Panasonic Lumix DC-GH5S

The Panasonic Lumix DC-GH5S is a Micro Four Thirds mirrorless interchangeable lens camera body announced and released by Panasonic in January 2018.[2]

Panasonic Lumix DC-GH5S[1]
Overview
TypeMicro Four Thirds system mirrorless camera
Lens
Lens mountMicro Four Thirds system mount
Sensor/medium
Sensor4/3-type, multi aspect: 4:3, 3:2, 16:9, 17:9
Image sensor typeCMOS
Image sensor size17.3 x 13 mm (4:3 aspect ratio)
Maximum resolution3680 px × 2760 px, 3840 px × 2560 px, 4016 px × 2256 px, 4096 px × 2160 px (10.28 Megapixels)
ASA/ISO rangeISO 160 to ISO 51200, extendable from ISO 80 to ISO 204800
Recording medium2x SD / SDHC / SDXC UHS-I/UHS-II speed class 3
Focusing
FocusSwitchable auto and manual
Focus modesAF-C (continuous-servo), AF-F (flexible AF), AF-S (single servo AF), Manual Focus
Focus areas225 contrast detection AF
Exposure/metering
Exposure modesProgram AE; aperture Priority, shutter priority, manual
Metering modesCenter-weighted, multiple, spot
Flash
Flash synchronization1/250
Flash bracketing±3 EV in ⅓ EV steps
Shutter
ShutterFocal-plane shutter / Electronic shutter
Shutter speed range1/8000 - 60 s (mechanical shutter), bulb (up to 30 minutes), 1/16000s (electronic shutter)
Continuous shooting11 fps (mechanical shutter, 10 Mpx, 14 bits), 60 fps at 8 MP (electronic shutter)
Viewfinder
ViewfinderOLED viewfinder; 3.68 Mdots
Viewfinder magnification0.76x
Image processing
Custom WBAuto, cloudy, shade, incadescent, flash, daylight, white set 1/2/3/4, custom WB based on color temperature
General
Video/movie recordingAVCHD / MP4 / MOV
4096 x 2160 (24p, 25p, 30p, 60p)
3840 x 2160 (24p, 25p, 30p, 50p, 60p)
3328 x 2496p (24p, 25p, 30p 50p, 60p)
1920 x 1080p (24p, 25p, 30p, 50p, 60p, …, 240p)
Rear LCD monitor3.2", 1.62 Mdots, free-angle
Battery7.2v 1860 mAh Lithium-ion battery pack
Data Port(s)Wi-Fi, Bluetooth, full-sized HDMI Type-A, USB 3.1 Gen1 5Gbit/s,
Dimensions139 x 98 x 87 mm (5.5 x 3.9 x 3.4")
Weight660 g (battery and SD cards inserted)
Made in China
ReleasedJanuary 2018

Physical characteristics
Example in candle light with high contrast and high dynamic range between bright flame and dark background
Different aspect ratios without image sensor cropping
Video clip of a meteor of the Perseids, crop of a 4K-recording with 30 frames per second and with an exposure index of ISO 12800

It is the first mirrorless camera body of Panasonic, where the image sensor is equipped with two analogue amplifiers for every pixel (Dual Native ISO). With this technology the model shall be predestinated for video shooting in low light and high dynamic range situations.[3]

The body is made of a magnesium alloy, and it has a fully articulable monitor with touch screen functionality as well as an electronic viewfinder and a hot shoe for a flash light.[1]

Via Wi-Fi the camera can be remotely controlled and accessed by smartphones, tablet computers or mobile and desktop computers with the mobile app Panasonic Image App.[4] Via USB cable there is the possibility of remote shooting with the software Lumix Tether.[5]

Special properties

Compared to the sister model Panasonic Lumix DMC-GH5 the GH5S differs mainly in the following properties:

  • Image sensor
    • „Multi-Aspect“ with aspect ratios 4:3, 3:2, 16:9, 17:9
    • „Dual Native ISO“ (with two amplifiers per pixel with different amplification factor)[6]
      • „low“ with exposure indices ISO 160 to ISO 800, extendible from ISO 80, native sensitivity ISO 400
      • „high“ with exposure indices ISO 800 to ISO 51200, extendible to ISO 204800, native sensitivity ISO 2500
    • Lower maximum pixel count of 10 megapixels with a larger pixel pitch of 4,7 micrometers
    • No 6k photo modus (with 18 megapixels)
    • No stabilisation at image sensor, and therefore, no „'Dual-IS“ (synchronisation between the image stabilisation systems of lenses and camera body)
  • Video functions
    • 4k video recordings with 60 frames per second[6]
    • Slow motion recordings in Full HD with 240 frames per second[6]
    • In- and output for timecode signals[6]

In the following image sequence there is an object taken with f-number 5.6 and with different exposure indices between ISO 160 and ISO 51200. As a result, the images had to be taken with different shutter speeds. At ISO 51200 image noise is easily recognisable at full magnification:

  • Exposure index sequence taken with Panasonic Lumix DC-GH5S
  • ISO 160, 1/15 s
  • ISO 200, 1/20 s
  • ISO 400, 1/40 s
  • ISO 800, 1/80 s
  • ISO 1600, 1/160 s
  • ISO 3200, 1/320 s
  • ISO 6400, 1/640 s
  • ISO 12800, 1/1300 s
  • ISO 25600, 1/2500 s
  • ISO 51200, 1/5000 s
  • Panasonic Lumix DC-GH5S
  • Back view with articulated monitor
  • Perspective view from above
  • Perspective view from above with articulated monitor
  • Perspective view with lens Leica Nocticron 42.5 mm f/1.2
gollark: The slope is the gradient, dy/dx, rise/run, whatever - how much it goes up for each unit it goes right.
gollark: Just imagine plotting a graph of number of rides... ridden... (X axis) and cost (Y axis).
gollark: Oh, this is one of those annoying things where they give you a thinly disguised question of some sort.
gollark: What information do they give you?
gollark: Do you not understand a word/phrase in it, or what it's asking you to do, or what?

References
  1. DC-GH5S LUMIX G Wechselobjektivkamera, Panasonic.com, retrieved 19 January 2018
  2. Panasonic Lumix DC-GH5S, dpreview, 8 January 2018, retrieved 23 January 2018
  3. Benjamin Kirchheim: Low-Light-Video-Spezialistin Panasonic Lumix DC-GH5S vorgestellt, digitalkamera.de, 8 January 2018, retrieved 23 January 2018
  4. LUMIX GH5S: Das Low-Light- und Video-Talent, panasonic.com, 8 January 2018, retrieved 19 January 2018
  5. Lumix Tether Download Program, panasonic.com, 21 Dezember 2017, retrieved 19 January 2018
  6. Panasonic Lumix GH5S for the video professional: - Introducing Dual Native ISO for impressive low-light performance, Panasonic, Australia, 9 January 2018, retrieved 23 January 2018
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