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Sony a7 IV Mirrorless Camera with 28-70mm Lens

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Sony a7 IV Mirrorless Camera with 28-70mm Lens
Key Features
  • 33MP Full-Frame Exmor R CMOS Sensor
  • Up to 10 fps Shooting, ISO 100-51200
  • 4K 60p Video in 10-Bit, S-Cinetone
  • 3.68m-Dot EVF with 120 fps Refresh Rate
An all-arounder that pushes beyond basic, the Sony a7 IV does double duty with strong stills and video performance. An advanced hybrid mirrorless camera, the a7 IV has the resolution and AF performance that appeals to photographers along with robust 4K 60p video recording for filmmakers and content creators.
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Sony A7 IV Overview

  • 1Description
  • 2
  • 3Sensor and Processor
  • 4Video Recording
  • 5Fast Hybrid AF System
  • 6Body Design, Connectivity, and Streaming
  • 7FE 28-70mm f/3.5-5.6 OSS Lens

Sony a7 IV: Beyond Basic

An all-arounder that pushes beyond basic, the Sony a7 IV does double duty with strong stills and video performance. An advanced hybrid mirrorless camera, the a7 IV has the resolution and AF performance that appeals to photographers along with robust 4K 60p video recording for filmmakers and content creators.

Sensor and Processor

33MP Exmor R BSI CMOS Sensor

Newly developed 33MP Exmor R full-frame sensor features a back-illuminated design that promotes high clarity, low noise, and vivid color rendering. This design benefits working in low-light conditions and works in conjunction with a broad sensitivity range of ISO 100-51200. The sensor's design also achieves an impressive dynamic range of approximately 15 stops and files can be recorded in raw, JPEG, or the 10-bit HEIF format.

BIONZ XR Processor

Using the flagship-class BIONZ XR engine, high-speed image processing capabilities are available for fast continuous shooting, 4K video recording, and advanced AF tracking performance. The quick processing also helps to reduce rolling shutter and other motion distortions for clean rendering of moving subjects.

In terms of shooting speeds, the sensor and processor enable up to 10 fps shooting, using either the mechanical or electronic shutter and with AF/AE enabled. Also, the buffer permits recording up to 828 consecutive uncompressed raw + JPEG frames when using a CFexpress Type A card.

Video Recording

4K 60p Video Recording in 10-Bit

  • Making full use of the high-resolution 33MP sensor and fast processing capabilities, UHD 4K 30p XAVC HS 10-bit recording is possible using the full width of the sensor, offering 7K oversampling for impressive sharpness and realism.
  • There is also oversampled 4K recording, via a 4.6K capture area, with a Super 35 crop, that offers UHD 4K output up to 60p in 10-bit.
  • No recording time limit allows for unlimited clip lengths and the camera's physical design features an improved heat-dissipating structure to promote longer possible recording times; longer than one hour of continuous 4K 60p 10-bit 4:2:2 recording, for example.
  • The a7 IV employs a pair of codecs to suit different workflows: XAVC HS, which uses HEVC/H.265 encoding to retain more detail at smaller bitrates and XAVC S-I, which is an intraframe codec for consistent performance and quality at bitrates up to 600 Mb/s.

S-Cinetone, S-Log3, and Other Color and Gamma Controls

  • S-Cinetone can be used to deliver distinct colors and healthy-looking skin tone rendering that matches the FX9 and FX6 cameras, along with the a1 and a7S III, and is based on technology from the professional Cinema Line cameras, such as the VENICE. This color profile offers natural mid-tones, soft colors, and especially well-controlled highlights.
  • HLG (Hybrid Log-Gamma) support permits recording within a wide color gamut for producing HDR-ready content directly from the camera.
  • S-Log3 is also available for producing a 15+-stop dynamic range with increased grading control in the shadow to mid-tone regions of the image.

Fast Hybrid AF System

AI-Based Autofocus

Covering approximately 94% of the image area, a Fast Hybrid AF system incorporates 759 phase-detection points for quick and precise focusing in a variety of lighting conditions with sensitivity down to -4 EV. This focusing system is available for use in all recording modes, to benefit both video and stills applications.

Real-time Tracking and Real-time Eye AF

Borrowing from the flagship AF system, the a7 IV has tuned tracking and subject detection capabilities that lock onto subjects quickly and refines focus accurately on recognized eyes and faces of subjects:
  • Real-time Tracking is an AI-based subject recognition system that recognizes color, pattern, and subject distance information for high accuracy and focusing speed.
  • Beyond just tracking subjects, Real-time Eye AF fine-tunes the focusing accuracy and recognizes human, animal, and bird's eyes for critical sharpness. Real-time Eye AF even maintains focus on a subject's eye when they leave and re-enter the frame, allowing for working in more spontaneous shooting situations.

AF During Video Recording and Additional Focusing Modes

  • Real-time Eye AF is fully supported during video recording, for subject detection and tracking of human, animal, and bird eyes while shooting.
  • For more control over how focus shifts appear during recording, seven-step AF transition speeds and five-step AF subject shift sensitivity controls let you refine how quickly focus shifts from point to point and how smoothly focusing shifts occur.
  • Focus Map is a unique way of visualizing depth of field and functions in a similar way to peaking with a colorful overlay of the scene that indicates which parts of the scene are in front of and behind the focus point depending on the chosen aperture.
  • A feature carried over from the FX6 digital cine camera, AF Assist lets you intuitively switch over to manual focus control for adjusting focus position when working with AF. This is a quick way to shift selective focus between various subjects in a scene while recording.
  • A unique solution to compensate for how certain lenses perform when racking focus, Focus Breathing compensation will automatically smooth focus transitions and maintain a consistent field of view when changing the focus position during a shot. This mode crops into the image slightly and corrects for any detected shifts in composition when focusing is happening. This function is compatible with select E-mount lenses, check Breathing Compensation lens compatibility here.

Body Design, Connectivity, and Streaming

Viewfinder and LCD Screen

  • An improved QVGA OLED Tru-Finder EVF features a 3.68m-dot resolution that is approximately 1.6x higher in resolution than its predecessor for sharper, clearer viewing. This viewfinder supports both standard 60 fps and 120 fps frame rates for smooth motion rendering and its physical design has a long 23mm eye point, 0.78x-magnification, and 37.3° field of view.
  • Perfect for vlogging or other self-recording needs, the side-opening 3.0" 1.03m-dot vari-angle articulating screen can be used in a front-facing orientation or can be tilted up or down to suit working from high or low shooting angles. This LCD is a touchscreen, too, for intuitive shooting control and menu navigation.

Ports and Interface

  • Full-size HDMI A port offers a more reliable connection when working with external recorders.
  • A USB 3.2 Gen 2 Type-C port has been added, in addition to a micro-USB port, for faster, more reliable tethering support. The USB Type-C connection allows the camera to be charged or powered from the host power source while connected.
  • Both 3.5mm headphone and external microphone ports facilitate greater control over audio recording.
  • Multi Interface Shoe supports working with the optional ECM-B1M Shotgun Microphone or XLR-K3M XLR Adapter Kit, which provide improved, clear audio recording sound by sending a digital audio signal to the camera, opposed to an analog signal.
  • USB Type-C port can be paired with an optional Ethernet wired LAN adapter to provide 1000BASE-T connectivity, wired remote shooting, or FTP transferring.

5-Axis SteadyShot INSIDE Image Stabilization

  • Enhanced 5.5-stop effective 5-axis SteadyShot INSIDE image stabilization system compensates for five different types of camera shake encountered during handheld shooting of stills and video and allows users to confidently use any lens, even adapted lenses, for critical shooting without encountering blur from camera shake.
  • For long focal lengths, the system will correct for pitch and yaw adjustments. Macro and high-magnification imagery, on the other hand, will benefit from the inclusion of horizontal and vertical shift compensation. All shooting styles will get usage out of the roll compensation. All 5 axes of stabilization will function at all times, even when used with third-party lenses and adapters or lenses with built-in optical stabilization.
  • Additionally, specifically for video, there is also an Active IS mode that adds even more precise stabilization methods for even smoother footage straight out of camera.

Advanced External Flash Control

Suiting working with flash while photographing fast-moving subjects, P-TTL flash metering is possible in between each exposure when working with lo, mid, or even hi-speed continuous shooting modes. This helps to maintain stable illumination if making low-light bursts and greatly benefits working in changing light or low-light conditions. The updated flash control system also helps to reduce flash trigger lag, uses the camera's AWB information for natural color rendering, and supports adjusting select flash and transmitter units directly from the camera's interface.

Wireless Connectivity and Streaming

  • Built-in Wi-Fi enables the remote camera control and instant sharing of imagery to mobile devices for direct sharing online, and support for both 2.4 and 5 GHz bands also enables wireless tethered shooting support. This connectivity also provides remote camera control.
  • Use of the Imaging Edge mobile app is benefitted by Bluetooth to maintain a reliable connection between the camera and mobile device.
  • Supports Visual Story for easy cloud-based deliver of photos and videos immediately after shooting.
  • Live streaming is possible directly from the camera simply by connecting the camera to a computer or compatible mobile device via USB, allowing the camera's video and audio capabilities to be used for live social media and video conferencing.
  • 4K 15p, FHD 60p/30p, and HD 30p recording settings are available and there are also internal Creative Look and Soft Skin effects for a refined image quality straight from the camera.
  • Internal recording is supported to a memory card while live streaming.
  • UVC and UAC standards are supported for improved picture and sound quality during streaming.

FE 28-70mm f/3.5-5.6 OSS Lens

Included with the camera is the versatile wide-angle to portrait-length FE 28-70mm f/3.5-5.6 OSS lens. This lens features one extra-low dispersion element and three aspherical elements to control both chromatic and spherical aberrations throughout the zoom range. A linear autofocus motor, coupled with an internal focusing design, offers quick and quiet focusing performance to suit both stills and video shooting. Additionally, Optical SteadyShot image stabilization minimizes the appearance of camera shake and a weather-sealed design permits working in inclement conditions.

Sony A7 IV Specs

Imaging
Lens MountSony E
Sensor ResolutionActual: 34.1 Megapixel
Effective: 33 Megapixel
Sensor Type35.9 x 23.9 mm (Full-Frame) CMOS
Image StabilizationSensor-Shift, 5-Axis
Built-In ND FilterNone
Capture TypeStills & Video
Exposure Control
Shutter TypeMechanical Focal Plane Shutter, Electronic Shutter
Shutter Speed1/8000 to 30 Seconds
Bulb/Time ModeBulb Mode
ISO SensitivityPhoto
100 to 51,200 (Extended: 50 to 204,800)
Video
100 to 51,200 (Extended: 100 to 102,400)
Metering MethodCenter-Weighted Average, Highlight Weighted, Multiple, Spot
Exposure ModesAperture Priority, Manual, Program, Shutter Priority
Exposure Compensation-5 to +5 EV (1/3 EV Steps)
Metering Range-3 to 20 EV
White BalancePresets: Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
Continuous ShootingUp to 10 fps at 33 MP for up to 828 Frames (Raw) / Unlimited Frames (JPEG)
Interval RecordingYes
Self-Timer2/5/10-Second Delay
Still Image Capture
Image Sizes3:2 Raw
7008 x 4672
3:2 JPEG
7008 x 4672
4608 x 3072
3504 x 2336
1:1 JPEG
4672 x 4672
3072 x 3072
2336 x 2336
4:3 JPEG
6224 x 4672
4096 x 3072
3120 x 2336
16:9 JPEG
7008 x 3944
4608 x 2592
3504 x 1968
Aspect Ratio1:1, 3:2, 4:3, 16:9
Image File FormatJPEG, Raw, HEIF
Bit Depth14-Bit
Internal Video Capture
Recording ModesH.265/XAVC HS 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.98p/50p/59.94p [50 to 200 Mb/s]
H.265/XAVC HS 4:2:0 10-Bit
UHD 4K (3840 x 2160) at 23.98p/50p/59.94p [30 to 150 Mb/s]
H.264/XAVC S-I 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.98p/25p/29.97p/50p/59.94p [240 to 600 Mb/s]
Full HD (1920 x 1080) at 23.98p/25p/29.97p/50p/59.94p [89 to 222 Mb/s]
XAVC S 4:2:2 10-Bit
UHD 4K (3840 x 2160) at 23.98p/25p/29.97p/50p/59.94p [100 to 200 Mb/s]
Full HD (1920 x 1080) at 23.98p/25p/29.97p/50p/59.94p [50 Mb/s]
XAVC S 4:2:0 8-Bit
UHD 4K (3840 x 2160) at 23.98p/25p/29.97p/50p/59.94p [60 to 150 Mb/s]
Full HD (1920 x 1080) at 23.98p/25p/29.97p/50p/59.94p/100p/119.88p [16 to 100 Mb/s]
Recording LimitUnlimited
Video SystemNTSC/PAL
Built-In Microphone TypeStereo
Audio Recording2-Channel 16-Bit 48 kHz LPCM Audio
2-Channel 24-Bit 48 kHz LPCM Audio
4-Channel 24-Bit 48 kHz LPCM Audio
2-Channel AAC LC Audio
External Video Capture
External Recording Modes4:2:2 10-Bit via HDMI
UHD 4K (3840 x 2160) at 23.98p/25p/29.97p/50p/59.94p
Full HD (1920 x 1080) at 23.98p/50p/59.94p
Full HD (1920 x 1080) at 50i/59.94i
4:2:0 8-Bit via HDMI
UHD 4K (3840 x 2160) at 23.98p/25p/29.97p/50p/59.94p
Full HD (1920 x 1080) at 23.98p/50p/59.94p
Full HD (1920 x 1080) at 50i/59.94i
IP StreamingNone
Interface
Media/Memory Card SlotSlot 1: CFexpress Type A / SD (UHS-II)
Slot 2: SD/SDHC/SDXC (UHS-II)
Video I/O1 x HDMI Output
Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Headphone Output
1 x 1/8" / 3.5 mm TRS Stereo Microphone Input
Other I/O1 x Sony Multi/USB Micro-B Input/Output (Shared with Remote Input)
1 x USB Type-C (USB 3.2 / 3.1 Gen 2) Input/Output (Shared with Power Input)
Power I/O1 x USB Type-C Input/Output
WirelessBluetooth, Wi-Fi
Global Positioning (GPS, GLONASS, etc.)None
Monitor
Size3.0"
Resolution1,036,800 Dot
Display TypeFree-Angle Tilting Touchscreen LCD
Viewfinder
TypeBuilt-In Electronic (OLED)
Size0.5"
Resolution3,680,000 Dot
Eye Point23 mm
Coverage100%
MagnificationApprox. 0.78x
Diopter Adjustment-4 to +3
Focus
Focus TypeAuto and Manual Focus
Focus ModeContinuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF
Autofocus PointsPhase Detection: 759
Contrast Detection: 425
Autofocus Sensitivity-4 to +20 EV
Flash
Built-In FlashNo
Flash ModesAuto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Maximum Sync Speed1/250 Second
Flash Compensation-3 to +3 EV (1/3, 1/2 EV Steps)
Dedicated Flash SystemTTL
External Flash ConnectionIntelligent Hot Shoe
Environmental
Operating Temperature32 to 104°F / 0 to 40°C
General
Battery Type1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 520 Shots)
Power Consumption<5.7 W
Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
Accessory Mount1 x Hot Shoe Mount
Material of ConstructionMagnesium Alloy
Dimensions (W x H x D)5.2 x 3.8 x 3.1" / 131.3 x 96.4 x 79.8 mm
Weight1.4 lb / 658 g (With Battery, Recording Media)
Kit Lens
Focal Length28 to 70mm
Maximum Aperturef/3.5 to 5.6
Minimum Aperturef/22 to 36
Angle of View75° to 34°
Maximum Magnification0.19x
Minimum Focus Distance11.8" / 30 cm
Optical Design9 Elements in 8 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size55 mm (Front)
Dimensions (ø x L)2.9 x 3.3" / 72.5 x 83 mm
Weight10.4 oz / 295 g
Packaging Info
Package Weight3.36 lb
Box Dimensions (LxWxH)10.6 x 7 x 6.4"

Sony A7 IV Reviews

Excellent for Wildlife, I am so pleasantly surprised !

By Amanda
Rated 5 out of 5
Date: 2022-07-02

I actually came from the a9 and decided to switch over to the a7iv due to more ability to crop w the 33 mp. A lot of people would disagree with me about that choice but the ability to crop was more important to me than the frame rate/ stacked sensor and I actually 100% do not regret my decision! The autofocus is still absolutely excellent, I thought it was going to feel like a more significant downgrade from my a9 and it really doesn't. I shoot a lot of fast birds in FL, so autofocus is a big deal for me and the a7iv keeps up wonderfully. Even more, the high ISO capabilities on the a7iv blow my mind! The a9 was excellent, and I was expecting the a7iv to do a hint worse with the increase in resolution but it is in my opinion significantly better than my 9. I mean, I shoot mainly JPG and I often do not see noise in super 35 mode at 3200 ISO. It is incredible , my a9 was great but, definitely saw some more grain than in this camera. Im really not sure how sony does it, but, for me, the ability to crop, the image quality, and the iso performance is amazing as a wildlife shooter. (although I have to be honest, I really wish the a7iv was at least 12 fps instead of the old 10 fps). In all, this is an excellent choice for wildlife photographers and paired with the 100-400GM , i can throw it into super 35 mode and get clean, beautifully sharp photos at 600mm. This camera is a beast!

Overheats, love the features

By DEVON
Rated 2 out of 5
Date: 2022-06-29

This camera has been amazing when things are cool or I have a fan handy, but it's a major professional issue when your equipment fails to operate in standard conditions. I also primarily use it for video. About 60/40 The bad: My most recent shoot had the following circumstances: 4k30 4:2:0 Recording for 10 min and overheating. Opened all flaps and panels to allow for airflow Airplane mode on Firmware most recent version V90 sd card. High temp auto shutdown set to high Ambient temperature was below 76f There are reports of good versions of this camera that do not overheat, however be aware that if you get one that overheats you are advised to exchange it right away. The good: There are so many good things about this camera Eye tracking autofocus 10-bit color In camera stabilization It's a workhorse when the weather is cool and/or it's breezy

Truly great

By Arayik
Rated 5 out of 5
Date: 2022-06-25

This camera is very user-friendly, makes great photos and videos.

Great camera.

By Phi
Rated 5 out of 5
Date: 2022-06-23

Sold my A7Riv last year and was looking for a new one and was on the fence getting this camera but I'm glad I did. Great hybrid camera and the body and grip is same as A1 and A7riv and the covers for ports are a lot better then the floppy covers from before, plus full size HDMI port is a plus. Also there have been issues with the AF but after doing the firmware update mine has been working great.

Great Upgrade

By Richard
Rated 5 out of 5
Date: 2022-06-23

I have the A7S, A7R2, A7S3 and now the A7IV. I shoot a lot of night shots and the A7IV is the camera that the S3 should have been. It's ISO performance (when adjusting for the scale factor) is very, very close to the A7S3, which is stellar (but only 12MP). Large battery, ability to run on USB power, dual SD slots, internal intervalometer, Bright Monitoring, etc make it a great night camera. At ~$1K less than the 7S3, it is a very good deal, imho

Awesome Camera so far!

By Jeffery
Rated 5 out of 5
Date: 2022-06-22

I only have about 3 weeks under my belt with this amazing camera but I am, so far, very satisfied! It is so powerful that it was a little overwhelming at first but as I have settled in I absolutely love so many of the extensive list of features available!

Overheats with highest bit rate video capture

By Jesse
Rated 4 out of 5
Date: 2022-07-01

Awesome photos, great video. I shoot interviews as well as photos and if you set your video to the highest bit rate and codec it will overheat after 20ish minuets. Fix sensitivity with menu and update firm wear, that seems to fix problem.

Excellent camera

By Abhisekh
Rated 5 out of 5
Date: 2022-06-29

My first full frame camera. Great autofocus and accuracy. Also great video result. Totally recommend it. Match it with ur g master lens and see the result. Lit!,

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