デジタルカメラ

ソニー、ミラーレス一眼α7IV発表! 3300万画素、4K60p動画(s35)、バリアングル液晶、$2499

ソニーは、ミラーレス一眼の新スタンダードモデル「α7IV」を発表しました! 爆売れしているa7IIIの後継機ということで期待されていたわけですが、主なスペックは、3300万画素、ISO拡張50-204800、4K60p動画(Super 35mm)、7Kノンクロップ4K30p、AF/AE追従10枚/秒連写、5.5段手振れ補正+アクティブ手振れ補正。UHS-II SDXCデュアルスロットで片方はCFexpress Type A兼用、バリアングル液晶(タッチスクリーン)、368万画素EVFなどなど。 待望の4K60P動画が撮影できるようになりましたが、残念ながらAPS-Cサイズにクロップされてしまう仕様。

さっそく、B&Hにはレビュー動画が投稿されました。

Image Sensor

Aspect Ratio

3:2

Number of Pixels (Effective)

Approx. 33.0 megapixels

Number of Pixels (total)

Approx. 34.1 megapixels

Sensor Type

35 mm full frame (35.9 x 23.9 mm), Exmor R CMOS sensor

Anti-Dust System

Yes (Charge protection coating on optical filter and image sensor shift mechanism)

Recording (still images)

Recording Format

JPEG (DCF Ver. 2.0, Exif Ver. 2.32, MPF Baseline compliant), HEIF (MPEG-A MIAF compliant), RAW (Sony ARW 4.0 format compliant)

Image Size (pixels) [3:2]

35 mm full frame L : 7008 x 4672 (33 M), M : 4608 x 3072 (15 M), S : 3504 x 2336 (8.2 M), APS-C M : 4608 x 3072 (15 M), S : 3504 x 2336 (8.2 M)

Image Size (pixels) [16:9]

35 mm full frame L : 7008 x 3944 (28 M), M : 4608 x 2592 (12 M), S : 3504 x 1968 (6.9 M), APS-C M : 4608 x 2592 (12 M), S : 3504 x 1968 (6.9 M)

Image Quality Modes

RAW (Compressed / Lossless Compressed / Uncompressed), JPEG (Extra fine / Fine / Standard / Light), HEIF (4:2:0 / 4:2:2) (Extra fine / Fine / Standard / Light), RAW & JPEG, RAW & HEIF

Picture Effect

Creative Style

Picture Profile

Yes (Off / PP1-PP11) Parameters: Black level, Gamma (Movie, Still, S-Cinetone, Cine1-4, ITU709, ITU709 [800%], S-Log2, S-Log3, HLG, HLG1-3), Black Gamma, Knee, Color Mode, Saturation, Color Phase, Color Depth, Detail, Copy, Reset

Dynamic Range Functions

Off, Dynamic Range Optimizer

COLOUR SPACE

sRGB standard (with sYCC gamut), Adobe RGB standard and Rec. ITU-R BT.2100 standard (BT.2020 gamut).1

14bit RAW

Yes

Creative Look

ST, PT, NT, VV, VV2, FL, IN, SH, BW, SE, Custom Look (1-6)

Image size (pixels) [4:3]

35 mm full frame L : 6224 x 4672 (29 M), M : 4096 x 3072 (13 M), S : 3120 x 2336 (7.3 M), APS-C M : 4096 x 3072 (13 M), S : 3120 x 2336 (7.3 M)

Image size (pixels) [1:1]

35 mm full frame L : 4672 x 4672 (22 M), M : 3072 x 3072 (9.4 M), S : 2336 x 2336 (5.5 M), APS-C M : 3072 x 3072 (9.4 M), S : 2336 x 2336 (5.5 M)

SOFT SKIN EFFECT

Yes

Recording (movie)

Recording Format

XAVC S, XAVC HS

Video Compression

XAVC S: MPEG-4 AVC/H.264, XAVC HS: MPEG-H HEVC/H.265

Audio Recording Format

LPCM 2 ch (48 kHz 16 bit), LPCM 2 ch (48 kHz 24 bit)2, LPCM 4 ch (48 kHz 24 bit)2, MPEG-4 AAC-LC 2 ch3

Creative Style

Picture Profile

Yes (Off / PP1-PP11) Parameters: Black level, Gamma (Movie, Still, S-Cinetone, Cine1-4, ITU709, ITU709 [800%], S-Log2, S-Log3, HLG, HLG1-3), Black Gamma, Knee, Color Mode, Saturation, Color Phase, Color Depth, Detail, Copy, Reset

Movie Functions

Audio Level Display, Audio Rec Level, PAL/NTSC Selector, Proxy Recording (1280 x 720 (Approx. 6 Mbps), 1920 x 1080 (Approx. 9 Mbps), 1920 x 1080 (Approx. 16 Mbps)), TC/UB, Auto Slow Shutter, Gamma Disp. Assist

Creative Look

ST, PT, NT, VV, VV2, FL, IN, SH, BW, SE, Custom Look (1-6)

MOVIE RECORDING SYSTEM (XAVC HS 4K)

3840 x 2160 (4:2:0, 10bit, NTSC) (Approx.): 60p (150 Mbps / 75 Mbps / 45 Mbps)5 6, 24p (100 Mbps / 50 Mbps / 30 Mbps)6, 3840 x 2160 (4:2:0, 10bit, PAL) (Approx.): 50p (150 Mbps / 75 Mbps / 45 Mbps)5, 3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.): 60p (200 Mbps / 100 Mbps)56, 24p (100 Mbps / 50 Mbps)6, 3840 x 2160 (4:2:2, 10bit, PAL) (Approx.): 50p (200 Mbps / 100 Mbps)5

MOVIE RECORDING SYSTEM (XAVC S-I 4K)

3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.): 60p (600 Mbps)56, 30p (300 Mbps)6, 24p (240 Mbps)3840 x 2160 (4:2:2, 10bit, NTSC) (Approx.): 60p (600 Mbps)56, 30p (300 Mbps)6, 24p (240 Mbps)6, 3840 x 2160 (4:2:2, 10bit, PAL) (Approx.): 50p (500 Mbps)5, 25p (250 Mbps) 6, 3840 x 2160 (4:2:2, 10bit, PAL) (Approx.): 50p (500 Mbps)5, 25p (250 Mbps)

MOVIE RECORDING SYSTEM (XAVC S-I HD)

1920 x 1080 (4:2:2, 10bit, NTSC) (Approx.): 60p (222 Mbps)6, 30p (111 Mbps)6, 24p (89 Mbps)6, 1920 x 1080 (4:2:2, 10bit, PAL) (Approx.): 50p (185 Mbps), 25p (93 Mbps)

COLOUR SPACE

Rec. ITU-R BT.2100 standard compatible (BT.2020 gamut)4

SLOW & QUICK MOTION (SHOOTING FRAME RATE)

NTSC mode: 1 fps, 2 fps, 4 fps, 8 fps, 15 fps, 30 fps, 60 fps, 120 fps8,7, PAL mode: 1 fps, 2fps, 3fps, 6fps, 12fps, 25fps, 50fps, 100fps8,7

SOFT SKIN EFFECT

Yes

USB Streaming

VIDEO DATA FORMAT

MJPEG, YUV4209

Video Resolution

3840 x 2160 (15p / 12.5p) / 1920 x 1080 (60p / 50p / 30p / 25p) / 1280 x 720 (30p / 25p)

AUDIO DATA FORMAT

LPCM 2 ch (16 bit 48 kHz)

SIMULTANEOUS INTERNAL RECORDING

Yes

Recording System

Location information Link from smartphone

Yes

Media

SD memory card, SDHC memory card (UHS-I/II compliant), SDXC memory card (UHS-I/II compliant), CFexpress Type A memory card

Memory Card Slot

SLOT1: Multi slot for SD (UHS-I/II compliant) memory card / CFexpress Type A card, SLOT2: Slot for SD (UHS-I/II compliant) memory card

Recording mode on 2 memory cards

Simult. Rec, Sort, Auto Switch Media, Copy

Noise Reduction

Noise Reduction

Long exposure NR: On/Off, available at shutter speeds longer than 1 s, High ISO NR: Normal / Low / Off

White Balance

White Balance Modes

Auto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Flash / Underwater / Color Temperature (2500 to 9900 K) & color filter / Custom

Shutter AWB Lock

Yes (Shut. Halfway Down / Cont. Shooting / Off)

Focus

Focus Type

Fast Hybrid AF (phase-detection AF / contrast-detection AF)

Focus Mode

AF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus

Focus Area

Wide / Zone / Center Fix / Spot / Expand Spot / Tracking

Focus Sensor

Exmor R CMOS sensor

FOCUS POINT

35 mm full frame: 759 points (phase-detection AF), APS-C mode with FF lens: 713 points (phase-detection AF), with APS-C lens: 575 points (phase-detection AF) / 425 points (contrast-detection AF)

Focus Sensitivity Range

EV-4 to EV20 (ISO100 equivalent with F2.0 lens attached)

Other Features

Predictive control, Focus lock, AF Track Sens. (Still), AF Subj. Shift Sensitivity (Movie), AF Transition Speed (Movie), Switch V/H AF Area, AF Area Regist., Circ. of Focus Point, Focus Map (Movie), AF Assist (Movie)

AF illuminator

Yes (with Built-in LED type)

AF Illuminator range

Approx. 0.3 m – approx. 3.0 m (with FE 28-70 mm F3.5-5.6 OSS lens attached)

Focus type with LA-EA3 (Sold separately)

Phase-detection

EYE AF

[Still images] Human (Right/Left Eye Select) / Animal (Right/Left Eye Select) / Bird, [Movie] Human (Right/Left Eye Select) / Animal (Right/Left Eye Select) / Bird

Exposure

Exposure Compensation

+/- 5.0 EV (1/3 EV, 1/2 EV steps selectable)

Metering Type

1200-zone evaluative metering

Metering Sensor

Exmor R CMOS sensor

METERING SENSITIVITY

EV-3 to EV20 (at ISO100 equivalent with F2.0 lens attached)

Metering Mode

Multi-segment, Center-weighted, Spot (Standard / Large), Entire Screen Avg., Highlight

Exposure Bracketing

Bracket: Cont., Bracket: Single, 3/5/9 frames selectable. (Ambient light, Flash light)

AE Lock

Locked when shutter button is pressed halfway. Available with AE lock button. (On/Off/Auto)

EXPOSURE MODES

[Still images] Intelligent Auto (Auto) / Program Auto (P) / Aperture Priority (A) / Shutter Priority (S) / Manual Exposure (M), [Movie] Intelligent Auto (Auto) / Program Auto (P) / Aperture Priority (A) / Shutter Priority (S) / Manual Exposure (M) / Flexible Exp. Mode, [Slow & Quick Motion] Intelligent Auto (Auto) / Program Auto (P) / Aperture Priority (A) / Shutter Priority (S) / Manual Exposure (M) / Flexible Exp. Mode

ISO Sensitivity (Recommended Exposure Index)

Still images: ISO 100-51200 (ISO numbers from 50 to 204800 can be set as expanded ISO), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-51200 equivalent (ISO numbers up to 102400 can be set as expanded ISO), AUTO (ISO 100-12800, selectable lower limit and upper limit)

Scene Selection

Anti-flicker Shoot

Yes

Viewfinder

Viewfinder Type

1.3 cm (0.5 type) electronic viewfinder (Quad-VGA OLED)

Field Coverage

100%

Magnification

Approx. 0.78x (with 50 mm lens at infinity, -1m)

Eye Point

Approx. 23 mm from the eyepiece lens, 18.5 mm from the eyepiece frame at -1m-1 (CIPA standard)

Number of Dots

3 686 400 dots

Dioptre Adjustment

-4.0 to +3.0 m1

Finder Frame Rate Selection

STD 60 fps / HI 120 fps

Display Function

Histogram, Real-time image-adjustment display, Digital level gauge, Grid line, Focus check, Peaking MF, Zebra, Movie marker, Emphasized display during REC

LCD Screen

Monitor Type

7.5 cm (3.0-type) type TFT

Number of Dots

1 036 800 dots

Touch Panel

Yes

Brightness Control

Manual (5 steps between -2 and +2), Sunny Weather mode

Adjustable Angle

Opening Angle: Approx. 176 °., Rotation Angle: Approx. 270 °.

Focus Magnifier

Yes, Focus Magnifier (35 mm full frame: 5.5x / 11.0x, APS-C: 3.6x / 7.2x)

Shutter

type

Electronically-controlled, vertical-traverse, focal-plane type

Shutter Type

Mechanical shutter / Electronic shutter

SHUTTER SPEED

Still images: 1/8000 to 30 s, Bulb, Movies (NTSC mode): 1/8000 to 1/4 (1/3 steps), up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode), Movies (PAL mode): 1/8000 to 1/4 (1/3 steps), up to 1/50 in AUTO mode (up to 1/25 in Auto slow shutter mode)

Flash Sync. Speed

1/250 s (35 mm full frame), 1/320 s (APS-C)10

Electronic Front Curtain Shutter

Yes (ON/OFF)

Silent Shooting

Yes (ON/OFF)

Flash Control

Control

Pre-flash TTL11

Flash compensation

+/- 3.0 EV (switchable between 1/3 and 1/2 EV steps)

Flash Modes

Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction (on/off selectable), Wireless12, Hi-speed sync.12

Recycling Time

External Flash Compatibility

Sony α System Flash compatible with Multi Interface Shoe, attach the shoe adaptor for flash compatible with Auto-lock accessory shoe

FE Level Lock

Yes

Wireless Control

Yes (Light signal: Available with Fill-flash, Slow Sync., Hi-speed sync. / Radio signal: Available with Fill-flash, Rear Sync., Slow Sync., Hi-speed sync.)

Drive

Self-timer

10 s delay / 5 s delay / 2 s delay / Continuous self-time / Bracketing self-timer

DRIVE MODES

Single Shooting, Continuous shooting (Hi+/Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single,Bracket: Cont., White Balance bracket, DRO bracket

Continuous Drive Speed (approx. max.)

Continuous shooting: Hi+: 10 fps, Hi: 8 fps, Mid: 6 fps, Lo: 3 fps13

No. of recordable frames (approx.)

JPEG Extra fine L: over 1000 frames, JPEG Fine L: over 1000 frames, JPEG Standard L: over 1000 frames, RAW: over 1000 frames, RAW & JPEG: over 1000 frames, RAW (Lossless Compressed): over 1000 frames, RAW (Lossless Compressed) & JPEG: over 1000 frames, RAW (Uncompressed): over 1000 frames, RAW (Uncompressed) & JPEG: 828 frames13

Pixel Shift Multi Shooting

Size & Weight

Dimensions (W x H x D)

Approx. 131.3 mm x 96.4 mm x 79.8 mm, approx. 131.3 mm x 96.4 mm x 69.7 mm (From grip to monitor) (approx. 5 1/4 x 3 7/8 x 3 1/4 inches, approx. 5 1/4 x 3 7/8 x 2 3/4 inches (From grip to monitor))

Weight (with battery and memory card included)

Approx. 658 g (approx. 1 lb 7.3 oz)

WHAT’S IN THE BOX

WHAT’S IN THE BOX

Rechargeable Battery NP-FZ100, AC adaptor,Power cord, Shoulder strap, Body cap, Accessory shoe cap, Eyepiece cup, USB-A to USB-C cable (USB 3.2)

Other Features

PlayMemories Camera Apps™

Clear Image Zoom

Still images: Approx. 2x, Movies: Approx. 1.5x (4K), Approx. 2x (HD)

Digital Zoom

Smart zoom (Still images): 35 mm full frame: M: approx. 1.5x, S: approx. 2x, APS-C: S: approx. 1.3x, Digital zoom (Still images): 35 mm full frame: L: approx. 4x, M: approx. 6x, S: approx. 8x, APS-C: M: approx. 4x, S: approx. 5.3x, Digital zoom (Movie): 35 mm full frame: approx. 4x, APS-C: approx. 4x

Face Detection

Modes: Face/Eye Priority in AF, Face Priority in Multi Metering, Regist. Faces Priority

Self-Portrait Self-Timer

Others

Image Stabilization

type

Image Sensor-Shift mechanism with 5-axis compensation (Compensation depends on lens specifications)

Compensation Effect

5.5 stops (based on CIPA standard. Pitch/yaw shake only. With Planar T* FE 50 mm F1.4 ZA lens mounted. Long exposure NR off.)

Print

Compatible Standards

Exif Print, Print Image Matching III

Custom function

type

Custom key settings, My Menu, My Dial Settings, Reg Cust Shoot Set, Programmable Setting (Body 9 sets / memory card 12 sets)

Lens Compensation

Setting

Peripheral Shading, Chromatic Aberration, Distortion, Breathing (Movie)

Others

Operating Temperature

0 – 40 ℃ / 32 – 104 °F

Audio

Microphone

Built-in, stereo

Speaker

Built-in, monaural

Interface

Multi Interface Shoe

Yes (with Digital Audio Interface)15

PC Interface

Mass-storage / MTP

Multi / Micro USB Terminal

Yes14

Bluetooth

Yes (Bluetooth Standard Ver. 4.1 (2.4 GHz band))

Mic Terminal

Yes (3.5 mm Stereo minijack)

Sync terminal

Headphone Terminal

Yes (3.5 mm Stereo minijack)

Vertical Grip Connector

Yes

LAN Terminal

Functions

FTP Transfer Func. (Wired LAN(USB-LAN), USB Tethering, Wi-Fi), View on Smartphone, Remote control via Smartphone, PC Remote, BRAVIA Sync (Control for HDMI), PhotoTV HD

Playback

Photo Capture

Yes

Modes

Single (with or without shooting information Y RGB histogram & highlight / shadow warning), Index view, Enlarged display mode (L: 19.5x, M: 12.8x, S: 9.7x), Auto Review, Image orientation, Folder selection (Date / Still / Movie), Protect, Rating, Display as Group, Shot Mark (Movie), Divider Frame, Crop

Accessibility

SCREENREADER

Yes (Language: English, Speed: 7 steps, Volume: 16 steps)16

Power

USB Power Supply

Yes (Available with USB Type-C Terminal. USB Power Delivery compatible)

Supplied Battery

One rechargeable battery pack NP-FZ100

Battery Life (Still Images)

Approx. 520 shots (Viewfinder) / approx. 580 shots (LCD monitor) (CIPA standard)17

Battery Life (Movie, actual recording)

Approx. 100 min (Viewfinder) / Approx. 110 min (LCD monitor) (CIPA standard)18

Battery Life (Movie, continuous recording)

Approx. 170 min (Viewfinder) / Approx. 175 min (LCD monitor) (CIPA standard)

Internal Battery Charge

Yes (Available with USB Type-C Terminal. USB Power Delivery compatible)

Power consumption with Viewfinder

Still images: approx. 3.8 W (with FE 28-70 mm F3.5-5.6 OSS lens attached), Movies: approx. 5.7 W (with FE 28-70 mm F3.5-5.6 OSS lens attached)

Power consumption with LCD screen

Still images: approx. 3.4 W (with FE 28-70 mm F3.5-5.6 OSS lens attached), Movies: approx. 5.6 W (with FE 28-70 mm F3.5-5.6 OSS lens attached)

Lens

Lens mount

E-mount

新CPU「M1 Pro/Max」搭載で2倍速くなった「MacBook Pro」発表。ファンクションキー復活!SDスロットやHDMI端子も搭載!前のページ

Steam、オータムセールは11月24日開始でウィンターセールは12月22日開始と発表次のページ

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コメント

  • コメント (3)

  • トラックバックは利用できません。

    •  
    • 2021年 10月 23日

    そろそろ進化が限界なのかね。

    • 匿名
    • 2021年 10月 25日

    むしろここ最近の進化が凄すぎた

    • 匿名
    • 2021年 10月 25日

    キャンペーン期間は、失地挽回の為、値下がりするかもなぁ。
    でも、給料日前の状況が続いていたら、ソニーの思惑通りだ。
    最大の収穫でも、実質、値打ちが下がることさえあるなぁ。
    しかしね、品薄感が、ソニーの評価を上げることも考えなきゃ。
    ごめん、ごめん、不特定多数の読者が読んでるんだったね。
    悩みは「金は天下の周りもの」というし、勉強して手を打つよ。

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