Astrophotoguru · Compare

cameracomparison · 2-way

Sony A7 III vs Canon EOS R6 Mark II

Sony A7 III
Sony

A7 III

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.

Specifications

SpecificationSony A7 IIICanon EOS R6 Mark II
Sensor
TypedslrMirrorless
SensorSony FF BSI
Sensor techCMOSCMOS
FormatFull frameFull Frame
Sensor size35.6×23.8mm35.9×23.9mm
Diagonal42.8mm43.1mm
Pixel size5.91µm5.94µm
Resolution6000×40006000×4000
Megapixels24.2MP24.2MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Sony A7 III

Closely matched on the compared specs.

Advantages of Canon EOS R6 Mark II

Closely matched on the compared specs.

Best for — Sony A7 III
  • 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
Sony A7 III — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.16° × 5.45°Scale: 4.88"/px
  • On 800mm SCT reducer
    FOV: 2.55° × 1.70°Scale: 1.52"/px
  • On 2000mm SCT native
    FOV: 1.02° × 0.68°Scale: 0.61"/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
Sony A7 III — 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