cameracomparison · 2-way
Canon EOS R5 vs Pentax K-1 Mark II
Pentax
K-1 Mark II
A strong fit for photographers stepping into astro pairing with wide-field refractors.
Key differences
Finer pixels (4.4µm vs 4.88µm)
24% more resolution
Specifications
| Specification | Canon EOS R5 | Pentax K-1 Mark II |
|---|---|---|
| Sensor | ||
| Type | Mirrorless | dslr |
| Sensor | — | Pentax FF |
| Sensor tech | CMOS | CMOS |
| Format | Full Frame | Full frame |
| Sensor size | 36.0×24.0mm | 35.9×24.0mm |
| Diagonal | 43.3mm | 43.2mm |
| Pixel size | 4.40µm | 4.88µm |
| Resolution | 8192×5464 | 7360×4912 |
| Megapixels | 45.0MP | 36.4MP |
| Color | Yes | Yes |
| Cooling | ||
| Cooled | No | No |
| Performance | ||
| Full well | — | — |
| Peak QE | — | — |
Advantages of Canon EOS R5
- Higher resolution (45MP vs 36.4MP)
Advantages of Pentax K-1 Mark II
- Larger pixels — better low-light per-pixel sensitivity
Best for — Canon EOS R5
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Best for — Pentax K-1 Mark II
- Wide-field mosaics and full-frame telescopes
- Fast, low-noise deep-sky at short focal lengths
- One-shot color — quick results, less processing
Canon EOS R5 — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.25° × 5.50°Scale: 3.63"/px
- On 800mm SCT reducerFOV: 2.58° × 1.72°Scale: 1.13"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.45"/px
Pentax K-1 Mark II — typical FOV & scale
- On 250mm refractor (wide)FOV: 8.23° × 5.50°Scale: 4.03"/px
- On 800mm SCT reducerFOV: 2.57° × 1.72°Scale: 1.26"/px
- On 2000mm SCT nativeFOV: 1.03° × 0.69°Scale: 0.50"/px
Canon EOS R5 — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.
Pentax K-1 Mark II — recommended user
A strong fit for photographers stepping into astro pairing with wide-field refractors.