| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 42.4 MP | 22.3 MP |
| Sensor Type | CMOS | CMOS |
| Display Type | TFT | - |
| Display Size | 3 inch | 3.2 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | Yes | No |
| general |
| Brand | Sony | Canon |
| Model | ILCE 7RM3 42.4MP DSLR Camera | EOS 5D Mark III 22.3MP DSLR Camera |
| Model Name | ILCE 7RM3 | EOS 5D Mark III |
| Model Number | ILCE 7RM3 | EOS 5D Mark III |
| Series | Alpha | - |
| Color | Black | Black |
| Minimum Illumination | Yes with Built-in LED type | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 42.4 MP | 22.3 MP |
| Dimensions(WxHxD) | 126.9 x 95.6 x 73.7 mm | 116.4 x 152 x 76.4 mm |
| Weight | 657 GM | 950 GM |
| Face Detection | Yes | Yes |
| Temperature | 0 to 40 | 0 to 40 |
| Ports | Yes SuperSpeed USB USB 3.1 Gen 1 compatible | Mini HDMI |
| Accessory Shoe | Auto-lock | - |
| SLR Variant | - | Body Only |
| Tripod Socket | - | Yes |
| sensor features |
| Sensor Type | CMOS | CMOS |
| Sensor Size | 35.9 x 24 mm | 22.3 x 14.9 mm |
| Maximum ISO | 32000 ISO | 12800 ISO |
| Maximum FPS | 100 | - |
| Sensor Technology | Exmor R CMOS sensor | - |
| ISO Rating | - | ISO 100 - 12800 |
| lens features |
| Lens Mount | E-mount | Canon EF Mount |
| Digital Zoom | 4x | - |
| Compatible Lens | Sony E-mount lenses | - |
| Manual Focus | - | Yes |
| Color Filter | - | Primary RGB Color Filter |
| Dust Reduction | - | Yes |
| Other Lens Features | - | Canon EF Compatible Lenses, Depth-of-field Preview |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | 1.3 cm 0.5-type electronic viewfinder colour, Quad-VGA OLED | Eye-level Pentaprism |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | approx. 0.78 x with 50 mm lens at infinity, -1 m-1 | - |
| Viewpoint Dioptric Adjustment | -4.0 to +3.0m-1 | - |
| Viewfinder Eye Point | 23 mm | - |
| focus features |
| Focus Mode | AF-A Automatic AF, AF-S Single-shot AF, AF-C Continuous AF, DMF Direct Manual Focus, Manual Focus | - |
| Focus Range | EV-3 to EV20 ISO100 equivalent with F2.0 lens attached | - |
| Auto Focus | Yes | Yes |
| Focus Points | 35 mm full frame 399 points phase-detection AF, APS-C mode with full frame lens 323 points phase-detection AF, with APS-C lens 255 points phase-detection AF / 425 points contrast-detection AF | - |
| Metering Modes | Multi-segment, Centre-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight | Evaluative Metering with the Image Sensor |
| White Balancing | Auto / Daylight / Shade / Cloudy / Incandescent / FluorescentWarm White / Cool White / Day White / Daylight/ Flash / Underwater/ Colour Temperature2500 to 9900K & colour filterG7 to M7 57-step, A7 to B7 29-step/ Custom | Auto, Preset Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, Color Temperature Setting, White Balance Correction, and White Balance Bracketing, Flash Color Temperature Information Transmission Enabled |
| Other Focus Features | - | Manual focusing 5x, 10x Magnification, Closest Focusing Distance 0.45m, Zoom Magnification 1.5x - 10x |
| exposure features |
| Exposure Mode | 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 , Slow & Quick Motion Programmed AE P / Aperture priority A / Shutter-speed priority S / Manual M | - |
| AE Lock/Exposure Lock | Yes | - |
| Spot Meter | Yes | - |
| Exposure Compensation | +/- 5.0EV 1/3 EV, 1/2 EV steps selectable, with exposure compensation dial +/- 3EV 1/3 EV steps | 3 EV in Increments of 1/3 EV or 1/2 EV |
| Manual Exposure | Yes | Yes |
| Dynamic Range Adjustment | Yes | - |
| Other Exposure Features | - | Exposure Control Autoexposure, Shutter-priority AE, Aperture-priority AE |
| shutter features |
| Shutter Type | Electronically-controlled, vertical-traverse, focal-plane type | - |
| Shutter Speed | Still images1/8000 to 30 seconds, Bulb, Movies 1/8000 to 1/4 1/3 steps up to 1/60 in AUTO mode up to 1/30 in Auto slow shutter mode | 1/8000 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | Continuous shooting Hi+ max. 10 fps, Hi max. 8 fps, Mid max. 6fps, Lo max. 3 fps 5 | Yes, 6 fps High Speed, 3 fps Low Speed, 3 fps Silent Mode |
| flash features |
| Built-in Flash | Yes | - |
| External Flash | Yes | Yes |
| Flash Modes | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction on/off selectable, Wireless4, Hi-speed sync.4 | E-TTL II Auto Flash, Metered Manual |
| Flash Compensation | 3.0 EV switchable between 1/3 and 1/2 EV steps | - |
| Other Flash Features | Sony α System Flash compatible with Multi Interface Shoe, attach the shoe adaptor for flash compatibility with the Auto-lock accessory shoe | Compatible Speedlites EX-series Speedlites, External Speedlite Control, PC Terminal, |
| image features |
| Image Format | JPEG DCF Ver. 2.0, Exif Ver.2.31, MPF Baseline compliant, RAW Sony ARW 2.3 format | JPEG, RAW, RAW JPEG, DCF |
| Aspect Ratio | 30200 AM | - |
| Gross Pixel | 43.6 MP | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 35 mm full-frame L 7952 x 5304 42M, M 5168 x 3448 18M, S 3984 x 2656 11M, APS-C L 5168 x 3448 18M, M 3984 x 2656 11M, S 2592 x 1728 4.5M | - |
| display features |
| Display Type | TFT | - |
| Display Size | 3 inch | 3.2 inch |
| Display Resolution | 14,40,000 dots | - |
| Touch Screen | Yes | No |
| LCD Display | TFT | - |
| LCD Display Image Resolution | 1440000 dots | - |
| Other Display Features | Rule of 3rds Grid/Square Grid/Diag. + Square Grid/Off, Movie Marker, Centre/Aspect/Safety Zone/Guideframe, WhiteMagic Grid Line | Movie Playback, Image Rotate Playback, Slide Show, Image Protect, Copying Images, Maximum Magnification 0.23x |
| connectivity features |
| USB | Yes | - |
| Wifi | Yes | No |
| Wireless Connectivity | Wi-Fi Compatible, IEEE 802.11b/g/n2.4GHz band, View on Smartphone Yes, Send to Computer Yes, View on TV 8 | - |
| storage and power features |
| Card Type | Memory Stick PRO Duo Memory Stick PRO-HG Duo Memory Stick Micro M2, SD memory card, SDHC memory card UHS-I/II compliant, SDXC memory card UHS-I/II compliant, microSD memory card, microSDHC memory card, microSDXC memory card | - |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | Lithium ion |
| Battery Life | Approx. 530 shots Viewfinder / approx. 650 shots LCD monitor CIPA standard10 | - |
| Number of Batteries | 1 | - |
| audio and video features |
| Microphone | Built-in stereo microphone or XLR-K2M/XLR-K1M/ECM-XYST1M sold separately | - |
| Speaker | Built-in, monaural | - |
| Audio Features | XAVC S LPCM 2ch, AVCHD Dolby Digital AC-3 2ch, Dolby Digital Stereo Creator | - |
| Video Format | XAVC S, AVCHD format Ver. 2.0 compliant | MOV, MPEG-4 AVC / H.264 |
| Video Resolution | - | 1920 x 1080 |
| modes and functions features |
| HD Support | Yes | - |
| Silent Shooting | Yes ON/OFF | - |
| 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 | - |
| Macro Mode | Yes G7 to M7,57-stepA7 to B7,29-step | - |
| Shooting Modes | - | Auto, Program AE, Shutter Priority AE, Aperture Priority AE, Manual, Custom x3, HDR Shooting, Live Mode, Face Detection Live Mode Contrast Detection, Quick Mode Phase-difference Detection, Shooting Modes Ratio 32, 43, 169, 11 |