Astrophotoguru · Compare

cameracomparison · 2-way

Sony A1 vs Nikon D850

Sony A1
Sony

A1

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

Nikon D850
Nikon

D850

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

Key differences

10% more resolution

Specifications

SpecificationSony A1Nikon D850
Sensor
Typedslrdslr
SensorSony FF stacked BSINikon FX BSI
Sensor techCMOSCMOS
FormatFull frameFull frame
Sensor size35.9×24.0mm35.9×23.9mm
Diagonal43.2mm43.1mm
Pixel size4.35µm4.35µm
Resolution8640×57608256×5504
Megapixels50.1MP45.7MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Sony A1

Closely matched on the compared specs.

Advantages of Nikon D850

Closely matched on the compared specs.

Best for — Sony A1
  • 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 — Nikon D850
  • Wide-field mosaics and full-frame telescopes
  • Fast, low-noise deep-sky at short focal lengths
  • One-shot color — quick results, less processing
Sony A1 — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.50°Scale: 3.59"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.72°Scale: 1.12"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.45"/px
Nikon D850 — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.48°Scale: 3.59"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.71°Scale: 1.12"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.68°Scale: 0.45"/px
Sony A1 — recommended user

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

Nikon D850 — recommended user

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

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