Astrophotoguru · Compare

cameracomparison · 2-way

Nikon D810A vs Nikon Z7 II

Nikon D810A
Nikon

D810A

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

Nikon Z7 II
Nikon

Z7 II

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

Key differences

Larger pixels (4.88µm vs 4.35µm)
-21% more resolution

Specifications

SpecificationNikon D810ANikon Z7 II
Sensor
Typedslrdslr
SensorNikon FX astroNikon FX BSI
Sensor techCMOSCMOS
FormatFull frameFull frame
Sensor size35.9×24.0mm35.9×23.9mm
Diagonal43.2mm43.1mm
Pixel size4.88µm4.35µm
Resolution7360×49128256×5504
Megapixels36.3MP45.7MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Nikon D810A
  • Larger pixels — better low-light per-pixel sensitivity
Advantages of Nikon Z7 II
  • Finer sampling at 4.35µm pixels
  • Higher resolution (45.7MP vs 36.3MP)
Best for — Nikon D810A
  • 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 Z7 II
  • Wide-field mosaics and full-frame telescopes
  • Fast, low-noise deep-sky at short focal lengths
  • One-shot color — quick results, less processing
Nikon D810A — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 8.23° × 5.50°Scale: 4.03"/px
  • On 800mm SCT reducer
    FOV: 2.57° × 1.72°Scale: 1.26"/px
  • On 2000mm SCT native
    FOV: 1.03° × 0.69°Scale: 0.50"/px
Nikon Z7 II — 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
Nikon D810A — recommended user

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

Nikon Z7 II — recommended user

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

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