Decision tools · Compare
EOS C300 Mark III vs GFX ETERNA 55
Quick take: The EOS C300 Mark III is the most affordable.
23 specs side by side·0 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more
Full specificationsthe better value in each row is highlighted
| Specification | EOS C300 Mark IIICanon · 2020 | GFX ETERNA 55Fujifilm · 2025 |
|---|---|---|
| Price | £5,829Best | £13,999 |
| Weather Sealed | Not weather sealed | Not weather sealed |
| Mount | Canon EF | Fujifilm G |
| Sensor | Super 35 (APS-C) | Medium format |
| Top video | 4K | 8K |
| 4K frame rate | 120 fpsBest | 60 fps |
| Slow motion | 180 fps (HD)Best | 120 fps (HD) |
| RAW internal | Cinema RAW Light | Not internal |
| Codecs | Cinema RAW Light, XF-AVC | Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT, H.265/HEVC (All-Intra / Long GOP), Proxy: H.264 / ProRes Proxy |
| Log | Canon Log 2, Canon Log 3 | F-Log2, F-Log2 C, F-Log |
| Built-in ND | Stepped (built-in filter wheel), up to 10 stops | Electronic variable, up to 7 stops |
| XLR inputs | 2 | None (3.5 mm only)Best |
| SDI out | 12G-SDI | 12G-SDI |
| HDMI | Full-size | Full-size |
| Timecode | Yes | Yes |
| Dual native ISO | — | Yes |
| Autofocus | On-sensor phase detect (hybrid) | On-sensor phase detect (hybrid) |
| Stabilisation | Electronic (EIS) | — |
| Battery | Canon BP-A60 · Canon BP-A | Fujifilm NP-W235 · V-mount |
| Media | CFexpress Type B + CFexpress Type B + SD | CFexpress Type B + SD + SSD / media module (USB-C) |
| Record limit | No limit (cinema camera) | No limit (cinema camera), with a cooling fan |
| Lens mount | Canon EF (swappable mount plate) | Fujifilm G |
| Body weight | 1750 gBest | 2000 g |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Next
More comparisons with EOS C300 Mark III
Camera family history