| Prices: |
Compare Prices
|
Compare Prices
|
| Manufacturer URL: |
Manufacturer website
|
Manufacturer website
|
| Predecessor: |
Panasonic GF7
GF7 vs GX850
|
Sony A7R III
A7R III vs A7R IV
|
| Successor: |
|
Sony A7R V
|
| Model Number: |
GX850 |
A7R IV |
| Alternate Model Number(s): |
GX800, GF9 |
ILCE-7RM4 |
| Camera Format: |
Compact System Camera |
Compact System Camera |
| Currently Manufactured: |
Yes |
Yes |
| Retail Price: |
$549.99 |
$3500.00 |
| Street Price: |
$547.99 |
$3,217.46 |
| Date Available: |
2017-02-01 |
2019-09-01 |
| Tripod Mount: |
Yes |
Yes |
| Weight: |
11.9 oz
(336 g)
includes batteries, kit lens
|
23.5 oz
(665 g)
includes batteries
|
| Size: |
4.2 x
2.5 x
1.3 in.
(107 x
65 x
33 mm)
|
5.1 x
3.8 x
3.1 in.
(129 x
96 x
78 mm)
|
| Waterproof: |
No |
No |
| Waterproof Depth: |
n/a |
n/a |
|
|
| Sensor Type: |
Live MOS |
CMOS |
| Sensor Manufacturer: |
Panasonic |
Sony |
| Effective Megapixels: |
16.0 |
61.0 |
| Sensor Format: |
4/3 |
35mm |
| Sensor size: |
224.9mm2 (17.30mm x 13.00mm) |
849.66mm2 (35.70mm x 23.80mm) |
| Approximate Pixel Pitch: |
3.77 microns |
3.76 microns |
| Focal Length Multiplier: |
2.0x |
1.0x |
| Aspect Ratio: |
4:3 |
3:2 |
| Color Filter Type: |
RGBG |
RGBG |
| Anti Aliasing Filter: |
None |
None |
| Self-Cleaning: |
Yes |
Yes |
| Sensor shift image stabilization: |
No |
Yes |
| On-Sensor Phase Detect: |
No |
Yes |
| DxO Sensor Score: |
73 |
99 |
| DxO Color Depth Score (bits): |
23.2 |
26.0 |
| DxO Dynamic Range Score (evs): |
13.3 |
14.8 |
| DxO Maximum Effective ISO Score (iso): |
586 |
3,344 |
| Image Resolution: |
4592 x 3448
(15.8 MP,
4:3),
4592 x 3064
(14.1 MP,
3:2),
4592 x 2584
(11.9 MP,
16:9),
3424 x 3424
(11.7 MP,
1:1),
3232 x 2424
(7.8 MP,
4:3),
3232 x 2160
(7.0 MP,
3:2),
3232 x 1824
(5.9 MP,
Other),
2416 x 2416
(5.8 MP,
1:1),
2272 x 1704
(3.9 MP,
4:3),
2272 x 1520
(3.5 MP,
Other),
1920 x 1080
(2.1 MP,
16:9),
1712 x 1712
(2.9 MP,
1:1),
1824 x 1368
(2.5 MP,
4:3),
1824 x 1216
(2.2 MP,
3:2),
1824 x 1024
(1.9 MP,
16:9),
1712 x 1712
(2.9 MP,
1:1) |
9504 x 6336
(60.2 MP,
3:2),
6240 x 4160
(26.0 MP,
3:2),
4752 x 3168
(15.1 MP,
3:2),
8448 x 6336
(53.5 MP,
4:3),
5552 x 4160
(23.1 MP,
4:3),
4224 x 3168
(13.4 MP,
4:3),
9504 x 5344
(50.8 MP,
16:9),
6240 x 3512
(21.9 MP,
16:9),
4752 x 2672
(12.7 MP,
16:9),
6336 x 6336
(40.1 MP,
1:1),
4160 x 4160
(17.3 MP,
1:1),
3168 x 3168
(10.0 MP,
1:1) |
| Image File Format: |
JPEG (EXIF 2.3), MPO, RAW (RW2), RAW+JPEG |
JPEG (Exif 2.31), RAW (14-bit ARW 2.3), RAW+JPEG |
| Continuous-mode frames/second: |
9.4 |
10.0 |
| Can take movies: |
Yes |
Yes |
| Movie Resolution: |
3840x2160 (30p/24p)
1920x1080 (60p/60i/30p/24p)
1280x720 (30p)
|
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/60i/50p/50i/30p/25p/24p)
|
| Movie File Format: |
AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) |
XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo |
| Composite Video Out: |
No |
No |
| NTSC/PAL Switchable Video: |
n/a |
n/a |
| Video Usable as Viewfinder: |
n/a |
n/a |
| HD Video Out: |
Yes |
Yes |
| HD Video Connection: |
HDMI |
HDMI |
|
|
| Lens Mount: |
Micro Four Thirds |
Sony E |
| Lens: |
Panasonic LUMIX G VARIO 12-32mm f/3.5-5.6 ASPH. MEGA O.I.S. (H-FS12032); 8 elements in 7 groups (3 aspherical lenses, 1 ED) |
n/a |
| Focal Length (35mm equivalent): |
24 -
64mm
|
|
| Focal Length (actual): |
12 -
32mm
|
|
| Zoom Ratio: |
2.67x |
|
| Aperture Range: |
f/3.5 (wide) / f/5.6 (tele) - f/22; 7 diaphragm blades (circular) |
|
| Integrated ND Filter: |
No |
|
| Normal Focus Range: |
20 cm to Infinity
7.9 in to Infinity
|
|
| Macro Focus Range: |
|
|
| Filter Thread: |
37.0mm |
n/a |
| Thread Type: |
n/a |
n/a |
| Optical Image Stabilization: |
Yes |
No |
| Digital Zoom: |
Yes |
Yes |
| Digital Zoom Values: |
2x, 4x |
Up to 4x; up to 2x Clear Image Digital Zoom |
| Auto Focus: |
Yes |
Yes |
| Auto Focus Type: |
Contrast Detection: Face detection, AF Tracking, 49-area-focusing, Custom Multi, 1-area-focusing, Pinpoint; Quick AF, Continuous AF, AF+MF, MF Assist, Touch AF/AE Function, Touch MF Assist, Touch Shutter |
Fast Hybrid 4D AF: 567 points (PDAF), APS-C mode with full-frame lens: 325 points (PDAF), with APS-C lens: 247 points (PDAF) / 425 points (contrast-detection AF); Wide (567 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF |
| Auto Focus Assist Light? |
Yes |
Yes |
| Manual Focus: |
Yes |
Yes |
| Viewfinder: |
No / LCD
|
EVF / LCD
|
| Viewfinder Type: |
|
EVF: 1.3 cm (0.5 type) 5.76M-dot UXGA color OLED, 100% coverage, 0.78x magnification, -4.0 to +3.0m-1 diopter, Approx. 23mm eyepoint from the eyepiece lens, 18.5mm from the eyepiece frame at -1m-1, eye sensor |
| Focus Peaking: |
Yes |
Yes |
| EVF Resolution: |
n/a
|
5,760,000 dots (1,920,000 pixels)
|
| Viewfinder Magnification (35mm equivalent): |
|
0.78x |
| Viewfinder Magnification (nominal/claimed): |
|
0.78x |
| Eye-level Viewfinder: |
No |
Yes |
| Rear Display: |
Yes |
Yes |
| Rear Display Size (inches): |
3.0 |
3.0 |
| Rear Display Resolution: |
1,040,000 dots
(347,000 px)
|
1,440,000 dots
(360,000 px)
|
| Touchscreen: |
Yes |
Yes |
| Articulating Screen: |
Yes |
Yes |
| Tilt Swivel Screen: |
No |
No |
| Selfie Screen: |
Yes |
No |
| Max Playback Zoom: |
16.0x |
|
| Top Deck Display: |
No |
No |
|
|
| Maximum ISO (native): |
25600 |
32000 |
| Minimum ISO (native): |
200 |
100 |
| ISO Settings: |
Auto, Intelligent ISO, 100 (extended), 200 - 25600; in 1 or 1/3 EV steps |
AUTO (ISO 100-12800; selectable lower limit and upper limit), ISO 100 - 32000, expandable to ISO 50 - 102400 |
| Auto ISO Mode: |
Yes |
Yes |
| White Balance Settings: |
Auto, Daylight, Cloudy, Shade, Incandescent, Flash, White Set 1/2/3/4, Color Temperature Setting (2,500-10,000K in 100K steps) |
Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater |
| Shutter Speed Range: |
1/16000 - 60 sec |
1/8000 - 30 sec |
| Bulb Mode: |
Yes |
Yes |
| Exposure Compensation: |
+/- 5.0EV
in 0.3EV steps
|
+/- 5.0EV
in 0.3EV steps
|
| Metering Modes: |
1728-zone Intelligent Multiple, Center-weighted, Spot |
1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight |
| Program Auto Exposure: |
Yes |
Yes |
| Aperture Priority: |
Yes |
Yes |
| Shutter Priority: |
Yes |
Yes |
| Full Manual Exposure: |
Yes |
Yes |
| Creative Exposure Modes: |
Scene: Portrait, Child, Silky Skin, Backlit Softness, Relaxing Tone, Distinct Scenery, Bright Blue Sky, Romantic Sunset Glow, Vivid Sunset Glow, Glistening Water, Clear Nightscape, Cool, Night Sky, Warm Glowing Nightscape, Artistic Nightscape, Glittering Illuminations, Handheld Night Shot, Clear Night Portrait, Soft Image of a Flower, Appetizing Food, Cute Dessert, Freeze Animal Motion, Clear Sports Shot, Monochrome; Creative Control: Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Color, Sunshine; Panorama (Standard / Wide / Self Shot Mode) |
3 Custom Settings; Slow & Quick Motion; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) |
| Self Timer: |
2, 10, 3 shots in 10 seconds |
2, 5, 10; 3/5 shots after 2/5/10 seconds |
| Time Lapse (intervalometer): |
Yes |
Yes |
| High Resolution Composite: |
No |
240.8 megapixels |
| Built-in Flash: |
Yes |
No |
| Flash Modes: |
Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off; 1st. Curtain Sync, 2nd Curtain Sync |
Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off |
| Flash Guide Number (ISO 100): |
4.0 m /
13.1 ft.
|
n/a |
| Flash Range Description: |
GN=5.6m (18.3 feet) at ISO 200 / 4.0m (13.1 feet) at ISO 100 |
n/a |
| Max Flash Sync: |
1/50 |
1/250 |
| Flash Exposure Compensation: |
+/- 2.0 EV
in 0.3EV steps
|
+/- 3.0 EV
in 0.3EV steps
|
| External Flash Connection: |
n/a |
Enhanced Multi Interface Hot Shoe, Sync Terminal |
| Built-In Wireless Flash Control: |
No |
No |
| Usable Memory Types: |
microSD / microSDHC / microSDXC |
SD / SDHC / SDXC |
| UHS Support: |
UHS-I |
UHS-II |
| Other Memory: |
|
Dual SD UHS-II slots |
| Dual Card Slots: |
No |
Yes |
| RAW Capture Support: |
Yes |
Yes |
| Uncompressed Format: |
RAW (RW2), RAW+JPEG |
RAW (14-bit ARW 2.3), RAW+JPEG |
| Movie File Format: |
AVCHD (Audio format: Dolby Digital 2ch) / MP4 (Audio format AAC 2ch) |
XAVC S / AVCHD 2.0 / MP4; Audio: LPCM / Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo |
| Included Memory: |
No memory included |
No memory included |
| Included Memory Type: |
|
|
| Built-In Wi-Fi: |
Yes |
Yes |
| NFC: |
No |
Yes |
| Bluetooth: |
No |
Yes |
| Built-In GPS: |
No |
No |
| Microphone Jack: |
No |
Yes |
| Headphone Jack: |
No |
Yes |
| External Connections: |
USB 2.0 High Speed,WiFi |
USB 2.0 High Speed,USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: |
Yes |
No |
| DPOF Compliant: |
Yes |
Yes |
| Remote Control: |
Yes |
Yes |
| Remote Control Type: |
Via Wi-Fi |
Optional via RM-VPR1, USB, Wi-Fi or Bluetooth |
| Connections (extended): |
Micro HDMI (Type-D), Micro-B USB 2.0 |
USB-C (USB 3.1 Gen 1), Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, 3.5mm Microphone and Headphone jacks |
|
|
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): |
0.35 |
<0.3 |
| Cycle time for RAW shooting in single shot mode (seconds per frame): |
|
|
| Buffer size for RAW shooting in single shot mode (frames): |
|
|
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): |
0.34 |
<0.3 |
| Camera penalizes early shutter press? |
Yes |
No |
| JPEG shooting speed in burst mode (fps, max resolution): |
9.4 |
10.0 |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): |
114 |
70 |
| RAW shooting speed in burst mode (fps): |
9.5 |
7.2 |
| Buffer size for RAW shooting in burst mode (frames): |
17 |
32 |
| RAW+JPEG shooting speed in burst mode (fps): |
9.6 |
7.2 |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): |
16 |
32 |
| Shutter lag (full AF, wide/mid): |
0.23 seconds |
0.21 seconds |
| Shutter lag (full AF, tele): |
|
|
| Shutter lag (full AF, live view - DSLR): |
|
|
| Shutter lag (prefocused, live view - DSLR): |
|
|
| Shutter Lag (manual focus): |
0.086 seconds |
0.124 seconds |
| Shutter lag (full AF, with flash): |
0.45 seconds |
|
| Shutter Lag (prefocused): |
0.085 seconds |
0.022 seconds |
| Shutter Lag (notes): |
|
|
| Startup Time: |
2.0 seconds |
1.3 seconds |
| Play -> Record Time: |
0.6 seconds |
1.5 seconds |
| Flash cycle time, full power: |
1.6 seconds |
|
| Battery Life, Stills (CIPA Rating Monitor/Live View): |
210 shots |
670 shots |
| Battery Life, Still (CIPA Rating OVF/EVF): |
|
530 shots |
| Battery Life, Video: |
20 minutes
|
105 minutes
|
| Battery Form Factor: |
Proprietary |
Proprietary |
| Usable Battery Types: |
7.2v, 680mAh Lithium-ion rechargeable |
NP-FZ100 Lithium-ion rechargeable |
| Batteries Included: |
1 x Proprietary Lithium-ion rechargeable
|
1 x Proprietary NP-FZ100 Lithium-ion rechargeable
|
| Battery Charger Included (dedicated charger or AC/USB adapter): |
Yes |
Yes |
| Dedicated Battery Charger Included: |
No |
Yes |
| Internal Charging Supported: |
Yes |
Yes |
| Included Software: |
PHOTOfunSTUDIO and SILKYPIX Developer available as free downloads |
Capture One Express (for Sony) free download |
| OS Compatibility: |
|
|
| Notes & Features: |
Available in black or silver. |
|
