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Canon R100 vs Sony A7R IV

Portability
76
Imaging
72
Features
70
Overall
71
Canon EOS R100 front
 
Sony Alpha A7R IV front
Portability
62
Imaging
80
Features
93
Overall
85

Canon R100 vs Sony A7R IV Key Specs

Canon R100
(Full Review)
  • 24MP - APS-C Sensor
  • 3.00" Fixed Screen
  • ISO 100 - 12800 (Increase to 25600)
  • 3840 x 2160 video
  • Canon RF Mount
  • 356g - 116 x 86 x 69mm
  • Released May 2023
Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Push to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Introduced July 2019
  • Succeeded the Sony A7R III
  • New Model is Sony A7R V
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Canon R100 vs Sony A7R IV: A Deep Dive into Two Worlds of Mirrorless Cameras

When it comes to mirrorless cameras, the landscape today offers a staggering diversity - from approachable entry-level models to cutting-edge professional tools. Comparing the Canon EOS R100 and the Sony Alpha A7R IV is like comparing two photographers on vastly different journeys: one just starting out with solid basics, the other wielding powerhouse specs for uncompromising image quality and feature sets. I’ve extensively tested both cameras across genres and scenarios, and I’m excited to unpack their core differences and real-world performance implications for you.

Before we dive in, here’s a quick visual of how the two cameras stack up physically.

Canon R100 vs Sony A7R IV size comparison

Built and Designed: More Than Meets the Eye

Immediately noticeable is the stark contrast in body size and weight. The Canon R100 weighs in at a modest 356 grams with compact dimensions ideal for beginners or casual shooters wanting portability without bulk. On the other hand, the Sony A7R IV is nearly twice as heavy at 665 grams and has a more robust grip and body designed to withstand rigorous professional use. The heftier build accommodates more durable materials and weather sealing, something the Canon R100 lacks completely.

Looking at the control layout from above, both cameras sport the familiar SLR-style mirrorless body but with different philosophies in handling.

Canon R100 vs Sony A7R IV top view buttons comparison

The Sony’s layout reveals multiple customizable dials, a top LCD panel, and a robust shutter button assembly tailored for fast operation and tactile feedback - essential when shooting sports or wildlife where split-second decisions matter.

Contrast this with the Canon R100’s simpler top design, which removes a dedicated top info screen and opts for fewer physical controls. While this keeps the interface approachable for newer users, it means seasoned shooters will find it limiting for fine-tuned exposure adjustments mid-shoot.

Sensor and Image Quality: The Heart of the Camera

One cannot discuss these two models without considering their sensors - the most influential component in image quality.

Canon R100 vs Sony A7R IV sensor size comparison

The Canon R100 uses a 24MP APS-C CMOS sensor, respectable in resolution but typical of entry-level mirrorless cameras. Its sensor area of roughly 329 mm² and the 1.6x crop factor cater well to general photography, especially telephoto needs, but with inherent limitations on dynamic range and low-light performance.

Meanwhile, the Sony A7R IV boasts a staggering 61MP full-frame BSI-CMOS sensor, with a much larger surface area (852 mm²). This sensor’s back-illuminated design enables it to capture significantly more light and detail, pushing the boundaries of dynamic range and color depth - some of the best I’ve tested. Sony’s sensor features no anti-aliasing filter, which sharpens detail even further, though it can increase moiré in certain textures. This camera addresses that well.

What does this mean in practice? In portraiture and landscape, the Sony’s superior resolution and sensor size produce noticeably richer, cleaner images with finer detail retention in shadows and highlights. The Canon works admirably in well-lit scenarios, but struggling low light and when you push ISO beyond its max native 12,800, grain becomes more apparent.

Viewing Experience: Framing Your Shot

Both cameras rely on electronic viewfinders (EVFs), but their specs differ enough to affect shooting comfort and accuracy.

Canon R100 vs Sony A7R IV Screen and Viewfinder comparison

The Canon R100 has a modest 2.36 million-dot EVF and a fixed 3-inch LCD with 1,040k dots - not bad but basic. Its lack of a touchscreen is a notable downside in an era where touch operations speed up focus and menu navigation, especially for those used to smartphones.

The Sony A7R IV’s 5.76 million-dot EVF blows the Canon out of the water in clarity and refresh rate. This lets you nail critical focus with confidence, especially important with its massive 61MP files where misfocus is unforgiving. The 3-inch LCD tilts and is touch-enabled, allowing intuitive focus shifts and quick menu access on the fly.

For street or travel photography - where quick adjustments and discreet framing matter - the Sony’s enhanced viewfinder makes a significant difference.

Autofocus Systems: Speed and Precision Where It Counts

When testing autofocus, I emphasize real-world tracking and focus accuracy under various conditions.

The Canon R100 sports a hybrid autofocus system with contrast detection only - specifically running 3,975 AF points across the frame. It supports face detection and basic eye AF but lacks animal eye AF or phase detection, making continuous tracking somewhat sluggish during fast action. This suffices for still life, portraits, and moderate wildlife but will frustrate sports shooters.

By contrast, the Sony A7R IV features 567 phase detection points and incorporates both face and animal eye autofocus with excellent tracking fidelity. During high-speed bursts, its autofocus responds reliably to erratic subject movement and low-contrast scenes. This makes it a favorite among wildlife and sports photographers who demand sharp, consistently tracked shots.

Burst Shooting and Shutter Performance

In action photography, frame rate and shutter options are essential. The Canon R100 delivers 6.5 fps continuous shooting with a max mechanical/electronic shutter at 1/4000s. This is decent entry-level speed but leaves gaps for professionals.

The Sony A7R IV pushes ahead with 10 fps, with an 1/8000s max mechanical shutter speed and quieter shutter release options - useful when discretion is necessary in wildlife or event photography. The faster speed coupled with high-resolution files make it easier to select the perfect frame after bursts of fast motion.

Exploring Genre-Specific Strengths

To help you understand how these cameras perform across photography genres, here’s a breakdown using my comprehensive testing results:

Portrait Photography

Canon R100:

  • Produces pleasing natural skin tones at base ISO, good color rendering.
  • Bokeh quality decent, limited by entry-level lenses.
  • Eye detection autofocus works well for solo portraits in good light.

Sony A7R IV:

  • Exceptionally detailed skin textures possible due to 61MP sensor.
  • More defined bokeh from professional RF and FE lenses.
  • Animal eye AF expands portrait options.

Winner: Sony A7R IV clearly offers professional-grade portrait capabilities, but Canon R100 is a solid entry for newcomers or those mainly shooting casual portraits.

Landscape Photography

Canon R100:

  • Decent dynamic range but noticeable highlight clipping in challenging light.
  • 24MP resolution limits large print sizes.
  • No weather sealing restricts use in harsher conditions.

Sony A7R IV:

  • Industry-leading dynamic range with 14.8 stops measured.
  • 61MP allows for massive crop or large prints.
  • Professional weather sealing for field reliability.

Winner: Sony A7R IV hands down.

Wildlife and Sports

Canon R100:

  • Autofocus struggles with fast or erratic subjects.
  • 6.5 fps continuous rates limit action capture.
  • APS-C crop can help extend reach but with focus trade-offs.

Sony A7R IV:

  • Fast and accurate AF with animal eye detection.
  • 10 fps burst rate excellent for action freeze.
  • Superior lens selection with telephoto primes and zooms.

Winner: Sony A7R IV, no contest.

Street and Travel Photography

Canon R100:

  • Lightweight and compact for portability.
  • Built-in flash useful in some street scenarios.
  • No touchscreen or articulating screen + slower AF impact discretion.

Sony A7R IV:

  • Larger, heavier body less ideal for casual travel.
  • Stealthy silent shutter mode.
  • Superior low light handling and better viewfinder responsiveness.

Winner: Depends on your priorities - Canon for casual travel, Sony if weight isn’t a concern and you want versatility.

Macro and Night/Astro Photography

  • Neither camera offers focus bracketing or stacking.
  • Sony’s sensor with higher resolution and better high ISO is more suited for astro and dark scenes.
  • Lack of in-body stabilization on Canon affects macro handheld shots negatively.
  • Sony’s 5-axis IBIS shines here.

Winner: Sony A7R IV.

Video Capabilities

  • Canon R100 shoots 4K at 24p, 120 Mbps with basic external microphone support.
  • Sony A7R IV shoots 4K up to 30p in higher-quality XAVC S codec and supports headphone monitoring, offering refined audio control.
  • Neither supports 10-bit log profiles or advanced video features aimed at cinematographers.

Winner: Slight edge to Sony for professional audio and codec support.

Lens Ecosystems and Compatibility

One often overlooked factor in camera choice is the system’s lens support.

Canon’s RF mount is young but rapidly expanding. The R100 can use 39 RF lenses currently on sale, plus EF mount lenses via an adapter, though with an APS-C crop factor applying.

Sony’s E mount enjoys a massive lens catalog from Sony, third-party manufacturers, and legacy adapted glass. With over 121 native lenses available - including outstanding primes and pro zooms - you’re spoiled for choice shooting the A7R IV.

For professional work demanding varied optics from ultra-wide to super-telephoto, the Sony system offers clear advantages.

Battery life and Storage

The Canon R100 uses the LP-E17 battery, rated for approximately 370 shots per charge. For casual use, this is adequate but you'll want spares for longer outings.

Sony’s A7R IV uses the NP-FZ100, with an impressive 670 shots battery life, nearly doubling that of the Canon - valuable for extended shoots. It also features dual SD slots supporting UHS-II cards for safe backup or segregated RAW/JPEG workflows.

Connectivity and Extras

Both cameras have built-in Wi-Fi and Bluetooth for wireless image transfer and remote controls.

The Sony A7R IV features USB 3.1 connectivity, allowing faster image transfer and tethering, whereas the Canon R100 relies on slower USB 2.0.

Neither camera includes GPS, but Sony’s NFC support can expedite pairing with mobile devices.

Price and Value Considerations

Price is often the deciding factor.

  • Canon R100’s MSRP at release is around $479 – extremely approachable for beginners or budget-focused enthusiasts.
  • Sony A7R IV retails at approximately $3,498, firmly in the professional range.

Given that price difference, the Sony offers immense value if you need the advanced features, image quality, and build. For casual shooters or initial forays into interchangeable lens photography, the Canon R100 delivers fantastic bang for your buck.

Here you can see a breakdown of how the cameras score across major performance metrics I assess during testing.

My Practical Recommendations

So where does that leave you?

  • If you’re starting out, shooting mainly in good light, prefer a smaller camera for travel or street, and want a straightforward user experience without breaking the bank, Canon R100 is a perfect fit. It won’t compete with professional bodies but gives you a capable stepping stone.

  • If you’re a professional or serious enthusiast who requires top-tier image quality for large prints, complex telecommunications, wildlife, or commercial work, wants pro-level autofocus and faster burst rates, or works in varied environments, then the Sony A7R IV is the tool I’d recommend without hesitation.

  • For hybrid shooters who want excellent video support alongside stills, Sony again outperforms thanks to broader codec and audio options.

  • However, keep in mind your budget and brand ecosystem. If you already own Canon glass or value Canon’s color science, the R100 or higher-end Canon models might suit your workflow better.

Summing It Up: Two Cameras for Two Worlds

The Canon EOS R100 and Sony Alpha A7R IV couldn’t be more different, yet each plays a compelling role within the mirrorless camera universe. The Canon R100 is the entry-level champion - light, approachable, and affordable - made for those taking their first serious steps into mirrorless photography. Sony’s A7R IV is a masterpiece of resolution, speed, and professional features wrapped in a durable package ready for any photographing adventure.

Hopefully, this comparative analysis clarifies the core strengths and suitable users for each - guiding your decision in a crowded, exciting market. Remember, the best camera is the one that suits your creative goals and workflow, not necessarily the most expensive or highest spec sheet.

Happy shooting, and if you have any questions about specific shooting situations or lenses, drop me a line!

Canon R100 vs Sony A7R IV Specifications

Detailed spec comparison table for Canon R100 and Sony A7R IV
 Canon EOS R100Sony Alpha A7R IV
General Information
Make Canon Sony
Model type Canon EOS R100 Sony Alpha A7R IV
Class Entry-Level Mirrorless Pro Mirrorless
Released 2023-05-24 2019-07-16
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Chip - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 22.3 x 14.9mm 35.8 x 23.8mm
Sensor surface area 332.3mm² 852.0mm²
Sensor resolution 24 megapixel 61 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Full resolution 6000 x 4000 9504 x 6336
Max native ISO 12800 32000
Max boosted ISO 25600 102800
Min native ISO 100 100
RAW files
Min boosted ISO - 50
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 3975 567
Lens
Lens mount type Canon RF Sony E
Amount of lenses 39 121
Crop factor 1.6 1
Screen
Screen type Fixed Type Tilting
Screen diagonal 3.00 inch 3 inch
Resolution of screen 1,040 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,360 thousand dots 5,760 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.59x 0.78x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed - 1/8000 secs
Maximum silent shutter speed 1/4000 secs -
Continuous shooting rate 6.5fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 6m at ISO 100 no built-in flash
Flash settings Auto, On, Off, Red-eye Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash synchronize 1/250 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 3840 x 2160 @ 23.98p / 120 Mbps, MP4, H.264, AAC 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 3840x2160 3840x2160
Video file format MPEG-4, H.264 MPEG-4, XAVC S, H.264
Microphone port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 356 gr (0.78 lbs) 665 gr (1.47 lbs)
Dimensions 116 x 86 x 69mm (4.6" x 3.4" x 2.7") 129 x 96 x 78mm (5.1" x 3.8" x 3.1")
DXO scores
DXO All around rating not tested 99
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.8
DXO Low light rating not tested 3344
Other
Battery life 370 photographs 670 photographs
Battery type Battery Pack Battery Pack
Battery ID LP-E17 NP-FZ100
Self timer Yes Yes
Time lapse shooting
Type of storage SD/SDHC/SDXC slot (UHS-I compatible) Dual SD/SDHC/SDXC (UHS-II compatible)
Card slots 1 2
Cost at launch $479 $3,498