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Sony Alpha a7 IV Mirrorless Digital Camera with FE 28-70mm f/3.5-5.6 OSS Lens

Model: ILCE-7M4K/B

Sony Warranty - USA Version
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MSRP: $2,698.00 ?

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Specifications

FE 28-70mm Lens

Diaphragm Blades 7, Rounded
Optical Design 9 Elements in 8 Groups
Minimum Focus Distance 11.8" (30cm)
Close-Up Magnification 0.19x
Angle of View 75 Degree to 34 Degree
Maximum Aperture f/3.5 to 5.6
Minimum Aperture f/22 to 36
Focal Length 28 to 70mm
Weight 10.4 oz (295g)
Dimensions (Diameter x L) 2.9 x 3.3" (72.5 x 83mm)
Filter Size 55 mm (Front)
Image Stabilization No
Focus Type Autofocus

Camera: Viewfinder

Viewfinder Size 0.5"
Diopter Adjustment -4 to +3
Viewfinder Magnification Approx. 0.78x
Viewfinder Coverage 1
Viewfinder Eye Point 23 mm
Viewfinder Resolution 3,680,000 Dot
Viewfinder Type Electronic (OLED)

Camera: Video

Recording Limit Unlimited
Video Encoding NTSC/PAL
Audio Recording Built-In Microphone (Stereo)External Microphone Input (Stereo)
Audio File Format AAC, Linear PCM (Stereo)
Live Streaming Yes
Webcam Functionality Yes
Recording Modes H.265/XAVC HS 4:2:2 10-BitUHD 4K (3840 x 2160) at 23.976p/50p/59.94p [50 to 200 Mb/s]H.265/XAVC HS 4:2:0 10-BitUHD 4K (3840 x 2160) at 23.976p/50p/59.94p [30 to 150 Mb/s]H.264/XAVC S-I 4:2:2 10-BitUHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p [240 to 600 Mb/s]Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p [89 to 222 Mb/s]
External Recording Modes 4:2:2 10-BitUHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94pFull HD (1920 x 1080) at 23.976p/50p/59.94pFull HD (1920 x 1080) at 50i/59.94i4:2:0 8-BitUHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94pFull HD (1920 x 1080) at 23.976p/50p/59.94pFull HD (1920 x 1080) at 50i/59.94i

Camera: Physical

Dimensions (W x H x D) 5.2 x 3.8 x 3.1" (131.3 x 96.4 x 79.8mm)
Weight 1.4 lbs (658g) (Body with Battery and Memory)

Camera: Monitor

Display Type Free-Angle Tilting Touchscreen LCD
Resolution 1,036,800 Dot
Size 3.0"

Camera: Interface

GPS No
Connectivity HDMI A (Full Size), USB Type-C (USB 3.2 Gen 2), USB Micro-B (USB 2.0), 3.5mm Microphone, 3.5mm Headphone
Wireless Wi-FiBluetooth
Media/Memory Card Slot Slot 1: CFexpress Type A / SD (UHS-II)Slot 1: SD/SDHC/SDXC (UHS-II)

Camera: Imaging

Sensor Resolution Actual: 34.1 MegapixelEffective: 33 Megapixel
Crop Factor None
Lens Mount Sony E
Sensor Type 35.9 x 23.9 mm (Full-Frame) CMOS
Image Stabilization Sensor-Shift, 5-Axis
Bit Depth 14-Bit
Image File Format JPEG, Raw, HEIF
Aspect Ratio 1:1, 3:2, 4:3, 16:9

Camera: Focus

Focus Mode Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S)
Focus Type Auto and Manual Focus
Autofocus Points Phase Detection: 759Contrast Detection: 425
Autofocus Sensitivity -4 to +20 EV

Camera: Flash

External Flash Connection Hot Shoe
Dedicated Flash System TTL
Flash Compensation -3 to +3 EV (1/3, 1/2 EV Steps)
Maximum Sync Speed 1/250 Second
Flash Modes Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Built-In Flash No

Camera: Exposure Control

Metering Range -3 to 20 EV
Exposure Compensation -5 to +5 EV (1/3 EV Steps)
Exposure Modes Aperture Priority, Manual, Program, Shutter Priority
Metering Method Center-Weighted Average, Highlight Weighted, Multiple, Spot
Shutter Speed 1/8000 to 30 SecondBulb Mode
ISO Sensitivity Auto, 100 to 512000 (Extended: 50 to 204800)
Self-Timer 2/5/10-Second Delay
Interval Recording Yes
Continuous Shooting Up to 10 fps at 33 MP for up to 828 Frames (Raw) / Unlimited Frames (JPEG)
White Balance Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater

Camera: Environmental

Operating Temperature 32 to 104 Degree F (0 to 40 Degree C)

Camera: Battery

Battery Type non-universal
Battery 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 520 Shots)
Battery Info required, included
Battery Material Lithium ion
Battery Quantity 1
Expert Reviews
5 November 2021

Updated: 2021-10-21 First introduced in October 2021 , Sony Alpha A7 IV is a 33.0MP Pro Mirrorless camera with a Full frame (35.8 x 23.8 mm ) sized BSI-CMOS sensor, built-in Image Stabilization, weather sealed body, Fully articulated touch screen and Sony E lens mount.

  • +

    Gyroscopic Stabilization, Lens Breathing Correction, Unlimited Video Recording (no 30min limit), Anti-dust Shutter during Lens Change, Built-in Wireless (Wi-fi), Bluetooth Connectivity, NFC Connectivity, 5-axis Image Stabilization, Articulating Screen, 4K (UHD) Video, No crop on 4K Videos, 10-bit...

  • -

    Heavy Body: 699g

Digital camera world.35164798
12 November 2021

The Sony A7 IV is an extremely powerful, extremely advanced camera with state of the art autofocus, a huge buffer depth and very good video features. It can also be quite complex to set up and use. The A7 IV makes extraordinary things possible, but it doesn’t necessarily make them easy.

  • +

    Unprecedented buffer capacity, 10-bit 4:2:2 video and 4K 60p, Super-responsive AF, Extensive external controls

  • -

    Priced for semi-pros, not beginners, Needs a fast card(s), Cropped S&Q mode

Camera labs.35058694
22 October 2021

The A7 IV may be classified as the entry-level model in Sony’s full-frame lineup, but like its predecessors, will more than satisfy the majority of photographers, videographers and hybrid shooters.

Engadget.34750884
3 days ago

The A7 IV offers big improvements in resolution, AF tracking, video features and more, but forget about the spec sheet for a second. Sony’s largest achievement is that it created a mainstream camera that makes photography and video easier, thanks to AI smarts that can aid any photographer, no matter...

Photoreview.34367598
6 December 2021
9.0/10

The Sony α7 IV’s move up to the BIONZ XR processor is a worthwhile advance, especially for photographers who shoot video.

8 November 2021
10/10

Does Sony’s latest enthusiast-focused full-frame model offer enough in the face of stiff competition from Canon and Nikon? Andy Westlake finds out

  • +

    Excellent image quality, with more detail than its 24MP or 20MP rivals, Superb autofocus with extremely capable subject recognition, Larger grip and revised controls provide improved handling, Fully articulated screen gives increased compositional flexibility, Improved menus and touch interface are...

  • -

    AF system is over-complicated to configure, Rear top control dials are easily confused by touch, Still no in-camera raw conversion

Techradar uk.32817471
6 November 2021

It can no longer be classed as an 'entry-level' full-frame camera, but the Sony A7 IV is a truly modern hybrid that largely justifies its price tag. The new 33MP sensor looks a solid performer for both stills and video, and the A7 IV benefits from Sony's class-leading autofocus skills.

  • +

    Impressive new 33MP sensor, Class-leading autofocus, Vari-angle screen

  • -

    Price hike from A7 III, 4K/60p video is heavily cropped

User Reviews
1 week ago
10/10

I have been used a7iv for a month, great focus speed, noiseless night shot, awesome body structure, totally worth the price!!

1 week ago
8.0/10

After owning 5 Alpha 7 cameras. This is the Best in class for- Noise Management- Fast & accurate Autofocusing- Accurate 'Bird eyes AF'- EVF

2 weeks ago
10/10

I own a Sony AyM3 since it first came out so the Sony AyM4 is certainly long-awaited. I primarily use it for bird photography and portraiture.The big plus for me is the higher pixel count which helps to increase resolution quality of the bird when cropping. The AF is improved over the old A7M3.

2 weeks ago
10/10

Bought this camera for Christmas use, excellent picture and video quality, love it!

2 weeks ago
10/10

α7M4 My First ImpressionThe a7M4 has impproved its haptics, not to mention the polishedfeatures and functions. I think that it is one of the most important things in using a digitalcamera.

2 weeks ago
10/10

Love the camera. Great changes to menus and much easier to use

2 weeks ago
8.0/10

I bought the camera a month back upgrading from dslr to mirrorless. I have used the body extensively in the field in last month and I am quite satisfied with the overall performance.

2 weeks ago
8.0/10

Despite the touch screen is a good feature just like phone, but the screen is too small and the icon and selection bar is even smaller. There is a personal customize menu that is good, but it still not a one click to access.

2 weeks ago
10/10

I've only had this camera a week but because I've got a similar Sony 7Alpha model the improvements are noticeable. Because of some design changes it'll take a little while to get used to a few of the changes but overall first impressions are very positive.

2 weeks ago
10/10

I placed this order right when it was announced in October I was so ready to jump into the new offer as I have had my A7II for many years. This A7IV is better in almost every possible way, I love that we finally have a flip screen.

Product Highlights
  • 33MP full-frame Exmor R back-illuminated CMOS sensor
  • 8x more powerful, next generation BIONZ XR image processing engine
  • Up to 4K 60p 10-bit 4:2:2 w/ full pixel readout in all rec. formats
  • 7K oversampling full-frame 4K 30p 10-bit 4:2:2 w/ no pixel binning
  • Real-time Eye-AF for humans, animals, birds for photo and movie
  • S-Cinetone, S-Log, HLG and 10 Creative Look presets in-camera
  • Advanced movie features; Focus Map, Breathing Comp., AF Assist
  • UVC/UAC live streaming up to 4K 15p/1080 60p w/ internal recording
  • Sensor Size: Full Frame Camera Format
  • Resolution: 34 MP
  • Max Video Quality: 4K 60fps
  • Lens Included: 28-70mm
  • In-Body Stabilization: 5-Axis Digital
  • Configuration: Body & Lens
  • WiFi: Yes
  • Edition: Standard
  • 33MP full-frame Exmor R back-illuminated CMOS sensor
  • 8x more powerful, next generation BIONZ XR image processing engine
  • Up to 4K 60p 10-bit 4:2:2 w/ full pixel readout in all rec. formats
  • 7K oversampling full-frame 4K 30p 10-bit 4:2:2 w/ no pixel binning
  • Real-time Eye-AF for humans, animals, birds for photo and movie
  • S-Cinetone, S-Log, HLG and 10 Creative Look presets in-camera
  • Advanced movie features; Focus Map, Breathing Comp., AF Assist
  • UVC/UAC live streaming up to 4K 15p/1080 60p w/ internal recording
  • Sensor Size: Full Frame Camera Format
  • Resolution: 34 MP
  • Max Video Quality: 4K 60fps
  • Lens Included: 28-70mm
  • In-Body Stabilization: 5-Axis Digital
  • Configuration: Body & Lens
  • WiFi: Yes
  • Edition: Standard
9.0/10
Average Expert Score
9.2/10
Average User Score
In The Box
  • Sony Alpha a7 IV 33MP Full-Frame Mirrorless Digital Camera
  • FE 28-70mm f/3.5-5.6 OSS Lens (SEL2870)
  • Rechargeable Lithium-Ion Battery (NP-FZ100)
  • USB Charger (AC-UUD12)
  • Body Cap (ALC-B1EM)
  • Eyepiece Cup (FDA-EP18)
  • Multi Interface Shoe Cap (FA-SHC1M)
  • USB-A to USB-C Cable (USB 3.2)
  • Shoulder Strap
  • Lens Front Cap (ALC-F55S)
  • Lens Rear Cap (ALC-R1EM)
  • Lens Hood (ALC-SH132)
  • Sony 1 Year Limited Warranty
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