Sony Alpha ILCE-A1 vs Olympus OM-D E-M1 Mark III Comparison



Let’s compare the Sony Alpha ILCE-A1 vs Olympus OM-D E-M1 Mark III.

Our comparison table below covers all the important specifications of each camera. In this side-by-side review, we will be comparing Sony Alpha ILCE-A1 and Olympus OM-D E-M1 Mark III. While Sony Alpha ILCE-A1 has 35mm sensor, Olympus OM-D E-M1 Mark III has 4/3 sensor and 50.1 has a 50.1 MP and Olympus OM-D E-M1 Mark III has a 20.4 MP resolution.

  Sony Alpha ILCE-A1 Olympus OM-D E-M1 Mark III
  Sony Alpha ILCE-A1 Front Olympus OM-D E-M1 Mark III Front
Sensor and Camera Features
Brand Sony Olympus
Megapixels 50.1 20.4
Sensor Type CMOS Live MOS
Sensor Format 35mm 4/3
SLR Type Mirrorless Mirrorless
Crop Factor 1.0x 2.0x
AA Filter Fixed None
Image Resolution 8640 x 5760 (49.8 MP, 3:2) 5184 x 3888 (20.2 MP, 4:3)
Body Image Stabilization Yes Yes
Native ISO Min 100 - Max 32000 Min 200 - Max 25600
Full ISO Settings AUTO, ISO 100 - 32000, expandable to ISO 50 - 102400 AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64, approx. 100) - 25600, 1/3 or 1 EV steps selectable
Startup Time
AF System and Shooting
Auto Focus Type Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF Advanced Dual FAST AF: Hybrid Phase-detect/Contrast-detect AF, 121 AF points, all cross-type; All target, group target (9-area or 5- area), single target, small target
Continuous Shooting Speed / Burst Mode AUTO, ISO 100 - 32000, expandable to ISO 50 - 102400 AUTO ISO: LOW (approx. 64) - 6400 with customizable upper limit (200 - 6400); Manual ISO: Low (approx. 64, approx. 100) - 25600, 1/3 or 1 EV steps selectable
Shutter Speed Range 1/32000 - 30 sec 1/32000 - 60 sec
Bulb Mode Yes Yes
JPEG Buffer Size 165
AW Buffer Size 155
Screen/viewfinder
LCD 3.0 3.0
LCD Resolution 1,440,000 dots (360,000 px) 1,037,000 dots (345,667 px)
Touchscreen Yes Yes
Articulating Screen Yes Yes
Tilt Swivel Screen No Yes
Selfie Screen No Yes
Top Deck Display No No
Focus Peaking Yes Yes
Viewfinder EVF / LCD EVF / LCD
Viewfinder Type EVF: 0.64" 9.44M-dot QXGA color OLED, 100% coverage, 0.90x magnification, 60/120/240fps refresh rates, -4.0 to +3.0 diopter, 25mm eyepoint from the eyepiece lens EVF; High-speed (120fps) low latency (6ms) 2.36M-dot LCD, 1.30x - 1.48x magnification, 100% coverage, 21mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking Yes Yes
Video Features
Video Resolution 7680x4320 (30p/​25p/​24p) 4096x2160 (24p)
Video File Format XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) MOV (MPEG-4 AVC/H.264 with stereo sound), AVI (Motion JPEG)
Memory Card Type SD / SDHC / SDXC / CFexpress SD / SDHC / SDXC
Dual Card Slot Yes Yes
SD UHS Support 2x CFexpress Type A+SD UHS-II Slot 1: UHS-II, Slot 2: UHS-I
Microphone Jack Yes Yes
Headphone Jack Yes Yes
Flash and Internal Connections
Built-in Flash No No
Max Flash Sync Speed 1/400s (1/500s APS-C crop mode) 1/250
Internal connections USB-C (USB 3.2 10Gbps), Type-D Micro HDMI, 1000Base-T Ethernet, 3.5mm Microphone and Headphone Jacks, Sync Terminal Micro HDMI (Type-D), USB 3.0 Type C with Power Delivery, 3.5mm external mic jack, 3.5mm external headphone jack, 2.5mm wired remote jack
Connectivity
Built-In Wi-Fi Yes Yes
NFC Yes No
Bluetooth Yes No
Built-In GPS No No
USB Type USB 2.0 High Speed,USB 3.0 Super Speed,Ethernet,Bluetooth,WiFi USB 3.0 Super Speed,WiFi
Physical
Battery Life (CIPA) 430 shots
Battery Types NP-FZ100 Lithium-ion rechargeable 1720mAh Lithium-ion rechargeable
Weight 26.0 oz (737 g) includes batteries 20.5 oz (580 g) includes batteries
Size 5.1 x 3.8 x 3.2 in. (129 x 97 x 81 mm) 5.3 x 3.6 x 2.7 in. (134 x 91 x 69 mm)
Price
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Release Date 2021-03-01 2020-02-24