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Canon EOS C300 Mark III
Image: Dodd Camera

Canon EOS C300 Mark III

Cinema camera · Canon EF / EF-S · Announced April 2020

Official site on usa.canon.com (opens the maker's site in a new tab)

Typically $6,349 new, from today's stores and the last 90 days

Best priceNew · body only · in stock

$6,349

at Precision Camera

Used from
$3,349 at eBay.com47% under new
Launch RRP (body)
$10,999Best new is 42% under
Compare with EOS C500 Mark II
  • Super 35 sensor: 8.8 MP, DGO CMOS
  • In-body stabilisation: None
  • Top video mode: 4K 120p, 10-bit internal · internal raw
  • Subject-detection AF: Human
  • Viewfinder: None

EOS C300 Mark III overview

The Canon EOS C300 Mark III is an 8.85 MP Super 35 cinema camera for Canon EF / EF-S, announced by Canon in April 2020.

Going by its spec sheet, it suits vlogging and selfies as well as video. It is a weaker pick for slow handheld shots with unstabilised lenses and eye-level shooting in bright sun.

New, it sells for $6,349 in the United States (Precision Camera); used and refurbished copies start at $3,349. It launched at $10,999 (body only).

Worth comparing it with the Canon EOS C500 Mark II, Canon EOS C400 and Sony FX6.

Where to buy the EOS C300 Mark III in United States

  • eBay.comAd

    In stockCheapest live listing today: Used · adorama-trade

    $3,349
    View at eBay.com

    Paid link

  • Amazon.comAd

    Also check on Amazon: new, sold by Amazon and its sellers, the price shows there

    Check Amazon at Amazon.com

    Paid link

  • Precision CameraBest price

    New· Body onlyIn stock

    Authorized dealer · Canon EF version

    $6,349

    View at Precision Camera

  • Dodd Camera

    New· Body onlyIn stock

    Authorized dealer · Canon EF version

    $6,349

    View at Dodd Camera

More used Canon EOS C300 Mark III on eBayPaid linkSingle sellers, auctions included: check the listing's condition and returns.

Sorted by price, body only first, cheapest in stock first. Kits are listed apart and never counted as the body price. Some links earn us a commission. The Amazon and eBay rows above are ads; the store rows keep their price order.

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Reviews

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Expert reviews

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Member stories · EOS C300 Mark III

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Members' own words, not CamCompare's. All member stories

Things to know

  • 8.8 MP Super 35 DGO CMOS sensor; no in-body stabilisation, so steadiness comes from stabilised lenses.
  • Autofocus recognises people.
  • Video 4K up to 120p, 10-bit internal, internal raw; mic and headphone jacks.
  • 4.3-inch multi-angle touchscreen; no viewfinder.
  • 153 × 148 × 168 mm.
  • 3 card slots (CFexpress B + CFexpress B + SD).
  • Used from $3,349 today in United States, at the stores we track.

Good for

  • Vlogging and selfies (multi-angle screen and a mic input)
  • Video (4K 120p, 10-bit internal)

Not the best for

  • Slow handheld shots with unstabilised lenses (no in-body stabilisation)
  • Eye-level shooting in bright sun (no viewfinder)

From the EOS C300 Mark III's published specs, not from a review.

Price history

Price around the world

Prices are in each market's own currency. Under each: ≈ in USD at today's exchange rate. Body only; where a market lists only kits, its cheapest kit is shown and marked.

Lowest new and used price of the EOS C300 Mark III in each market, with an approximate conversion into USD
MarketLowest newLowest used/refurb
United States(you)$6,349$3,349
United Kingdom——
Europe——
Australia——
Singapore——

Each price is in its own currency, as the store charges it. The ≈ figures are approximate, at today's exchange rate (ECB reference rates, 2026-11-06), rounded, and leave out shipping, import duty, GST/VAT and card fees. A camera bought abroad may not carry a local warranty: see grey-market cameras before you buy.

Used: what it should be worth

We've seen used EOS C300 Mark III prices on 6 days so far. A "should be worth" value appears after a week of used prices.

EOS C300 Mark III: typical used and lowest new price by dayFrom 17 Oct to 6 Nov, prices between $3,349.01 and $6,349. Latest typical used $3,349.01. Latest lowest new $6,349.17 Oct6 Nov$6,349$3,349.01
Typical used Lowest new
MonthCheapestTypicalHighestDays seen
Nov 2026$3,349$3,413$3,5986

From used and refurbished asking prices at the stores we track, checked every few hours. Confirmed eBay sale prices will be added once eBay grants us access to its sold-listings data.

Videos

Reviews, comparisons and sample footage of the EOS C300 Mark III, on YouTube.

Discussions & forums

What owners say about the EOS C300 Mark III elsewhere, and here.

On CamCompare

Ask on the Gear advice board →

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Comments are members' own opinions, not CamCompare's. Votes never change the order of prices.

More options

EOS C300 Mark III specifications

Overview

Type
Cinema camera
Announced
Apr 2020
US launch price
$10,999
Lens
Interchangeable

Sensor & image

Sensor size
Super 35
Sensor type
DGO CMOS
Resolution
8.8 MP
Native ISO
160–25,600
In-body stabilisation
No

Speed & autofocus

Burst (mechanical)
—
Burst (electronic)
—
Fastest shutter (mech.)
—
Fastest shutter (elec.)
—
AF points
—
Subject detection
Human

Video

Max resolution
4K
4K frame rate
120p
10-bit internal
Yes
Internal raw video
Yes
Mic input
Yes
Headphone jack
Yes

Viewfinder & screen

Viewfinder
None
Rear screen
4.3", 2.76M dots
Screen articulation
Multi-angle (tilt + flip)
Touchscreen
Yes

Body & battery

Weight (with battery)
—
Dimensions (W×H×D)
153 × 148 × 168 mm
Weather sealed
—
Battery (CIPA shots)
—
Card slots
3 · CFexpress B + CFexpress B + SD
USB-C
No
Built-in flash
No
Wi-Fi / Bluetooth
None

Low light & noise

6.4 µm pixels

8.85 MP on a super 35 sensor, ISO up to 25,600

Bigger pixels gather more light each, so they tend to show less noise at high ISO, but sensor design matters as much. For real noise at ISO 6400, these sites measure it:

How it stacks up

Suggested kit

The body and lenses that fit it natively, picked by focal range and price from our catalog. Lowest new price today in United States.

Canon EOS C300 Mark IIIThe body.$6,349
Tamron SP 35mm F/1.4 Di USDA bright f/1.4 prime for low light and soft backgrounds, at 53mm equivalent.$699
Sigma 70-200mm F2.8 DG OS HSM | SportsReaches 105–300mm equivalent for sport, wildlife and faraway detail.$1,499
Total$8,547

Lenses for the EOS C300 Mark III

All 46 Canon EF / EF-S lenses →

Standard

Wide

Ultra-wide

Telephoto

Super-telephoto

Macro

Accessories for the EOS C300 Mark III

All accessories →
  • Godox TR-C TTL Hot Shoe Riser for Canon

    Speedlights & flashes

    Godox TR-C TTL Hot Shoe Riser for Canon

    Cheapest flash for this system at Glazer's Camera · New · 45 options

    $13.90

    View at Glazer's Camera
  • Godox X5C Canon TTL Wireless Flash Trigger for iT32 Flash

    Wireless triggers

    Godox X5C Canon TTL Wireless Flash Trigger for iT32 Flash

    Cheapest trigger for this system at Glazer's Camera · New · 22 options

    $19.90

    View at Glazer's Camera

More accessories for the EOS C300 Mark III on eBayPaid link