to +5 EV in increments of 1/3 or 1/2 EV available in modes P, S, A, and M | +/- 5.0EV(1/3 EV, 1/2 EV steps selectable), (with exposure compensation dial: +/- 3EV (1/3 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. | |
| Light Flicker Mode | ||
| Intervalometer | ||
| ISO Sensitivity | ISO 64 - 25,600 in steps of 1/3 or 1/2 EV, Can also be set to approx. 0.3, 0.5, 0.7, or 1 EV (ISO 32 equivalent) below ISO 64 or to approx. 0.3, 0.5, 0.7, 1, or 2 EV (ISO 102,400 equivalent) above, ISO 25,600; auto ISO sensitivity control available | 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) |
| Shutter Speed | 1/8000 to 30 sec. in steps of 1/3 or 1/2 EV, bulb, time, X200 | 30 - 1/8000 sec, Bulb |
| Viewfinder | ||
| Type | 1.27-cm/0.5-in. approx. 3690k-dot (Quad VGA) OLED | 0.5" (1.3 cm) electronic, Quad-VGA OLED, 3.69 million dots |
| Coverage | Approx. 100% | Approx. 100% |
| Magnification | Approx. 0.80x | Approx. 0.78x |
| Eyepoint | Approx. 21mm | Approx. 23mm |
| Information | Graphic Display, Display All Info, No Display Info, Digital Level Gauge, Histogram | |
| DOF Preview | Yes (via settings or Fn Button) | Yes (via Setting Effect) |
| LCD | ||
| Type | 3.2" (8cm), approx. 2100k-dot tilting TFT touch-sensitive LCD | 2.95" (7.5cm) TFT, Tilting, 1,440,000 dots Revision A: 2,359,296 dots |
| Coating | ||
| Brightness Adj | Adjustable to one of 11 levels | Manual (5 steps between -2 and +2), Sunny Weather mode |
| Display Options | (1) Quick Control Screen (2) Camera settings (3) Electronic Level | Graphic Display, Display All Info., No Disp. Info., Digital Level Gauge, Histogram, For viewfinder, Monitor Off |
| 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 | Front-curtain sync, Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync, Slow rear-curtain sync, Slow sync, Off | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction (on/off selectable), Wireless, Hi-speed sync. |
| X-Sync | 1/200sec | 1/250 s |
| Exposure Compensation | -3 to +1 EV in increments of 1/3 or 1/2 EV available | +/- 3.0 EV (switchable between 1/3 and 1/2 EV steps) |
| Hot Shoe/PC Terminal | Yes / No | Yes / Yes |
| External Flash Comp | Nikon Speedlight | Sony α System Flash |
| Shooting | ||
| Shooting Modes | Auto, Programmed auto with flexible program (P), Shutter-priority auto (S), Aperture-priority auto (A), Manual (M), User settings (U1, U2, U3) | 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) ) |
| Picture Styles | Auto, Flat, Landscape, Monochrome, Neutral, Portrait, Standard, Vivid, Creative Picture Controls | 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)) |
| Image Processing | Distortion Control D-Lighting Image Overlay NEF (raw) Processing Perspective Control Red-eye Reduction Resize Side by Side Comparison Straighten Trim Trim Movie | Peripheral Shading, Chromatic Aberration, & Distortion Correction Long exposure, High ISO & Multi Frame NR (Noise Reduction) |
| Abberration Corrections | ||
| Drive Modes | Single frame, Low-speed continuous, High-speed continuous, High-speed continuous (extended), Self-timer | Single Shooting, Continuous shooting (Hi+/Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single, Bracket: Cont., White Balance bracket, DRO bracket |
| Continuous Shooting | Max approx. 5.5 fps with AF (9 fps with AE fixed) | Max Approx. 10 fps (speed maintained 28 RAW / 76 JPEG) |
| Shutter Lag | 20ms | |
| Viewfinder Blackout | ||
| Live View | ||
| FrameRate | ||
| Focusing | Autofocus (AF): Single-servo AF (AF-S); continuous-servo AF (AF-C); full-time AF (AF-F; available only in movie mode); predictive focus tracking Manual focus (M): Electronic rangefinder can be used | AF-A (Automatic AF), AF-S (Single-shot AF), AF-C ( Continuous AF), DMF (Direct Manual Focus), Manual Focus |
| Metering | Matrix metering, Center-weighted metering: Weight of 75% given to 12 mm circle in center of frame; weighting can instead be based on average of entire frame, Spot metering: Meters 4 mm circle (about 1.5% of frame) centered on selected focus point, Highlight-weighted metering | Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight |
| Display Options | Graphic Display, Display All Info., No Disp. Info., Digital Level Gauge, Histogram, For viewfinder, Monitor Off | |
| File Information | ||
| Still ImageType | Compliant with DCF (Design Rule for Camera File System) 2.0 EXIF 2.31 (Exchangeable Image File Format for Digital Still Cameras) | JPEG (DCF Ver. 2.0, Exif Ver.2.31, MPF Baseline compliant), RAW (Sony ARW 2.3 format) |
| Image Size | FX-format: (L) 8,256 x 5,504, (M) 6,192 x 4,128, (S) 4,128 x 2,752 DX-format: (L) 5,408 x 3,600, (M) 4,048 x 2,696, (S) 2,704 x 1,800 5:4 (30 x 24): (L) 6,880 x 5,504, (M) 5,152 x 4,120, (S) 3,440 x 2,752 1:1 (24 x 24): (L) 5,504 x 5,504, (M) 4,128 x 4,128, (S) 2,752 x 2,752 16:9 (24 x 24): (L) 8,256 x 4,640, (M) 6,192 x 3,480, (S) 4,128 x 2,320 Photographs taken during movie recording at a frame size of 4K: 3,840 x 2,160 Photographs taken during movie recording at FHD: 1,920 x 1,080 | 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) |
| Movie Type | MOV/MP4, H.264/MPEG-4 Advanced Video Coding, Linear PCM AAC Stereo Audio | XAVC S:MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264, MP4: MPEG-4 AVC/H.264 |
| Movie Size | 4K UHD 3,840 x 2,160 - 30/25/24 fps Full HD 1,920 x 1,080 - 120/100/60/50/30/25/24 fps Slow-motion: Full HD 1,920 x 1,080 30p x 4/25p x 4/24p x 5 Actual frame rates for 60p, 50p, 30p, 25p, and 24p are 59.94, 50, 29.97, 25, and 23.976 fps respectively Quality selection available at all sizes except 3,840 x 2,160, 1,920 x 1,080 120p/100p, and 1,920 x 1,080 slow-mo, when quality is fixed at high | 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) |
| Movie Length | 29 minutes 59 seconds Each movie will be recorded across up to 8 files of up to 4 GB each. | Max duration approx. 29min |
| Other Information | ||
| Wireless Features | Built-in Wi-Fi, Low-energy Bluetooth and NFC | Built-in Wi-Fi, NFC & Bluetooth |
| GPS | Via the SnapBridge app | |
| Custom Functions | 38 Custom Settings | |
| LCD Panel / Illumination | Yes / Yes | No / No |
| Water & Dust Resistance | Yes | Yes |
| Sound Memo | No | No |
| Interface | ||
| Computer Interface | SuperSpeed USB (USB 3.0 Type-C connector) | USB Type-C SuperSpeed (USB 3.1 Gen 1) Revision A: SuperSpeed USB 5 Gbps (USB 3.2) |
| Other Interface | Audio input: Stereo mini-pin jack (3.5 mm diameter; plug-in power supported) HDMI output: Type C mini-pin HDMI connector Headphone Connector (3.5mm diameter) Ten-pin remote terminal: Can be used with MC-DC2 and other optional accessories | HDMI micro connector (Type-D) out, External Microphone In / Line In (Stereo mini jack), Headphone socket (Stereo mini jack) |
| Memory | ||
| Memory Type | XQD memory card | Memory Stick PRO Duo/PRO HG-Duo/Micro M2, SD/SDHC/SDXC |
| Batteries & Power | ||
| Battery | EN-EL15b Rechargeable Li-ion Battery | Rechargeable NP-FZ100 |
| Battery Life | Approx. 330 shots | Approx. 530 shots (Viewfinder) / approx. 650 shots (LCD monitor) |
| Power Supply Battery Chargers | EH-7P Charging AC Adapter EH-5c/EH-5b AC adapter (requires EP-5B power connector, available separately) | AC-UUD12 AC Adapter, BC-QZ1 Battery Charger |
| Physical Specs | ||
| Body Materials | Magnesium Alloy body covers | |
| Shutter Durability Rating | 200,000 | 500,000 |
| Operating Environment | 0–40 °C (32–104 °F), less than 85% humidity | 32–104°F / 0–40°C |
| Dimensions Inches | 5.3 x 4.0 x 2.7" (134.0 x 100.5 x 67.5mm) | 5.0 x 3.88 x 3.0" (126.9 x 95.6 x 73.7mm) |
| CIPA Weight | 20.7 oz (585 g) | 23.2 oz (657g) |
| Accessories | ||
| Viewfinder | ||
| Wireless File Transmitter | Built-in | Built-in |
| Compatible Lenses | Z mount NIKKOR lenses, F mount NIKKOR lenses with mount adapter; restrictions may apply | Sony E-Mount |
| Battery Grip | VG-C3EM Buy ► | |
| Remote | MC-DC2 | Sony Remote Control with Multi-terminal cable, Compatible infrared remote |
| Other | ||
| Review | Nikon Z 7 | Sony Alpha 7R III, IIIA |
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Recommended Retailers
- B&H Photo(strongly recommended)
- Adorama
- Amazon.com
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