The most technologically advanced, innovative camera that Sony has ever released, the Alpha a1 combines high-resolution and high-speed performance at a level never previously reached.

AT A GLANCE

• 50.1 MP Full frame stacked Exmor RS CMOS sensor with Integral Memory
• 8x more powerful2, next generation BIONZ XR image processing engine 66
• 50.1MP RAW+JPEG up to 30fps3 w/ 120 AF/AE calculations per sec. 4 62
• Blackout-free5 shooting up to 30fps3 from fast sensor readout speed 65
• World’s first6 240 fps refresh rate, 9.44M1 dot 0.64” QXGA OLED EVF 66
• World’s first6 anti-flicker mechanical and electronic shutter 60
• Dual drive mechanical shutter for up to 1/400 sec. flash sync 61
• Anti-distortion electronic shutter w/ flash sync7 up to 1/200 sec. 65
• Silent, vibration free electronic shutter w/ all-in-one Silent Mode 67
• Real-time AF tracking, Real-time Eye-AF (humans, animals, birds) 8 64
• 5-axis in-body image stabilization for 5.5-step9 advantage 57
• Active Mode10 image stabilization for smooth handheld movie shooting 66
• Low noise images w/ ISO up to 102,40011 and 15+stop dynamic range12 63
• Incredible autofocus w/ 759 phase detection AF points13, 92% coverage 67
• 8.6K oversampling for 8K14 30p 10-bit 4:2:0 HDR w/ no pixel binning 66
• Up to 4K 120p15 10-bit 4:2:2 and full pixel readout in all rec. modes 68
• Up to 4K 120p15 in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I) 67
• Up to 60p 4.3K 16-bit RAW movie output16 via HDMI Type-A connector 64
• 5.8K over sampling for 4K movie in Super 35mm format 52
• Picture Profiles including S-Cinetone, HLG and S-Log 2 & 3 58
• 10 pre-set creative looks w/ 8 customizable parameters 54
• No 29m 59s continuous recording limit for movie shooting
• Dual card slots, both compatible with CFexpress Type A and SDXC/SDHC 69
• Robust magnesium alloy body w/ dust and moisture resistant sealing17 66
• New menu layout w/ intuitive 3 level structure and touch operation 66
• 199MP18 Pixel Shift Multi shooting w/ flash sync.7 up to 1/200 sec. 64
• MI shoe w/ digital audio interface up to 4ch. 24bit capability19 62
• Long life Z-battery extendable via USB Type C with Power Delivery 65
• RAW file size options: Uncompressed, Lossless comp. and Compressed 66
• Anti-distortion shutter reduces rolling shutter effect by 1.5x19 62
• BIONZ XR, 

Type 35mm full frame (35.9 x 24.0mm), Exmor RS CMOS sensor

Number Of Pixels (Effective) Approx. 50.1 megapixels

Number of Pixels (total) Approx. 50.5 megapixels

Aspect Ratio 3:02

R, G, B primary color

Anti-Dust System Yes (Charge protection coating on Optical Filter and ultrasonic vibration mechanism)

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]35mm full frame L: 8640 x 5760 (49.7M), M: 5616 x 3744 (21M), S: 4320 x 2880 (12.4M),

• APS-C M: 5616 x 3744 (21M), S: 4320 x 2880 (12.4M)
• 35mm full frame L: 7680 x 5760 (44.2M), M: 4992 x 3744 (18.6M), S: 3840 x 2880 (11M),
• APS-C M: 4992 x 3744 (18.6M), S: 3840 x 2880 (11M)
• Image Size (pixels) [16:9]35mm full frame L: 8760 x 4864 (42M), M: 5616 x 3160 (17.7M), S: 4320 x 2432 (10.5M),
• APS-C M: 5616 x 3160 (17.7M), S: 4320 x 2432 (10.5M),
• 35mm full frame L: 5760 x 5760 (33M), M: 3744 x 3744 (14M), S: 2880 x 2880 (8.2M),
• APS-C M: 3744 x 3744 (14M), S: 2880 x 2880 (8.2M)
• Image Size (pixels) [Sweep Panorama]-
• Image Quality ModesRAW (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

RAW Output Yes

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

Recording Format XAVC S

• XAVC HS
• Video CompressionXAVC S: MPEG-4 AVC/H.264
• XAVC HS: MPEG-H HEVC/H.265
• Audio Recording Format LPCM 2ch(48kHz 16bit), LPCM 2ch(48kHz 24bit) *2 , LPCM 4ch(48kHz 24bit) *2 , MPEG-4 AAC-LC 2ch *3 
• 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

Image frame rateNTSC mode:

• 1fps,2fps,4fps,8fps,15fps,30fps,60fps,120fps, 240fps *5 *6 
• PAL mode:
• 1fps,2fps,3fps,6fps,12fps,25fps,50fps,100fps, 200fps *5 *6 

Movie Functions Yes

• Yes (1280 x 720 (Approx. 6Mbps), 1920 x 1080(Approx. 9Mbps), 1920 x 1080(Approx. 16Mbps))
• Yes (HDMI)

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: Multi slot for SD (UHS-I/II compliant) memory card / CFexpress Type A card
• Simult. Rec, Sort, Auto Switch Media, Copy
• FAT12, 16, 32, exFAT

Noise Reduction Long exposure NR: On/Off, available at shutter speeds longer than 1 sec.

High ISO NR: Normal / Low / Off

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

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

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

Focus Sensor Exmor RS CMOS sensor

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

Metering Mode Multi-segment

• Center-weighted
• Spot (Standard / Large)
• Spot
• Entire Screen Avg.
• Highlight

Exposure Modes AUTO (iAuto)

• Programmed AE (P)
• Aperture priority (A)
• Shutter-speed priority (S)
• Manual (M)

Movie (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode)

Slow & Quick Motion (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode)

• Exposure Compensation +/- 5.0EV (1/3 EV, 1/2 EV steps selectable) (with exposure compensation dial: +/- 3EV (1/3 EV steps))

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)

• ISO sensitivity (Recommended Exposure Index)Still images: ISO 100-32000 (ISO numbers up from ISO 50 to ISO 102400 can be set as expanded ISO range.), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-32000 equivalent, AUTO (ISO 100-12800, selectable lower limit and upper limit)

Clear Image Zoom Approx. 1.5x (4K), Approx. 2x (HD)

Digital Zoom 35mm full frame: M: approx. 1.5x, S: approx. 2x

• APS-C: S: approx. 1.3x

Digital Zoom 35mm full frame: L: approx. 4x, M: approx. 6.2x, S: approx. 8x

• APS-C: M: approx. 4x, S: approx. 5.2x
• Digital Zoom35mm full frame: approx. 4x
• APS-C: approx. 4x

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

• Auto / Mechanical shutter / Electronic shutter
• Shutter Speed [Still images, Single shot]
• Mechanical Shutter:1/8000 to 30 sec, Bulb,
• AUTO: 1/32000 to 30 sec, Bulb,
• Electronic Shutter: 1/32000 to 30 sec,
• [Still images, Continous shooting]
• Mechanical Shutter:1/8000 to 30 sec,
• AUTO: 1/32000 to 1/2 sec,
• Electronic Shutter: 1/32000 to 1/2 sec,

Included:

Rechargeable Battery NP-FZ100

Battery Charger BC-QZ1

Power cord

Cable Protector

Shoulder strap

Body cap

Accessory shoe cap

Eyepiece cup

USB-A to USB-C cable (USB 3.2)

Weight:  1.6 lb  or  737 g (With Battery, Recording Media)