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Compared to...

Studio scene comparison (JPEG)

This is our standard studio scene comparison shot taken from exactly the same tripod position. Lighting: daylight simulation, >98% CRI. Crops are 100%. Ambient temperature was approximately 22°C (~72°F).

Pentax K20D vs. Sony DSLR-A700

Here we pit the Pentax against its most obvious competitor in terms of both price and specification: the Sony Alpha A700. We have set the A700 to ISO 200 because that is the native sensitivity of its sensor.

Camera settings:

  • Pentax K20D: Pentax 50 mm F1.4 lens, Aperture Priority, ISO 100
    JPEG Large/Fine, Manual WB, Default Parameters (Bright CI), Self-Timer (auto MLU)
     
  • Sony DSLR-A700: Minolta 50 mm F1.4 lens, Aperture Priority, ISO 200
    JPEG Large/Fine, Manual WB, Default Parameters (Standard), Self-Timer
Pentax K20D
Sony DSLR-A700
9.4 MB (4672 x 3104)
3.5 MB JPEG (4272 x 2848)

This is the most that the Pentax stands out amongst what is, to be fair, consistently strong competition. The Pentax's output is slightly sharper, despite the Alpha also exhibiting slight sharpening artefacts. The Alpha also takes a slightly more restrained approach to color, which counts in its favor. The Pentax is showing more detail in both the pastoral scene and the 'medals' on the Martini bottle. Again, much of this appears to be down to the choices made by the respective manufacturers about how their default JPEG output should appear.

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