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cameracomparison · 2-way

Nikon D810A vs Pentax K-1 Mark II

Nikon D810A
Nikon

D810A

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

Pentax K-1 Mark II
Pentax

K-1 Mark II

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

Specifications

SpecificationNikon D810APentax K-1 Mark II
Sensor
Typedslrdslr
SensorNikon FX astroPentax FF
Sensor techCMOSCMOS
FormatFull frameFull frame
Sensor size35.9×24.0mm35.9×24.0mm
Diagonal43.2mm43.2mm
Pixel size4.88µm4.88µm
Resolution7360×49127360×4912
Megapixels36.3MP36.4MP
ColorYesYes
Cooling
CooledNoNo
Performance
Full well
Peak QE
Advantages of Nikon D810A

Closely matched on the compared specs.

Advantages of Pentax K-1 Mark II

Closely matched on the compared specs.

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 — Pentax K-1 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
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
Pentax K-1 Mark II — 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 D810A — recommended user

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

Pentax K-1 Mark II — recommended user

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

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