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Sony Alpha a7 IV 33MP Mirrorless Digital Camera Black (Body Only) - ILCE7M4/B
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Abt Model: ILCE7M4B
UPC: 027242923577
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Sony ILCE7M4/B Alpha a7 IV 33MP Mirrorless Digital Camera Black (Body Only)
Prepare to be inspired. The α7 IV's true-to-life resolution and remarkable AI-powered autofocus complement a range of world-class features at the cutting edge of imaging technology. Go beyond basic with 33-Megapixel full-frame sensor for outstanding still image and 4K movie quality
Features
- 33MP high-resolution full-frame sensor
The full-frame 33MP Exmor R back-illuminated CMOS sensor delivers outstanding speed and superb image quality. The use of copper wiring contributes to higher transmission speeds and faster AD (analogue to digital) conversion, while fast sensor readout enables 10-bit 4:2:2 4K recording up to 60p. The sensor also provides improved color reproducibility, low-noise performance at all sensitivities, 15+stop dynamic range and increased AF (autofocus) speed and precision performance. Experience improved levels of color gradation and detail rendering as well as soft, natural-looking human skin textures. - BIONZ XR image processor for up to 8x processing speed
The BIONZ XR engine, also used in the Sony Alpha 1 and Alpha 7S III models, provides up to an 8x increase in processing speed. The engine concentrates real-time processing of AF (autofocus), image recognition and image quality adjustment to minimize processing latency for greatly increased movie and still processing power. User interface, network and file management processing is distributed to deliver fast response regardless of real-time processing load. - Beautiful images with reduced noise
Building on the capabilities of the back-illuminated Exmor R image sensor, the powerful BIONZ XR processing engine reveals even higher subjective resolution combined with exquisite detail and texture even in medium and high sensitivity ranges. Impressively low levels of noise are achieved throughout the standard range of ISO 100-51200 (expandable to ISO 50-204800 for stills and ISO 100-102400 for movies). - Wide, 15-stop dynamic range
Taking advantage of the camera's full dynamic range of 15 stops, the Alpha7 IV uses image data from the sensor's 33-megapixels to render remarkably delicate detail in landscapes and scenery. This stunning image quality is based on Sony's unrivalled experience at the front lines of both still-image and movie creation. - 4K 60p recording, 4:2:2 10-bit recording
The Alpha 7 IV gives you an impressive range of video recording options. Full pixel readout without binning allows 4K 60p recording in Super 35 mode providing high-resolution smooth footage that can be edited to 2x and 2.5x slow-motion when rendered to 30p or 24p in post-production, and 4K 24p or 30p full pixel readout without binning in full-frame with 7K oversampling. For highly detailed and rich 4K content. - 7K oversampling for beautifully expressive, richly detailed images
Thanks to the increased 33MP resolution, the Alpha 7 IV oversamples 7K when recording full-frame 4K movies at up to 30p, resulting in high-resolution, highly detailed 4K for beautifully expressive, rich images. Select the mode that best suits your purpose, and let the camera deliver. - Beautiful color expression made simple, with S-Cinetone
The Alpha 7 IV supports S-Cinetone, based on expertise gained through development of the VENICE CineAlta professional cinema camera line. This look is responsible for the beautiful skin tones for which Cinema Line cameras like the FX9, FX6 and FX3 are widely acclaimed. It delivers natural mid-tones for healthy-looking skin color, plus soft colors and gorgeous highlights. It's easy to create a more expressive look for your movie imagery without post-editing, since S-Cinetone is processed in-camera. - Breathing Compensation for consistent angle of view when focusing
For the first time in the Sony Alpha series, the Alpha 7 IV provides compensation for focus breathing. Focus breathing is any change in a lens's angle of view that corresponds to changes in focus. Sony's original Clear Image Zoom technology is used to automatically maintain a consistent angle of view for more movie-like focus transitions. This feature can be used in conjunction with Active Mode image stabilization to shoot stable, consistent imagery. - Visualize depth of field with Focus Map
Answering requests from professional creators, the brand-new Focus Map feature lets you easily visualize depth of field (DOF) and which areas are in and out of focus when you're in movie mode. In use, focus information (depth map) is overlaid on the display of the live view in real time. Areas in focus and within the set DOF appear translucent, while areas out of focus behind the DOF appear blue and those in front of the DOF appear red. Focus Map can be used in autofocus and manual focus modes and greatly enhances the ability to check focus and map depth of field. - AF Assist for seamless transitions between AF and manual focus
The AF Assist function, inherited from the Cinema Line FX6, lets you seamlessly switch to and from autofocus and manual focus during movie shoots. When this feature is turned on, rotating the focus ring temporarily switches operation from autofocus to manual focus to allow you to deliberately shift your focus to a different subject. Autofocus is resumed when ring rotation stops. - Fast Hybrid AF with improved speed, precision and tracking
The Fast Hybrid AF system, combining 759 phase-detection AF points and 425 contrast-detection AF points with a wide coverage of roughly 94% of the image area for both stills and movies, has evolved even further to achieve greater speed, accuracy and tracking performance. This vast collection of data is analyzed in real time by the latest powerful BIONX XR processing engine to achieve the AF system's impressive results. - Instantly turn your Alpha 7 IV into a live streaming web camera
All it takes is a USB connection to turn the full-frame Alpha 7 IV into a high-performance webcam. There's no need for complicated advance setup; just connect the camera to a computer or smartphone via USB, select "Live Stream (USB Streaming)", and you're set. You can choose from four different output formats, including high-resolution 4K video and simultaneous internal recording is also available, giving you broad flexibility to cover a wide variety of needs. - Superior quality and smaller file sizes with XAVC HS
The XAVC HS recording format uses HEVC/H.265 encoding to achieve twice the compression efficiency of AVC/H.264 encoding for superior image quality and smaller space-saving file sizes. - 5-axis optical image stabilization
The Alpha 7 IV's in-body image stabilization allows effective use with a wide range of lenses. The high-precision stabilization unit and gyro sensors work with stabilization algorithms to achieve up to 5.5 steps of shutter-speed compensation to maximize the performance of the camera's 33MP sensor. The live monitor view shows the stabilized still image while the shutter button is half-pressed, an especially helpful feature when using a telephoto or macro lens, and it can be used in conjunction with the MF (manual focus) Assist and Focus Magnifier features. - Hand-held movie shooting with Active Mode
Active Mode uses the camera's stabilization unit, gyro sensors and sophisticated algorithms for highly effective in-camera optical image stabilization during movie shoots. The powerful processing engine precisely detects the required amount of compensation for smooth stabilization in all formats, including 4K, without compromising the Alpha 7 IV's compact size and mobility. And, because the gyro data is also recorded alongside the video, even more effective post-production stabilization can be applied for ultra-smooth shots using Catalyst Browse/Prepare software. - Smoother gradation rendering with 10-bit HEIF recording
The Alpha 7 IV offers HEIF (High Efficiency Image File) still-image encoding in addition to 14-bit RAW and conventional 8-bit JPEG. 10-bit color depth minimizes degradation of image quality when editing, providing smooth gradations and more realistic reproduction of skies and portrait subjects where subtle, natural gradation is essential. HEIF still images recorded in HLG mode can be played back on a compatible BRAVIA 4K TV, via an HDMI connection, to display images with an extraordinarily wide dynamic range. - 3.68 mega-dot high-definition Quad-VGA OLED viewfinder
The Alpha 7 IV features a 3.68 mega-dot high-definition Quad-VGA OLED viewfinder, providing roughly 1.6 times the resolution of the Alpha 7 III viewfinder, with a 37.3° field of view and a 23mm high eyepoint. With high resolution, improved electronic viewfinder image quality, fogging and dust resistance (including significantly improved internal fogging resistance relative to the Alpha 7 III), it is designed for clear and comfortable viewing in a wide range of shooting environments. - Vari-angle touch LCD monitor for greater freedom when shooting
The large, side-opening 3-inch 1.03-mega-dot touch-panel LCD monitor offers ample brightness for clear viewing in outdoor settings and its 3:2 aspect ratio makes efficient use of the display area. The vari-angle mechanism allows flexible positioning and framing for handheld shots, gimbal-mounted or documentary-style self-shooting, or very low ground-level shots. In addition, the touch functionality allows for fast and easy menu access in addition to advanced touch focus features for both still and movie. - AF control through touch operation
Touch operation is now possible for AF operations such as Touch Tracking during shooting. Along with pinch-to-zoom during playback, this translates into more intuitive operation. Touch Tracking lets you select a subject to track simply by touching the LCD screen, even while using the viewfinder, for more intuitive AF control for both still shots and movies. Easier focus operation is particularly helpful when you're shooting movies alone or using a gimbal, allowing you to concentrate on composing your shots. - Dual media slots
Dual media slots allow you to continue shooting even if one memory card fills up. Both slots support UHS-I and UHS-II SDXC/SDHC cards and one of the slots supports high-performance CFexpress Type A cards. With their fast write speeds, CFexpress Type A cards are particularly suited to high-resolution, high-speed continuous still shooting as well as high-resolution, high-bitrate 4K movie recording. - Reliable, robust engineering
The Alpha 7 IV has improved dust and moisture resistance to provide outstanding reliability even in challenging outdoor shooting environments. Design refinements include more sealing at body seams and the battery compartment cover, a redesigned lens lock button, and extra cushioning around the mount. A lightweight, high-rigidity magnesium alloy used for the camera's top cover, front cover, and internal frame provides excellent durability. - High-capacity Z batteries and USB Power Delivery
The Alpha 7 IV uses a high-capacity Z battery (NP-FZ100), along with optional external power options that include USB power supplies and AC adaptors. Battery drain can be minimized by adding a high-capacity mobile battery for extended shooting. A USB charger or mobile battery that supports USB PD can be connected to the camera's USB Type-C port, for extended recording.
California customers:
General
Live Streaming Ready
Yes
Type
Mirrorless
HDMI
Yes
Dust Resistant
Yes
Effective Pixels (MP)
33
Records Video
Yes
Records HD Video
Yes
Image Sensor Type
35 mm full frame (35.9 x 23.9 mm), Exmor R CMOS sensor
Video Resolution
4K
Touch Screen
Yes
Viewfinder Type
Electronic (Quad-VGA OLED)
Screen Resolution
1,036,800 dots
Connectivity
USB Type-C, 3.5mm jack
Face Detection
Yes
Maximum Resolution
4K
Camera Format
Full Frame
ISO Sensitivity
ISO 100-51200
Viewfinder Size
0.5
Viewfinder Resolution
3,686,400 dots
Viewfinder Coverage
100%
Image File Format
JPEG
Movie File Format
XAVC S, XAVC HS
External Flash Connection
Multi Interface Shoe
Operating Temperature
32 to 104 °F (0 to 40 °C)
Shutter Type
Mechanical shutter / Electronic shutter
In the Box
ILCE-7M4/B Camera Body, ALC-B1EM Body cap, FDA-EP18 Eyepiece cup, FA-SHC1M Multi Interface Shoe Cap, NP-FZ100 Rechargeable Battery, AC-UUD12 USB charger, Shoulder strap, USB-A to USB-C cable
Autofocus System
Fast Hybrid AF (phase-detection AF / contrast detection AF)
Focus Lock
Yes
Movie Audio Recording Format
LPCM 2 ch
Bluetooth
Yes
Battery Life (Approximately)
520 shots (still images), 170 mins (recording)
Body & Lens
No
Lens Mount
E-mount
White Balance
Auto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Flash / Underwater / Color Temperature (2500 to 9900 K) & color filter / Custom
Wi-Fi
Yes
Image Processor
BIONZ XR
Built-In Flash
Optional External Flash
Sensor Size
Full Frame
Focus Modes
AF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus
Image Stabilization
Yes
LCD Screen Size (in)
3
LCD Type
TFT
Red-Eye Reduction
Yes
Self Timer
Yes
Self Timer Delay
10 s delay, 5 s delay, 2 s delay, Continuous self-time, Bracketing self-timer
Shutter Speed
Still images: 1/8000 to 30 s, 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)
Storage Media
SD, SDHC, CFexpress Type A Memory Cards
Power Source
NP-FZ100 rechargeable battery
Approximate Weight
Unit Weight (lbs.)
3.36
Shipping Weight (lbs.)
7.58
Warranty Information
Labor Warranty
1 Year Limited
Parts Warranty
1 Year Limited
Approximate Dimensions
Height (in)
5.25
Width (in)
6.6
Depth (in)
3.88
Guides
Owner's Manual
Articles
Key Features
- Camera Body Only
- Fast Transfer Speed 2.4GHz/5GHz Wi-Fi
- 5-Axis In-Body Image Stabilization
- 3" Vari-Angle Touch-Screen LCD Display
- 33MP High-Resolution Full-Frame Sensor
- BIONZ XR Image Stabilization
- 4K60p Recording
- Fast Hybrid AF
- Improved Real-Time Eye AF
- Multiple Audio Input Options
- Dual Media Slots
- High-Capacity Z Batteries And USB Power Delivery
- Black Finish
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Sony Alpha a7 IV Mirrorless Digital Camera Body
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