Astrophotoguru · Compare

cameracomparison · 2-way

Canon EOS R5 vs Canon EOS R6 Mark II

Canon EOS R5
Canon

EOS R5

A strong fit for photographers stepping into astro pairing with wide-field refractors.

Canon EOS R6 Mark II
Canon

EOS R6 Mark II

A strong fit for photographers stepping into astro pairing with wide-field refractors.

Key differences

Finer pixels (4.4µm vs 5.94µm)
86% more resolution

Specifications

SpecificationCanon EOS R5Canon EOS R6 Mark II
Sensor
TypeMirrorlessMirrorless
Sensor
Sensor techCMOSCMOS
FormatFull FrameFull Frame
Sensor size36.0×24.0mm35.9×23.9mm
Diagonal43.3mm43.1mm
Pixel size4.40µm5.94µm
Resolution8192×54646000×4000
Megapixels45.0MP24.2MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Canon EOS R5
  • Finer sampling at 4.4µm pixels
  • Higher resolution (45MP vs 24.2MP)
Advantages of Canon EOS R6 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 — Canon EOS R6 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 reducer
    FOV: 2.58° × 1.72°Scale: 1.13"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.45"/px
Canon EOS R6 Mark II — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.48°Scale: 4.90"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.71°Scale: 1.53"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.68°Scale: 0.61"/px
Canon EOS R5 — recommended user

A strong fit for photographers stepping into astro pairing with wide-field refractors.

Canon EOS R6 Mark II — recommended user

A strong fit for photographers stepping into astro pairing with wide-field refractors.

Recommended alternatives