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Sony camera From Wikipedia, the free encyclopedia
The Sony α7 IV (model ILCE-7M4) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony. It was announced[1] on 21 October 2021 as the successor to the Sony α7 III. Featuring a new 34.1MP (approx. total)[2] back-illuminated CMOS sensor inside, latest BIONZ XR™ image processor, Real-Time Eye AF tracking and 4K 60p video with Super 35mm mode[3]
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Overview | |
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Maker | Sony |
Released | October 21, 2021 |
Intro price | $2,499 USD body, $2,699 USD kit (28-70mm Zoom Lens) |
Lens | |
Lens mount | Sony E-mount |
Lens | Interchangeable |
Compatible lenses | Full-Frame and APS-C E-mount lenses |
Sensor/medium | |
Sensor type | BSI-CMOS |
Sensor size | 35.9 × 23.9 mm (Full frame type) |
Sensor maker | Sony Semiconductor Solutions Corporation |
Maximum resolution | 7008 × 4672 (33 megapixels) |
Recording medium | SD, SDHC, SDXC, CF Express Type A memory card |
Flash | |
Flash | No |
Flash synchronization | 1/250 second (Full-frame), 1/320 second (APS-C size) |
Flash bracketing | Sony Mi-Shoe Mount |
Shutter | |
Shutter | Mechanical, Electronic |
Shutter speeds | 1/8000 s to 30 s, BULB |
Continuous shooting | 10 frames per second |
Viewfinder | |
Viewfinder | Yes, 1.3 cm (0.5 type) Electronic Viewfinder |
Viewfinder magnification | Approx. 0.78× with 50 mm lens at infinity |
Frame coverage | 100% |
Image processing | |
Image processor | BIONZ XR |
General | |
LCD screen | 76 mm (3 in) with 1.03M dots |
Battery | NP-FZ100 Lithium-Ion rechargeable battery |
AV Port(s) | HDMI Type A (Full-size) |
Data Port(s) | USB 2.0 Micro-B, SuperSpeed 10 Gbps USB 3.2 Type-C, 5GHz/2.4.GHz Wi-Fi, Bluetooth 4.2 |
Dimensions | 131.3 by 96.4 by 79.8 mm (5.17 by 3.80 by 3.14 in) |
Weight | 658g |
Made in | Thailand and China |
Chronology | |
Predecessor | Sony α7 III |
Successor | Present model |
The camera features several advancements from its predecessor the Sony α7 III, also incorporating some pro features from the high-end Sony α1.
Dual memory card slots of the right side of the Sony α7 IV, the camera supports the operation while both card slots are occupied, both card slots supports UHS-I and UHS-II class SD cards
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Independent testing by Gerald Undone using Imatest 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.[17] 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.[17]
Camera is using in house developed AVC Video Format called XAVC. The format is compressed format, achieving balanced quality and file size. Recording in color depth of 10 bits and 4:2:2 chroma subsampling is possible with Sony's XAVC codec.
PAL modes and NTSC modes have different recording frame rates and record settings.[14][15][16][18]
File formats | Recording frame rate | Record setting | APS-C S35 mode
(Forced / available) |
---|---|---|---|
XAVC HS 4K | 50p | 200M 4:2:2 10-bit
150M 4:2:0 10-bit 100M 4:2:2 10-bit 75M 4:2:0 10-bit 45M 4:2:0 10-bit |
Forced |
XAVC S 4K | 50p | 200M 4:2:2 10-bit
150M 4:2:0 8-bit |
Forced |
25p | 140M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
XAVC S HD | 50p | 50M 4:2:2 10-bit
50M 4:2:0 8-bit 25M 4:2:0 8-bit |
Available |
25p | 50M 4:2:2 10-bit
50M 4:2:0 8-bit 16M 4:2:0 8-bit |
Available | |
100p | 100M 4:2:0 8-bit
60M 4:2:0 8-bit |
Available | |
XAVC S-I 4K | 50p | 500M 4:2:2 10-bit | Forced |
25p | 250M 4:2:2 10-bit | Available | |
XAVC S-I HD | 50p | 185M 4:2:2 10-bit | Available |
25p | 93M 4:2:2 10-bit | Available |
File formats | Recoding frame rate | Record setting | APS-C S35 Mode
(Forced / available) |
---|---|---|---|
XAVC HS 4K | 60p | 200M 4:2:2 10-bit
150M 4:2:0 10-bit 100M 4:2:2 10-bit 75M 4:2:0 10-bit 45M 4:2:0 10-bit |
Forced |
24p | 100M 4:2:2 10-bit
100M 4:2:0 10-bit 50M 4:2:2 10-bit 50M 4:2:0 10-bit 30M 4:2:0 10-bit |
Available | |
XAVC S 4K | 60p | 200M 4:2:2 10-bit
150M 4:2:0 8-bit |
Forced |
30p | 140M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
24p | 100M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
XAVC S HD | 60p | 50M 4:2:2 10-bit
50M 4:2:0 8-bit 25M 4:2:0 8-bit |
Available |
30p | 50M 4:2:2 10-bit
50M 4:2:0 8-bit 16M 4:2:0 8-bit |
Available | |
24p | 50M 4:2:2 10-bit
50M 4:2:0 8-bit |
Available | |
100p | 100M 4:2:0 8-bit
60M 4:2:0 8-bit |
Available | |
XAVC S-I 4K | 60p | 600M 4:2:2 10-bit | Forced |
30p | 300M 4:2:2 10-bit | Available | |
24p | 240M 4:2:2 10-bit | Available | |
XAVC S-I HD | 60p | 222M 4:2:2 10-bit | Available |
30p | 111M 4:2:2 10-bit | Available | |
24p | 89M 4:2:2 10-bit | Available |
Available Slow and Quick motion shooting modes in PAL and NTSC Mode:
File formats | Recoding frame rate | Final clip frame rate | Record setting
(XAVC S) |
APS-C S35 Mode
(Forced / available) |
---|---|---|---|---|
Slow and Quick
Motion |
50p | 50 fps
25 fps (2x Quick motion) 12 fps (4.16x Quick motion) 6 fps (8.33x Quick motion) 3 fps (16.66x Quick motion) 2 fps (25x Quick motion) 1 fps (50x Quick motion) |
200M 4:2:2 10-bit
150M 4:2:0 8-bit |
Forced |
25p | 50 fps (2x Slow motion)
25 fps 12 fps (2.08x Quick motion) 6 fps (4.16x Quick motion) 3 fps (8.33x Quick motion) 2 fps (12.5x Quick motion) 1 fps (25x Quick motion) |
140M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
100p | 100 fps
50 fps (2x Quick motion) 25 fps (4x Quick motion) 12 fps (8.33x Quick motion) 6 fps (16.66x Quick motion) 3 fps (33.33x Quick motion) 2 fps (50x Quick motion) 1 fps (100x Quick motion) |
100M 4:2:0 8-bit
60M 4:2:0 8-bit |
Available |
File formats | Recoding frame rate | Final clip frame rate | Record setting
(XAVC S) |
APS-C S35 Mode
(Forced / available) |
---|---|---|---|---|
Slow and Quck
Motion |
60p | 60 fps
30 fps (2x Quick motion) 15 fps (4x Quick motion) 8 fps (7.5x Quick motion) 4 fps (15x Quick motion) 2 fps (30x Quick motion) 1 fps (60x Quick motion) |
200M 4:2:2 10-bit
150M 4:2:0 8-bit |
Forced |
30p | 60 fps (2x Slow motion)
30 fps 15 fps (2x Quick motion) 8 fps (3.75x Quick motion) 4 fps (7.5x Quick motion) 2 fps (15x Quick motion) 1 fps (30x Quick motion) |
140M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
24p | 60 fps (2.5x Slow motion)
30 fps (1.25x Slow motion) 15 fps (1.6x Quick motion) 8 fps (3x Quick motion) 4 fps (6x Quick motion) 2 fps (12x Quick motion) 1 fps (24x Quick motion) |
140M 4:2:2 10-bit
100M 4:2:0 8-bit 60M 4:2:0 8-bit |
Available | |
120p (XAVC S HD Only) | 120 fps
60 fps (2x Slow motion) 30 fps (4x Quick motion) 15 fps (8x Quick motion) 8 fps (15x Quick motion) 4 fps (30x Quick motion) 2 fps (60x Quick motion) 1 fps (120x Quick motion) |
100M 4:2:0 8-bit
60M 4:2:0 8-bit |
Available |
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