Astrophotoguru · Compare

cameracomparison · 2-way

Sony A7 IV vs Canon EOS Ra

Sony A7 IV
Sony

A7 IV

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

Canon EOS Ra
Canon

EOS Ra

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

Key differences

9% more resolution

Specifications

SpecificationSony A7 IVCanon EOS Ra
Sensor
TypeMirrorlessMirrorless
Sensor
Sensor techCMOSCMOS
FormatFull FrameFull Frame
Sensor size35.9×23.9mm36.0×24.0mm
Diagonal43.1mm43.3mm
Pixel size5.13µm5.36µm
Resolution7008×46726720×4480
Megapixels33.0MP30.3MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Sony A7 IV

Closely matched on the compared specs.

Advantages of Canon EOS Ra

Closely matched on the compared specs.

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 Ra
  • 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 Ra — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.25° × 5.50°Scale: 4.42"/px
  • On 800mm SCT reducer
    FOV: 2.58° × 1.72°Scale: 1.38"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.55"/px
Sony A7 IV — recommended user

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

Canon EOS Ra — recommended user

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

Recommended alternatives