Astrophotoguru · Compare

cameracomparison · 2-way

Nikon D810A vs Nikon Z50II

Nikon D810A
Nikon

D810A

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

Nikon Z50II
Nikon

Z50II

A strong fit for photographers stepping into astro pairing with a broad range of focal lengths.

Key differences

53% larger sensor
Larger pixels (4.88µm vs 4.15µm)
75% more resolution

Specifications

SpecificationNikon D810ANikon Z50II
Sensor
Typedslrdslr
SensorNikon FX astroNikon DX
Sensor techCMOSCMOS
FormatFull frameAPS-C
Sensor size35.9×24.0mm23.5×15.7mm
Diagonal43.2mm28.3mm
Pixel size4.88µm4.15µm
Resolution7360×49125568×3712
Megapixels36.3MP20.7MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Nikon D810A
  • Larger sensor (43.2mm vs 28.3mm diagonal) — wider field
  • Larger pixels — better low-light per-pixel sensitivity
  • Higher resolution (36.3MP vs 20.7MP)
Advantages of Nikon Z50II
  • Finer sampling at 4.15µm pixels
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 Z50II
  • Balanced field for most refractors
  • 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 Z50II — typical FOV & scale
  • On 250mm refractor (wide)
    FOV: 5.39° × 3.60°Scale: 3.42"/px
  • On 800mm SCT reducer
    FOV: 1.68° × 1.12°Scale: 1.07"/px
  • On 2000mm SCT native
    FOV: 0.67° × 0.45°Scale: 0.43"/px
Nikon D810A — recommended user

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

Nikon Z50II — recommended user

A strong fit for photographers stepping into astro pairing with a broad range of focal lengths.

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