The Sony α7 IV (model ILCE-7M4) is a

full-frame mirrorless interchangeable-lens camera A mirrorless camera (sometimes referred to as a mirrorless interchangeable-lens camera (MILC) or digital single-lens mirrorless (DSLM)) is a digital camera which, in contrast to DSLRs, does not use a mirror in order to ensure that the image ...

manufactured by

Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...

. It was announced on 21 October 2021 as the successor to the

Sony α7 III The Sony α7 III (model ILCE-7M3) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced on 26 February 2018 as the successor to the Sony α7 II and available April 10, 2018. Described by Sony as "the basic ...

. Featuring a new 34.1MP (approx. total) back-illuminated

CMOS Complementary metal–oxide–semiconductor (CMOS, pronounced "sea-moss ", , ) is a type of MOSFET, metal–oxide–semiconductor field-effect transistor (MOSFET) semiconductor device fabrication, fabrication process that uses complementary an ...

sensor inside, latest BIONZ XR™ image processor, Real-Time Eye AF tracking and 4K 60p video with Super 35mm mode

Features

The camera features several advancements from its predecessor the

, also incorporating some pro features from the high-end Sony α1. * 33 MP (approx. effective) full-frame BSI-

sensor * 759 Phase Detection AF Points and 425 Contrast Detection AF points * Featuring Real-time Continuous Eye-AF Tracking for Human, Animal & Bird * Improved UI Layout (New menu structure) compared to its predecessor * Closed mechanical shutter function (previously this feature debuted in α1) when the camera is turned off * Flip 3-inch LCD vari-angle touchscreen with 1.04 million dots * 3.69-million-dot resolution, 120 fps refresh rate EVF * 5-axis optical in-body image stabilisation with a 5.5 stops of shake reduction * 10 fps continuous shooting (mechanical or silent) * Live stream through the USB Type-C connector in 4K^(15 fps) and FHD^(60 fps) * 4K 60p recording in Super 35mm mode and up to 4K 30p recording with 7K oversampling is available in full-frame mode * 15-stop dynamic range * Slow & Quick motion features up to 120 fps * 4K oversampled video from 7K resolution in 30p video mode * Battery life with NP-FZ100 is rated at approx. 580 images using

LCD screen A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emi ...

and approx. 520 images using EVF * Native

ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me ...

range is 100-51,200 and extended ISO range is 50-204,800 * 10-bit HEIF image option (using ''.

heic High Efficiency Image File Format (HEIF) is a digital container format for storing individual digital images and image sequences. The standard covers multimedia files that can also include other media streams, such as timed text, audio and vide ...

'' container) * Continuous burst shoot 10 fps with Compressed Raw and 6 fps with Uncompressed Raw * Weather sealed,

magnesium alloy Magnesium alloys are mixtures of magnesium (the lightest structural metal) with other metals (called an alloy), often aluminium, zinc, manganese, silicon, copper, rare earths and zirconium. Magnesium alloys have a hexagonal lattice structur ...

body * No built-in

flash Flash, flashes, or FLASH may refer to: Arts, entertainment, and media Fictional aliases * The Flash, several DC Comics superheroes with super speed: ** Flash (Jay Garrick) ** Barry Allen ** Wally West, the first Kid Flash and third adult Flash ...

* Multi Interface (Mi Shoe) shoe with Sony's unique metal shoe * 3.68 million-dot (approx.) OLED Quad-VGA viewfinder is (1.6 times the resolution of the Alpha 7 III viewfinder) * Supports 4 different

video file format A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska ...

s (

XAVC XAVC is a recording format that was introduced by Sony on October 30, 2012. XAVC is a format that will be licensed to companies that want to make XAVC products. Technical details XAVC can use level 5.2 of H.264/MPEG-4 AVC, which when XAVC was i ...

HS 4K, XAVC S-I 4K, XAVC S 4K, XAVC S HD) * Dual SD Card Slots,

CFExpress CFexpress is a standard for removable media memory card, cards by the CompactFlash Association (CFA). The standard uses the NVM Express protocol over a PCI Express, PCIe interface. 3 different form factors are available, with 1 to 4 PCI-E lanes ...

Type A Slot (only SLOT 1)

Dynamic range and color independent testing

Independent testing by Gerald Undone using

Imatest Imatest LLC is a company that produces image quality testing software, equipment and test charts. Imatest was founded by photographer/engineer Norman Koren in Boulder, Colorado in 2004 to develop software for testing digital camera image quality. ...

software and a Xyla color range chart demonstrates a dynamic range of 12.8 stops of light, which is approximately 1/3 of a stop better than the Sony A7s iii and approximately the same as the Sony a1. It color matches fairly well with the Sony A7s iii and Sony a1, with the Sony A7s iii leaning a bit green, the Sony a1 a bit magenta, and this camera between the two (tested using DCS Labs -SW - CDM 28R - v15.2 A3 color chart) and with individual white balancing, the colors are very similar.

Video formats

Camera is using in house developed AVC Video Format called

. The format is compressed format, achieving balanced quality and file size. Recording in

color depth Color depth, also known as bit depth, is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel. When referring to a pixel, the concept can be defined as bit ...

of 10 bits and 4:2:2 chroma subsampling is possible with Sony's XAVC codec. * All Intra-frame system that compresses each

frame A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...

individually to achieve best quality. * When recording 4K movies in the XAVC HS format is an optional which is using a HEVC codec (

H.265 H is the eighth letter of the Latin alphabet. H may also refer to: Musical symbols * H number, Harry Halbreich reference mechanism for music by Honegger and Martinů * H, B (musical note) * H, B major People * H. (noble) (died after 12 ...

) and has high compression efficiency. ** The camera can record movies with higher image quality than XAVC S movies but the same data volume. * Camera can record in "Long GOP"

codec A codec is a computer hardware or software component that encodes or decodes a data stream or signal. ''Codec'' is a portmanteau of coder/decoder. In electronic communications, an endec is a device that acts as both an encoder and a decoder o ...

(

H.264 Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding. It is by far the most commonly used format for the recording, compression, and d ...

) compression, which is compressing multiple frames to reduce file size.

Video resolutions and modes

PAL modes and NTSC modes have different recording frame rates and record settings. Available Slow and Quick motion shooting modes in PAL and NTSC Mode:

References

External links