Astrophotoguru · Compare

cameracomparison · 2-way

Sony A7 IV vs Canon EOS 6D Mark II

Sony A7 IV
Sony

A7 IV

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

Canon EOS 6D Mark II
Canon

EOS 6D Mark II

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

Key differences

Finer pixels (5.13µm vs 5.75µm)
26% more resolution

Specifications

SpecificationSony A7 IVCanon EOS 6D Mark II
Sensor
TypeMirrorlessdslr
SensorCanon FF
Sensor techCMOSCMOS
FormatFull FrameFull frame
Sensor size35.9×23.9mm35.9×24.0mm
Diagonal43.1mm43.2mm
Pixel size5.13µm5.75µm
Resolution7008×46726240×4160
Megapixels33.0MP26.2MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Sony A7 IV
  • Finer sampling at 5.13µm pixels
  • Higher resolution (33MP vs 26.2MP)
Advantages of Canon EOS 6D Mark II
  • Larger pixels — better low-light per-pixel sensitivity
Best for — Sony A7 IV
  • 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 6D 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 IV — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.48°Scale: 4.23"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.71°Scale: 1.32"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.68°Scale: 0.53"/px
Canon EOS 6D Mark II — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.50°Scale: 4.74"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.72°Scale: 1.48"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.59"/px
Sony A7 IV — recommended user

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

Canon EOS 6D Mark II — recommended user

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

Recommended alternatives