Canon EOS R100 vs Canon EOS Rebel T3i

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      Specifications

      General Canon EOS R100 Canon EOS Rebel T3i
      BrandCanonCanon
      ModelEOS R100EOS Rebel T3i
      Predecessor ModelCanon EOS Rebel T2i
      Successor ModelCanon EOS Rebel T4i
      MSRP$480 (body only), $600 (w/18-45mm lens), $830 (w/18-45mm and 55-210mm lenses)
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeMirrorlessDSLR
      Video Capture
      Sensor Canon EOS R100 Canon EOS Rebel T3i
      Sensor TypeCMOSCMOS
      Sensor SizeAPS-CAPS-C
      Sensor Dimensions22.3 x 14.9 mm22.3 x 14.9 mm
      Total Pixels25.8 Megapixel18.7 Megapixel
      Effective Pixels24.1 Megapixel18.0 Megapixel
      Low Pass Filter
      Native ISO Range100 - 12,800100 - 6,400
      Boosted ISO Range100 - 25,600100 - 12,800
      Photo Canon EOS R100 Canon EOS Rebel T3i
      ProcessorDIGIC 8DIGIC 4
      Max Image Resolution6000 x 40005184 x 3456
      Other Resolutions5184 x 2912, 4608 x 3456,3456 x 3456, 3456 x 2304, 3456 x 1944, 3072 x 2304, 2592 x 1728, 2592 x 1456, 2304 x 1728, 2304 x 2304, 1920 x 1280, 1920 x 1080, 1728 x 1728, 1696 x 1280, 1280 x 1280, 720 x 480, 720 x 400, 640 x 480, 480 x 480
      Image Aspect Ratios3:21:1, 4:3, 3:2, 16:9
      Image File FormatRAW, C-RAW, JPEG
      JPEG Quality LevelsFine, Normal
      Color SpacesRGB, Adobe RGBsRGB, Adobe RGB
      Timelapse Recording
      White BalancePresets: Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (White), Shade, TungstenAuto, Cloudy, Custom, Daylight, Flash, Fluorescent (White), Shade, Tungsten
      WB Bracketing3 frames in either blue/amber or magenta/green axis
      Focus Canon EOS R100 Canon EOS Rebel T3i
      Focusing SystemDual Pixel CMOS AFDual Pixel CMOS AF
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Tracking
      Single
      Continuous
      Face Detection
      Live View      		Multi-area
      Selective single-point
      Single
      Continuous
      Face Detection
      Live View
      Lens ServoContinuous-Servo AF, Manual Focus, Single-Servo AFContinuous-servo AF (C), Manual Focus (M), Single-servo AF (S)
      AF Detection Range-4 to +20 EV-0.5 to +18 EV
      Number of Focus Points1439
      Number of Cross-type Focus Points1
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Focusing ScreenFixed
      Optics Canon EOS R100 Canon EOS Rebel T3i
      Lens MountCanon RFCanon EF/EF-S
      Crop Factor1.6x1.6x
      Image Stabilization
      Digital Image Stabilization
      Screen Canon EOS R100 Canon EOS Rebel T3i
      Screen TypeFixedFully Articulated
      Screen TechnologyTFT color LCD, liquid-crystal
      Touch Screen
      Selfie & Vlogger Friendly LCD Screen
      Screen Size3.0"3.0"
      Screen Resolution1,040k dot1,040k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Canon EOS R100 Canon EOS Rebel T3i
      ViewfinderElectronic (OLED)Optical (pentamirror)
      Viewfinder Size0.39"
      Viewfinder Coverage100%95%
      Viewfinder Magnification0.95x0.85x
      Viewfinder Magnification (35mm equivalent)0.59x0.53x
      Viewfinder Resolution2,360k dot
      Viewfinder Eyepoint22 mm19 mm
      Diopter Adjustment-3 to +1
      Shutter Canon EOS R100 Canon EOS Rebel T3i
      Shutter TypeElectronic 1st curtain, Electronic
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/4000 sec1/4000 sec
      Max Shutter Speed (Electronic)1/4000 sec
      Max Continuous Shooting (Mechanical or 1st Curtain)6.5 fps
      Max Continuous Shooting6.5 fps3.7 fps
      Continuous Shooting Resolution/fps/bufferElectronic Shutter
      Up to 6.5 fps at 24.1 MP for up to 100 Frames (JPEG) / 6 Frames (Raw)
      Flash Canon EOS R100 Canon EOS Rebel T3i
      Built-in Flash
      Flash ModesAuto
      Fire
      Off
      E-TTL II flash metering (Evaluative (Face Priority) / Evaluative / Average)      		Auto
      Manual flash
      Integrated Speedlite Transmitter
      Flash Range6m at ISO 10013.00 m
      Max Flash Sync Speed1/250 sec1/200 sec
      Flash Compensation-2 to +2 EV (1/3 EV Steps)-2 to +2 EV (in 1/3 or 1/2 EV steps)
      External Flash Connectivity
      External Flash SystemE-TTL II with EX and EL series Speedlites, wireless multi-flash supportE-TTL II with EX series Speedlites, wireless multi-flash support
      External Flash ConnectionHot ShoeHot Shoe
      Exposure Canon EOS R100 Canon EOS Rebel T3i
      Exposure Metering ModesMulti
      Center-weighted
      Spot
      Partial      		Multi
      Center-weighted
      Spot
      Partial
      Exposure ModesAperture Priority, Auto, Manual, Program, Shutter PriorityModes: Aperture Priority, Manual, Program, Shutter Priority
      Metering Range-2 to +20 EV+1 to +20 EV
      Exposure Compensation±3 EV (1/3 EV increments)±5 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing ±2 EV (3 shots at 1/3 EV increments) ±2 EV (3 shots at 1/3 EV, 1/2 EV increments)
      Exposure LockAutomatic AE lock
      In One-Shot AF mode, AE is locked as soon as subjects are in focus.
      Manual AE lock
      By using the AE Lock button in P, Tv, Av, and M mode.
      Toggling: Press again to cancel and once more to refresh.
      Enabled in all metering modes      		Auto: Applied in One-Shot AF mode with evaluative metering when focus is achieved
      Manual: By AE lock button
      DXO Canon EOS R100 Canon EOS Rebel T3i
      DxO Low Light ISO793
      DxO Color Depth22.1
      DxO Dynamic Range11.5
      DxO Overall Score65
      Video Canon EOS R100 Canon EOS Rebel T3i
      Movie File FormatMP4
      Audio File FormatAAC
      Internal Recording ModesH.264/MPEG-4 AVC 8-Bit
      4K UHD: 3840 x 2160 @ 23.98/25 fps
      Full HD: 1920 x 1080 @ 23.98/25/29.97/50/59.94 fps
      HD: 1280 x 720 @ 50/59.94/100/119.88 fps      		Yes, NTSC/PAL
      Interval Recording
      Video FormatsMPEG-4, H.264MPEG-4, H.264
      Max Video Resolution3840 x 21601920 x 1080
      External Recording Modes4K UHD: 3840 x 2160 @ 23.98p/25p
      Full HD: 1920 x 1080 @ 50i/50p/59.94i/59.94p
      SD: 576p50, 480p59.94
      Webcam Functionality
      Unlimited Video Recording
      Recording Limit30 min
      IP Streaming
      Terminals Canon EOS R100 Canon EOS Rebel T3i
      Audio I/O1 x 1/8" / 3.5 mm TRS Stereo Microphone Input on Camera Body
      Other I/O1 x USB-C (USB 2.0) Input/Output
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Micro Mini
      SpeakerMono
      Built-in MicrophoneStereoMono
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Canon EOS R100 Canon EOS Rebel T3i
      Built-in GPS
      Built-In Wi-Fi Eye-Fi Connection possible
      Wi-Fi Version802.11b/g, 2.4 GHz
      Built-In Bluetooth
      Mobile App Compatible: Android & iOS
      *As of May, 2023: Check with manufacturer for the most up-to-date compatibility
      Remote Control via Smartphone, via BR-E1 remote controller) E3 connector, InfraRed (The EOS Rebel T3i has a remote control terminal for Remote Switch RS-60E3, Compatible with Remote Controller RC-6, RC-1 and RC-5)
      Environmental Canon EOS R100 Canon EOS Rebel T3i
      Environmental Sealing
      Operating Temperature32 to 104°F / 0 to 40°C (Recommended)
      Storage Temperature32 to 104°F (0 to 40°C)
      Humidity: 0 - 85%
      Operating Humidity0 to 85%
      Physical Canon EOS R100 Canon EOS Rebel T3i
      Dimensions116 x 86 x 69 mm (4.57 x 3.39 x 2.72")133 x 100 x 80 mm (5.24 x 3.94 x 3.15")
      Weight (inc. batteries)356 g (0.78 lb / 12.56 oz)570 g (1.26 lb / 20.11 oz)
      Box Dimensions (LxWxH)8.1 x 7.9 x 6.2"8.7 x 6.7 x 5.5"
      Package Weight1.62 lb3.5 lb
      Power and Storage Canon EOS R100 Canon EOS Rebel T3i
      Battery PackLP-E17LP-E8
      Battery Life370 shots440 shots
      USB Charging
      Internal Storage
      External StorageSingle Slot: SD/SDHC/SDXC (UHS-I)Single Slot: SD/SDHC/SDXC
      Other Canon EOS R100 Canon EOS Rebel T3i
      Self Timer 2 sec or 10 sec
      Orientation Sensor
      Tripod Mounting Thread1 x 1/4"-20 Female (Bottom)
      Accessory MountConventional accessory shoe
      Material of ConstructionStainless Steel and polycarbonate resin with conductive fiber


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