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Black Sony a7 III mirrorless camera body with 2.95 inch LCD and electronic viewfinder

Sony

Sony a7 III ILCE7M3/B compact mirrorless camera body only

SKU CH-YHY1-DKNA2

Full-frame 24.2-megapixel mirrorless body with 5-axis in-body stabilisation, 2.95-inch tilting touchscreen and 0.5-inch OLED viewfinder

  • Display resolutionImage Size (pixels) [3:2]: 35 mm full frame L: 6000 × 4000 (
  • Battery runtime(Still Images): Approx. 610 shots (Viewfinder) / approx. 710
  • Part type or numberILCE7M3/B
  • Imaging sensorExmor R CMOS
  • Image sensor size35 mm full frame (35.6 × 23.8 mm)
  • Total pixels25.3 MP
  • Full-frame 24.2 MP sensor captures detailed low-light images
  • 5-axis in-body stabilisation delivers 5.0 stops of shake compensation
  • Fast Hybrid AF locks focus quickly across the frame
  • 95" tilting touchscreen enables flexible high and low angles
  • 5" OLED viewfinder with 100 % coverage for precise framing

Full-frame sensor and hybrid autofocus

The Sony a7 III pairs a 35 mm back-illuminated Exmor R CMOS sensor with a Fast Hybrid AF system. It resolves 24.2 effective megapixels and reads out data roughly twice as fast as earlier designs. Five-axis in-body stabilisation delivers up to 5.0 stops of compensation for pitch and yaw shake with compatible lenses.

Resolution options and ISO latitude

Still images can be recorded at 6000 x 4000 pixels in full-frame L mode, with additional M and S settings plus APS-C crops down to 1968 x 1312. Native ISO spans 100 to 51200 for both stills and movies, expandable to 50 and 204800 for stills or 102400 equivalent for video.

Battery life and viewfinder ergonomics

CIPA ratings show approximately 610 shots using the 0.5-type XGA OLED viewfinder or 710 shots with the 2.95-inch tilting LCD. Movie recording runs about 115 minutes on the viewfinder and 125 minutes on the monitor, with continuous recording up to 200 and 210 minutes respectively.

How it compares

Measured against everything we stock in Mirrorless Camera Bodies & Kits, at today’s prices. Recalculated every night.

Price $1,073.99
Typical for this category: the median of 683 items is $1,132.99.

Specifications

Product
Brand nameSONY
Product lineAlpha
Model namea7 III
Part type or numberILCE7M3/B
Product typeMirrorless
Product colorBlack
Performance
Print coverage100%
Continuous shooting speedContinuous shooting: Hi+: max. 10 fps, Hi: max. 8 fps, Mid: max. 6fps, Lo: max. 3 fps
Storage
Drive modesSingle Shooting, Continuous shooting (Hi+/Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single, Bracket: Cont., White Balance bracket, DRO bracket
Storage mediaMemory Stick PRO Duo, Memory Stick PRO-HG Duo, Memory Stick Micro (M2), SD memory card, SDHC memory card (UHS-I/II compliant), SDXC memory card (UHS-I/II compliant), microSD memory card, microSDHC memory card, microSDXC memory card
Display
Display resolutionImage Size (pixels) [3:2]:
35 mm full frame L: 6000 × 4000 (24M), M: 3936 × 2624 (10M), S: 3008 × 2000 (6.0M), APS-C L: 3936 × 2624 (10M), M: 3008 × 2000 (6.0M), S: 1968 × 1312 (2.6M)
Image Size (pixels) [16:9]:
35 mm full frame L: 6000 × 3376 (20 M), M: 3936 × 2216 (8.7M), S: 3008 × 1688 (5.1M), APS-C L: 3936 × 2216 (8.7M), M: 3008 × 1688 (5.1M), S: 1968 × 1112 (2.2M)
Screen ratio3:2 (Horizontal:Vertical)
LCD screen size2.95 in (7.49 cm)
Type of screenWide type TFT, Touch
Brightness adjustmentManual (5 steps between -2 and +2), Sunny Weather mode
Audio & video
Imaging sensorExmor R CMOS
Total pixels25.3 MP
Sensor resolution24.0–25.9 MP
White balance settingsAuto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Warm White / Cool White / Day White / Daylight / Flash / Underwater / Color Temperature 2500 to 9900K & color filter G7 to M7 (57-step), A7 to B7 (29-step) / Custom
Focus systemFast Hybrid AF (phase-detection AF/contrast-detection AF)
Exposure compensation range+/- 5.0EV (1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3EV (1/3 EV steps))
Shutter speedStill images: 1/8000 to 30s, Bulb, Movies: 1/8000 to 1/4 (1/3 steps), up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode)
Flash optionsFlash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction (on/off selectable), Wireless, Hi-speed sync.
Image playbackSingle (with or without shooting information Y RGB histogram & highlight/shadow warning), 9/25-frame index view, Enlarged display mode (L: 18.8x, M: 12.3x, S: 9.4x), Auto Review (10/5/2 sec, Off), Image orientation (Auto/Manual/Off selectable), Slideshow, Folder selection (Date/ Still/ AVCHD/XAVC S HD/XAVC S 4K), Forward/Rewind (movie), Delete, Protect, Rating, Disp Cont Shoot Grp
Audio formatXAVC S: LPCM 2ch, AVCHD: Dolby Digital (AC-3) 2ch, Dolby Digital Stereo Creator
Video formatXAVC S: MPEG-4 AVC/H.264, AVCHD: MPEG-4 AVC/H.264
MicYes
Connectivity
Integrated Wi-FiYes
Ports & slots
USB portsYes
HDMI portsYes
Power
Battery packOne rechargeable battery pack NP-FZ100
Size & build
Image sensor size35 mm full frame (35.6 × 23.8 mm)
Lens mountSony E-mount
More details
Dust cleaning systemCharge protection coating on optical filter and image sensor shift mechanism
Viewfinder type1.3 cm (0.5 type) electronic viewfinder (color), XGA OLED
Magnifying powerApprox. 0.78x (with 50 mm lens at infinity, -3.28 ft-1)
EyepointApprox. 23 mm from the eyepiece lens, 18.5 mm from the eyepiece frame at -1m-1 (CIPA standard)
Dioptric adjustment-4.0 to +3.0 m-1
Focusing modesAF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus
Af-assist beamYes (with built-in LED type)
Approx. 0.3m - approx. 3.0m (with FE 28-70 mm F3.5-5.6 OSS attached)
Focusing point selection35 mm full frame: 693 points (phase-detection AF), APS-C mode with full frame lens: 299 points (phase-detection AF), with APS-C lens: 221 points (phase-detection AF) / 425 points (contrast-detection AF)
Metering systemMetering Type: 1200-zone evaluative metering
Metering Sensor: Exmor R CMOS sensor
Metering Sensitivity: EV -3 to EV 20 (at ISO100 equivalent with F2.0 lens attached)
Metering Mode: Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight
ISO sensitivityStill images: ISO 100-51200 (ISO numbers from ISO 50 to ISO 204800 can be set as expanded ISO range.), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-51200 equivalent (ISO numbers up to ISO 102400 can be set as expanded ISO range.), AUTO (ISO 100-12800, selectable lower limit and upper limit)
AE lockLocked when shutter button is pressed halfway. Available with AE lock button (On/Off/Auto)
Shutter typeElectronically controlled, vertical-traverse, focal-plane type
Flash controlPre-flash TTL
Flash exposure compensation+/- 3.0 EV (switchable between 1/3 and 1/2 EV steps)
External flashSony a System Flash compatible with Multi Interface Shoe, attach the shoe adapter for flash compatible with Auto-lock accessory shoe
CustomizationCustom key settings, Programmable Setting (Body 2 sets /memory card 4 sets), My Menu, Reg Cust Shoot Set

Questions about this item

Will the 5-axis in-body image stabilization work with my existing Sony E-mount lenses?

Yes, the 5-axis sensor-shift stabilization compensates up to 5.0 stops of pitch and yaw shake and operates with any Sony E-mount lens; the exact compensation depends on the lens specifications.

How can I confirm the 24.2 MP full-frame sensor is performing correctly after first use?

Shoot a test image at the L 3:2 setting (6000 x 4000 pixels) and verify the file dimensions and EXIF data show 24 megapixels and the selected ISO range of 100-51200.

What accessories are included with the body-only package and what must I purchase separately?

The box contains the ILCE7M3/B camera body, NP-FZ100 rechargeable battery, charger, strap, body cap, eyepiece cup and cable protector; you must buy an E-mount lens and memory card separately.

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